Tascam Celesonic us-20x20 Le manuel du propriétaire

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OWNER'S MANUAL

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MANUAL DEL USUARIO

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MANUALE DI ISTRUZIONI

取扱説明書

US-20x20

USB Audio MIDI Interface with Mic Pre/Mixer

D01249900B

2

TASCAM US-20x20

http://tascam.jp/

〒206-8530　東京都多摩市落合1-47

TEAC AMERICA, INC.

http://tascam.com/

Phone: +1-323-726-0303

1834 Gage Road, Montebello, California 90640 USA

TEAC MEXICO, S.A. de C.V.

http://teacmexico.net/

Phone: +52-55-5010-6000

Río Churubusco 364, Colonia Del Carmen, Delegación

Coyoacán, CP 04100, México DF, México

TEAC UK Ltd.

http://tascam.eu/

Phone: +44-8451-302511

2 Huxley Road, Surrey Research Park, Guildford, GU2 7RE,

United Kingdom

TEAC EUROPE GmbH

http://tascam.eu/

Phone: +49-611-71580

Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, Germany

TEAC SALES & TRADING(SHENZHEN) CO., LTD

http://tascam.cn/

Phone: +86-755-88311561~2

Room 817, Block A, Hailrun Complex, 6021 Shennan Blvd.,

Futian District, Shenzhen 518040, China

• TASCAM is a trademark of TEAC CORPORATION,

registered in the U.S. and other countries.

• Microsoft, Windows and Windows Vista are either

registered trademarks or trademarks of Microsoft

Corporation in the United States and/or other

countries.

• Apple, Mac, Mac OS X, and Lightning are trademarks of

Apple Inc.

• IOS is a trademark or registered trademark of Cisco in

the U.S. and other countries and is used under license.

• ASIO is a trademark and software of Steinberg Media

Technologies GmbH.

• Blackfin® and the Blackfin logo are registered

trademarks of Analog Devices, Inc.

• Other company names, product names and logos

in this document are the trademarks or registered

trademarks of their respective owners.

TASCAM US-20x20

3

Owner’s Manual

IMPORTANT SAFETY PRECAUTIONS

INFORMATION TO THE USER

This equipment has been tested and found to comply with

the limits for a Class B digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a residential

installation. This equipment generates, uses, and can radiate

radio frequency energy and, if not installed and used in

accordance with the instruction manual, may cause harmful

interference to radio communications. However, there is

no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference

to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to

try to correct the interference by one or more of the following

measures.

a) Reorient or relocate the receiving antenna.

b) Increase the separation between the equipment and

receiver.

c) Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

d) Consult the dealer or an experienced radio/TV technician

for help.

CAUTION

Changes or modifications to this equipment not expressly

approved by TEAC CORPORATION for compliance could void

the user’s authority to operate this equipment.

For U.S.A.

For Canada

THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN

ICES-003.

CET APPAREIL NUMERIQUE DE LA CLASSE B EST CONFORME A

LA NORME NMB-003 DU CANADA.

This product complies with the European Direc-

tives request and the other Commission Regula-

tions.

Declaration of Conformity

Responsible party: TEAC AMERICA, INC.

Address: 1834 Gage Road, Montebello,

California, U.S.A.

Telephone number: 1-323-726-0303

This device complies with Part 15 of the FCC Rules. Operation

is subject to the following two conditions: (1) this device may

not cause harmful interference, and (2) this device must accept

any interference received, including interference that may

cause undesired operation.

IMPORTANT SAFETY INSTRUCTIONS

1 Read these instructions.

2 Keep these instructions.

3 Heed all warnings.

4 Follow all instructions.

5 Do not use this apparatus near water.

6 Clean only with dry cloth.

7 Do not block any ventilation openings. Install in accordance

with the manufacturer’s instructions.

8 Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including amplifiers)

that produce heat.

9 Do not defeat the safety purpose of the polarized or

grounding-type plug. A polarized plug has two blades with

one wider than the other. A grounding type plug has two

blades and a third grounding prong. The wide blade or the

third prong are provided for your safety. If the provided

plug does not fit into your outlet, consult an electrician for

replacement of the obsolete outlet.

10 Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

11 Only use attachments/accessories specified by the

manufacturer.

12 Use only with the cart, stand, tripod,

bracket, or table specified by the

manufacturer, or sold with the apparatus.

When a cart is used, use caution when

moving the cart/apparatus combination to

avoid injury from tip-over.

13 Unplug this apparatus during lightning storms or when

unused for long periods of time.

14 Refer all servicing to qualified service personnel. Servicing is

required when the apparatus has been damaged in any way,

such as power-supply cord or plug is damaged, liquid has

been spilled or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture, does not

operate normally, or has been dropped.

•

The apparatus draws nominal non-operating power from

the AC outlet with its POWER or STANDBY/ON switch not in

the ON position.

•

The mains plug is used as the disconnect device, the

disconnect device shall remain readily operable.

•

Caution should be taken when using earphones or

headphones with the product because excessive sound

pressure (volume) from earphones or headphones can

cause hearing loss.

•

If you are experiencing problems with this product, contact

TEAC for a service referral. Do not use the product until it

has been repaired.

CAUTION

•

Do not expose this apparatus to drips or splashes.

•

Do not place any objects filled with liquids, such as vases,

on the apparatus.

•

Do not install this apparatus in a confined space such as a

book case or similar unit.

•

The apparatus should be located close enough to the AC

outlet so that you can easily grasp the power cord plug at

any time.

•

If the product uses batteries (including a battery pack

or installed batteries), they should not be exposed to

sunshine, fire or excessive heat.

•

CAUTION for products that use replaceable lithium

batteries: there is danger of explosion if a battery is

replaced with an incorrect type of battery. Replace only

with the same or equivalent type.

4

TASCAM US-20x20

8

For European Customers

Disposal of electrical and electronic equipment

(a) All electrical and electronic equipment should be

disposed of separately from the municipal waste stream

via designated collection facilities appointed by the

government or the local authorities.

(b) By disposing of the electrical and electronic equipment

correctly, you will help save valuable resources and prevent

any potential negative effects on human health and the

environment.

(c) Improper disposal of waste equipment can have serious

effects on the environment and human health as a result

of the presence of hazardous substances in electrical and

electronic equipment.

(d) The crossed out wheeled dust bin symbol indicates

that electrical and electronic equipment must be

collected and disposed of separately from

household waste.

(e) The return and collection systems are available to the end

users. For more detailed information about disposal of old

electrical and electronic equipment, please contact your

city office, waste disposal service or the shop where you

purchased the equipment.

Contents

IMPORTANT SAFETY PRECAUTIONS ......................................... 3

IMPORTANT SAFETY INSTRUCTIONS ........................................3

Introduction ...................................................................................... 5

Note about the Reference Manual ............................................5

Included items ..................................................................................5

Precautions for placement and use ..........................................5

Using the TEAC Global Site .......................................................... 5

Beware of condensation ...............................................................5

Cleaning the unit .............................................................................5

User registration .............................................................................. 5

Names and functions of parts ....................................................6

Front panel ................................................................................6

Rear panel .................................................................................. 7

Installing the dedicated software .............................................8

Installing the Windows driver .............................................8

Installing the Mac Settings Panel ...................................... 9

Connecting the power ................................................................10

Changing the outlet plug ...................................................10

Connecting with a computer .................................................... 10

Making computer settings .........................................................11

Making settings on the MIXER screen ........................... 11

Making settings on the INTERFACE screen .................. 12

Making settings on the OUTPUT SETTING screen ....12

Examples of connections with other equipment .............. 13

Connecting with iOS devices .................................................... 13

Adjusting the input sound .........................................................13

Overview of operation modes..................................................14

Using the unit as a microphone preamp ...................... 14

Using the unit as an audio interface ..............................14

Using the unit as a digital mixer ......................................14

Changing sampling frequency ........................................14

Input and output channels in mic preamp mode ..... 14

Troubleshooting ............................................................................15

Specifications..................................................................................16

Ratings ......................................................................................16

Analog inputs .........................................................................16

Analog outputs ......................................................................17

Digital audio input/output ratings .................................17

Control input/output ratings ............................................ 17

Audio performance .............................................................. 17

Computer system requirements .....................................17

Supported audio drivers ....................................................18

General......................................................................................18

Dimensional drawings ........................................................18

TASCAM US-20x20

5

Introduction

Thank you very much for purchasing the TASCAM US-20x20 USB

Audio MIDI Interface with Mic Pre/Mixer.

Before connecting and using this unit, please take time to

read this manual thoroughly to ensure you understand how to

properly set it up and connect it, as well as the operation of its

many useful and convenient functions. After you have finished

reading this manual, please keep it in a safe place for future

reference.

Before connecting this unit to a computer, you must

download and install dedicated software on the computer.

This product has a Blackfin® processor made by Analog

Devices, Inc.

Note about the Reference Manual

This Owner’s Manual explains each of the functions of this unit.

Please see the Reference Manual for detailed information about

each of the functions.

You can download the Reference Manual from the TEAC Global

Site (http://teac-global.com/).

Included items

This product includes the following items.

Keep the box and packing materials for transportation in the

future.

Please contact TASCAM Customer Support (see page 2) if any of

these items are missing or have been damaged during transpor-

tation.

0 Main unit ........................................................................................× 1

0 AC adapter (GPE248-120200-Z)

(with output plug A/B for replacement) .............................× 1

0 USB 2.0 cable ................................................................................ × 1

0 USB 3.0 cable ................................................................................ × 1

0 Hex key ...........................................................................................× 1

0 Rack mount angles .....................................................................× 2

0 Rack mount angle attachment screws ................................× 4

0 Owner’s Manual (this document) including warranty ..× 1

CAUTION

•

Always use the included AC adapter (GPE248-120200-Z)

when using this unit. Never use the included AC adapter

with any other device. Doing so could cause damage, fire or

electric shock.

•

Which of the included cables (USB 2.0 or USB 3.0) can be

connected depends on the computer and operating system

being used. (See “Connecting with a computer” on page

10.)

NOTE

The included AC adapter (GPE248-120200-Z) is shipped with

alternate outlet plugs. Please see “Changing the outlet plug”

in “4 – Preparation” in the Reference Manual for instructions

about how to do this.

Precautions for placement and use

0 The operating temperature range of this unit is 5–35 °C.

0 Do not install this unit in the following types of locations.

Doing so could make the sound quality worse or cause

malfunction.

Locations with frequent vibrations

Next to a window or in another location exposed to

direct sunlight

Near heating equipment or in other locations that

become very hot

Extremely cold places

Places with bad ventilation or high humidity

Very dusty locations

0 To enable good heat dissipation, do not place anything on

top of the unit.

0 Do not place the unit on top of a power amplifier or other

device that generates heat.

0 When mounting this unit in a rack, leave at least 1U of space

open above it in the rack.

Using the TEAC Global Site

You can download the Owner’s Manual and the Reference

Manual necessary for this unit from the TEAC Global Site (http://

teac-global.com/).

1. Open the TEAC Global Site (http://teac-global.com/).

2. In the TASCAM Downloads section, click the desired

language to open the Downloads website page for that

language.

NOTE

If the desired language does not appear, click Other

Languages.

3. Click the product name in the “Search by Model Name”

section to open the Downloads page for that product.

4. Select and download the Owner’s Manual that are needed.

Beware of condensation

Condensation could occur if the unit is moved from a cold place

to a warm place, it is used immediately after a cold room has

been heated or it is otherwise exposed to a sudden temperature

change.

To prevent this, or if this occurs, let the unit sit for one or two

hours at the new room temperature before using it.

Cleaning the unit

To clean the unit, wipe it gently with a soft dry cloth. Do not

wipe with chemical cleaning cloths, benzene, thinner, alcohol or

other chemical agents. Doing so could damage the surface or

cause discoloration.

User registration

Customers in the USA, please visit the TASCAM website (http://

tascam.com/) to register as a user online.

6

TASCAM US-20x20

Names and functions of parts

Front panel

1 STANDBY/ON switch and indicator

Press to turn the unit on and to put it into standby. The

STANDBY/ON indicator lights green when the unit is on.

2 MODE button and indicators

Use to change the operation mode. (See “Overview of

operation modes” on page 14.)

MIC PRE

This lights when the unit is operating as a microphone

preamp.

AUDIO I/F

This lights when the unit is operating as an audio

interface.

MIXER

This lights when the unit is operating as a digital mixer.

3 Phantom power switches

Use these switches to provide +48V phantom power to the

IN1–IN4 and IN5–IN8 jacks.

You can change the Phantom power setting for four

channels of inputs at a time. Phantom power is supplied

when the switch is set to +48V.

4 MIC/INST IN1–IN2 jacks (BALANCED / UNBALANCED)

These analog inputs are XLR/TRS combo jacks.

These inputs support high impedance input, including

direct guitar input.

5 MIC/LINE IN3–IN8 jacks (BALANCED)

These analog inputs are XLR/TRS combo jacks.

These jacks support line input from audio equipment and

keyboards, for example.

6 Signal/overload indicators

These light red when signals are about to distort (−1 dBFS)

and the light green when signals are being input (−32 dBFS

or higher).

7 Gain knobs

Use to adjust the output levels of the IN1–IN8 jacks.

8 LINE OUT 1–2 knob

Use to adjust the output level of the LINE OUT 1–2 jacks on

the back of the unit.

9 PHONES 1/2 knobs

Use to adjust the output levels of the PHONES 1/2 jacks.

CAUTION

Before connecting headphones to a jack, minimize its

PHONES knob. Failure to do so might cause sudden loud

noises, which could harm your hearing or result in other

trouble.

0 USB indicator

This lights orange when the USB connection is enabled.

q PHONES 1/2 jacks

Use these standard stereo jacks to connect stereo

headphones. The same signal is output from the LINE OUT

1/2 jacks.

Use an adapter to connect headphones with a mini plug.

TASCAM US-20x20

7

Rear panel

w COAXIAL IN jack

This digital audio input jack complies with the S/PDIF

standard.

e USB port

Use the included USB cable to connect the unit to a

computer or iOS device (supports USB 2.0/3.0).

CAUTION

•

Which of the included cables (USB 2.0 or USB 3.0) can be

connected depends on the computer and operating system

being used. (See “Connecting with a computer” on page

10.)

•

USB 1.1 is not supported.

r OPTICAL (S/MUX) IN/OUT connectors

These input and output multichannel digital audio in optical

format.

44.1, 48, 88.2, 96, 176.4 and 192kHz sampling frequencies

are supported.

SMUX2 is supported for formats up to 88.2/96 kHz, and

SMUX4 is supported for formats up to 176.4/192 kHz.

t MIDI OUT jack

This 5-pin DIN is a standard MIDI output jack.

This outputs MIDI signals.

y MIDI IN jack

This 5-pin DIN is a standard MIDI input jack.

Use this to input MIDI signals.

u WORD IN/OUT connectors

These BNC connectors are for the input and output of word

clock and video reference signals.

Word clock signals of 44.1, 48, 88.2, 96, 176.4 and 192 kHz

can be input and output.

CAUTION

If a digital system has multiple word clock masters, serious

problems, including damage to equipment, could occur.

i 75Ω ON/OFF/THRU/WORD OUT switch

Use this switch to make the following settings.

o Whether or not the WORD IN connector has 75Ω termi-

nation

o WORD output THRU/OUT setting (OUT is for WORD only)

o LINE IN 9-10 (BALANCED) jacks and LEVEL switch

These standard TRS jacks are line inputs.

Use the LEVEL switch to set the nominal level to −10dBV or

+4dBu.

p COAXIAL OUT jack

This digital audio output connector supports the AES/EBU

and S/PDIF standards.

Set the digital signal format on the “INTERFACE” page of the

Settings Panel.

a LINE OUT (BALANCED) 1–10 jacks

These standard TRS jacks are line outputs. The nominal

output level is +4 dBu.

(Tip: HOT, Ring: COLD, Sleeve: GND)

s AUTO POWER SAVE switch

Use this switch to have the unit turn itself off automatically

(start standby) when operating in mic preamp mode if no

input signal above −60 dBFS is detected for 30 minutes.

CAUTION

If you want to turn the unit on again after it has turned itself

off (started standby) automatically, press the STANDBY/

ON button once, wait at least 8 seconds and then press the

STANDBY/ON button again.

d Cord holder

Hook the cord of the included AC adapter here to prevent

accidental disconnection.

f DC IN 12V connector

Connect the included AC adapter (GPE248-120200-Z) here.

8

TASCAM US-20x20

Installing the dedicated software

To use this unit with a computer, dedicated software must be

installed on the computer.

Download the latest software for the operating system you are

using from the TEAC Global Site (http://teac-global.com/).

0 To use this unit with a Windows computer, install the

Windows driver.

When you install the Windows driver, the Windows Settings

Panel application will be installed at the same time.

0 To use this unit with a Mac, install the Mac Settings Panel

application.

The standard OS driver will be used.

0 When using this unit with an iOS device, the standard OS

driver will be used, so there is no need to install dedicated

software.

CAUTION

Before starting to installer software, quit other applications.

Installing the Windows driver

CAUTION

•

Complete installation of the Windows driver on the

computer before connecting the unit to it with the USB

cable.

•

If you already connected the unit to the computer using

the USB cable before installing the Windows driver and the

Found New Hardware Wizard launched, close the message

and disconnect the USB cable.

8

Windows driver installation procedures

1. Download the latest Windows driver for the operating

system you are using from the TEAC Global Site (http://

teac-global.com/) and save it on the computer to be used

with the unit.

2. Open the saved Windows driver (zip file) on, for example, the

computer desktop.

3. Double-click the “US-20x20_Installer” file in the folder that

appears after uncompression to automatically launch the

installation software.

4. When a “Security Warning” or “User Account Control” screens

appear, click the “Yes” button.

5. When the InstallShield Wizard screen appears, click the “Next

(N)” button.

6. Read the contents of the License Agreement, and select

“Agree (A)” if you agree to the terms.

Then, click the “Next (N)” button.

7. Click the “Install (I) button.

8. Next, click the “Install (I)” button to start installation.

9. The following screen appears when installation has

completed.

Click the “Finish (F)” button.

The installer will quit and the Windows Settings Panel will

launch.

NOTE

After installing the driver, the device driver will be installed

the first time the unit is connected by USB. At this time,

Windows will automatically search Windows Update, and

it may take some time to recognize the unit connection.

If the unit is still not recognized after some time, open the

software installation screen from the message area at

the bottom right of the computer display, and click “Skip

Obtaining Drivers From Windows Update” to cancel the

search.

TASCAM US-20x20

9

Installing the Mac Settings Panel

NOTE

•

Install the Mac Settings Panel on the computer before

connecting the unit to it with the USB cable.

•

Depending on the Gatekeeper setting, a warning message

might appear during installation. For information about

Gatekeeper, see “Note about Gatekeeper” in “3 – Instal-

lation” of the Reference Manual.

8

Mac Settings Panel installation procedures

1. Download the latest Mac Settings Panel for the operating

system you are using from the TEAC Global Site (http://

teac-global.com/) and save it on the computer to be used

with the unit.

2. Double-click “US-20x20_Installer.dmg", which is the saved

disk image file for the Mac Settings Panel, and double-click

“US-20x20.pkg” inside the folder that opens.

NOTE

Depending on the computer’s settings, the downloaded zip

file might not have opened automatically. In this case, open

the zip file first and then double-click the disk image file.

3. When the installer starts, click the “Continue” button.

4. Next, select the desired language and click the “Continue”

button.

5. Click the “Read License” button and check the contents

of the Software License Agreement. If you agree to the

contents, click “Agree”.

Then, click the “Next” button.

6. Next, click the “Install” button to start installation.

7. The following screen appears when installation has

completed.

Click the “Close” button.

The Mac Settings Panel will launch.

10

TASCAM US-20x20

Connecting the power

Use the included AC adapter to connect a power supply to the

unit as shown below.

GPE248-120200-Z (included)

Power outlet

DC plug

In order to prevent the cord from becoming disconnected

during use, wrap it around the cord holder when connecting it.

CAUTION

Always use the AC adapter (GPE248-120200-Z) that was

shipped with the unit. Using a different AC adapter could

cause malfunction, overheating, fire or other problems.

NOTE

The AC adapter for the unit includes two types of outlet

plugs. Attach the type of plug that matches the power outlet

that you are using. See “Changing the outlet plug” on page

10.

Changing the outlet plug

$%

2

1

5

3

4

1 Move the latch on the AC adapter in the direction of the

arrow.

2 Pull off the outlet plug.

3 Replace it with the other outlet plug (A or B).

4 Move the latch on the AC adapter in the direction of the

arrow again.

5 Attach the outlet plug to the AC adapter.

After changing the outlet plug, confirm that it is not loose

or crooked and that everything is normal before plugging

it into an outlet

CAUTION

Do not use the adapter if there is anything abnormal about

the plug after changing it. Use when the plug is abnormal

could cause fire or electric shock. Contact the retailer where

you purchased the unit or a TEAC service center (on the back

cover) to request repair.

Connecting with a computer

Two types of USB cables (USB 2.0 and USB 3.0) are included with

this unit.

Select one of the included USB cables according to the

computer and operating system being used and use it to

connect the unit to a computer USB 2.0 or USB 3.0 port.

NOTE

A USB2.0 speed connection will be used if the unit is

connected to a USB3.0 port on the computer using a USB2.0

cable.

Check the TEAC Global Site (http://teac-global.com/) for the

latest information about supported operating systems.

8

Windows

Supported operating

systems

USB standard

Connected

USB cable

USB 2.0 USB 3.0

Windows 10 32-bit

ü ü*

USB 3.0 cable*

USB 2.0 cable

Windows 10 64-bit

ü ü*

Windows 8.1 32-bit

ü

-

USB 2.0 cable

Windows 8.1 64-bit

ü

-

Windows 7 32-bit SP1 or later

ü

-

USB 2.0 cable

Windows 7 64-bit SP1 or later

ü

-

* Connect with the included USB 3.0 cable to use the USB 3.0

standard.

8

Mac

Supported operating

systems

USB standard

Connected

USB cable

USB 2.0 USB 3.0

OS X El Capitan (10.11.2 or

later)

ü ü*

USB 3.0 cable*

USB 2.0 cable

OS X Yosemite (10.10.1 or later)

ü

- USB 2.0 cable

OS X Mavericks (10.9.5)

ü

- USB 2.0 cable

OS X Mountain Lion (10.8.5)

ü

- USB 2.0 cable

* Connect with the included USB 3.0 cable to use the USB 3.0

standard.

TASCAM US-20x20

11

Making computer settings

NOTE

In order to enable the computer to handle digital audio signals smoothly, other loads on the computer should be minimized as much

as possible We recommend that you quit unneeded applications before use.

Making settings on the MIXER screen

Launch the Settings Panel software.

8

Windows

From “All Apps” (All Programs), select “US-20x20 Settings Panel” under TASCAM.

8

Mac OS X

Select “US-20x20 Settings Panel” from Applications and launch it to open the Settings Panel on the computer display.

Click the MIXER tab on the Settings Panel to open the MIXER page as shown below.

Windows Settings Panel MIXER page

NOTE

When the unit is in MIC PRE mode, clicking the MIXER tab

will not open the MIXER page.

1 EQUALIZER

Equalizer settings are shown for the channel selected using

its Select button (5).

2 COMPRESSOR

Compressor settings are shown for the channel selected

using its Select button (5).

3 Mode

This shows the operation mode of the unit set using the

MODE button on its front panel.

4 REVERB

This shows the reverb settings.

5 Select buttons

Activate one of these buttons to show the equalizer and

compressor settings for that channel in 1 and 2.

6 PHASE buttons

Click a PHASE button to reverse the phase of that channel.

Lit buttons show the channels that have this function

activated.

7 EQ buttons

Click an EQ button to activate the equalizer for that channel.

Lit buttons show the channels that have this function

activated.

8 COMP buttons

Click a COMP button to activate the compressor for that

channel. Lit buttons show the channels that have this

function activated.

9 Effect AUX selection buttons

0 AUX 1–4 knobs and indicators

q SOLO buttons

w MUTE buttons

e Pan sliders

12

TASCAM US-20x20

r Channel faders

t Channel level meters

y Fader level display areas

u LINK buttons

i Channel notes

o REVERB button

p RETURN knob and indicator

a AUX MASTER 1/REVERB knob and indicator

s AUX MASTER 2–4 knobs and indicators

d STEREO MASTER fader

f STEREO MASTER level meters

g STEREO MASTER fader level display areas

For details about other settings, see “MIXER page” in “6 – Using

the Settings Panel” of the Reference Manual.

Making settings on the INTERFACE screen

Windows Settings Panel “INTERFACE” page

For details about other settings, see “INTERFACE page” in “6 –

Using the Settings Panel” of the Reference Manual. (See “Note

about the Reference Manual” on page 5.)

8

Setting the sample clock source

1. Click the “INTERFACE” tab on the Settings Panel to open the

“INTERFACE” page.

2. Click Sample Clock Source (1) on the “INTERFACE” page to

set the sample clock source.

Options: COAXIAL, OPTICAL, WORD, INTERNAL

NOTE

When set to “COAXIAL”, “OPTICAL” or “WORD”, if no signal is

input into the corresponding input jack or the unit becomes

unable to synchronize, “unlock” will appear as the “Digital

Input Status” in the status display area and the unit’s MODE

indicator will blink.

8

Setting the sampling frequency used when set to

INTERNAL

Set the Internal Sample Rate item (2) to the sampling

frequency to be used when the Sample Clock Source (1) is set

to INTERNAL.

1. Click the “INTERFACE” tab on the Settings Panel to open the

“INTERFACE” page.

2. Click the Internal Sample Rate item (2) on the “INTERFACE”

page and set the sampling frequency of the unit’s internal

clock.

Options: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz,

192kHz

NOTE

When the unit is in MIC PRE or AUDIO I/F operation mode,

you cannot set the Internal Sample Rate.

8

Setting the digital output format

1. Click the “INTERFACE” tab on the Settings Panel to open the

“INTERFACE” page.

2. Click Coaxial Digital Output Format (2) on the “INTERFACE”

page to set the digital output format.

Options: S/PDIF, AES/EBU

8

Setting the digital input destination (only when

176.4kHz/192kHz)

1. Click the “INTERFACE” tab on the Settings Panel to open the

“INTERFACE” page.

2. Click the Digital Input (176.4k/192kHz) item (4) on the

“INTERFACE” page and set the digital input destination.

Options: COAXIAL, OPTICAL 1/2

Making settings on the OUTPUT SETTING

screen

When the unit is in “AUDIO I/F” or “MIXER” mode, you can set the

signals output to each output jack on the “OUTPUT SETTING”

page.

For details about each operation mode, see (See “Overview of

operation modes” on page 14.)

“AUDIO I/F” mode example

NOTE

•

When the unit is in MIC PRE mode, you cannot change

settings in the output selection area on the “OUTPUT

SETTING” page.

•

For details about other settings, see “OUTPUT SETTING

page” in “6 – Using the Settings Panel” of the Reference

Manual. (See “Note about the Reference Manual” on page

5.)

TASCAM US-20x20

13

Examples of connections with other

equipment

Bass Guitar

Guitar Drums

Headphones

Computer

Powered speakers or amplifier

and speakers

Drum machine

Sound module

Digital recorder

Example using a US-20x20

CAUTION

•

Before making connections, turn this unit and all equipment

to be connected off (standby).

•

The phantom power switches set four input channels at a

time. Do not set phantom power to +48V when connecting

a mic that does not require phantom power.

•

Before changing a phantom power switch setting, set the

LINE OUT 1–2 and PHONES 1/2 knobs to their minimum

values. Failure to do so could cause sudden loud noises from

monitoring equipment, and this could damage equipment

or harm hearing.

•

Do not connect or disconnect mics when a PHANTOM

switch is set to +48V. Doing so could cause a loud noise and

might damage this unit and connected equipment.

•

Set the PHANTOM switch to +48V only when using a

condenser microphone that requires phantom power.

Turning phantom power on when a dynamic mic or other

mic that does not require it is connected could damage this

unit and connected equipment.

•

When using condenser mics that require phantom power

and dynamic mics together, be sure to use balanced

dynamic mics. Unbalanced dynamic mics cannot be used

when phantom power is enabled .

•

Supplying phantom power to some ribbon mics will break

them. If you are unsure, do not supply phantom power to a

ribbon mic.

Connecting with iOS devices

You can use a Lightning to USB Camera Adapter* to connect the

unit to an iOS device and use it as an interface with that device.

*You will need to prepare an Apple genuine Lightning to USB

Camera Adapter (sold separately).

NOTE

When connected, this unit will not provide power to the iOS

device.

Adjusting the input sound

Analog audio signals input into this device from mics, guitars,

keyboards and other audio equipment can be converted into

digital signals and transmitted to the computer via USB. In

addition, you can monitor audio signals by connecting powered

monitor speakers or headphones to this unit.

Use the various controls as necessary.

Adjust the analog input levels of the MIC/INST IN 1-2 jacks (1)

and MIC/LINE IN 3-8 jacks (2) using their gain knobs (4) so

that their signal/overload indicators (3) do not light.

To monitor the sound using headphones, connect headphones

to the PHONES 1/2 jacks (5) and adjust the PHONES 1/2 knobs

(6).

NOTE

Check the following if you cannot hear the input sounds.

o Use the PHONES 1/2 knobs on the front panel to adjust

the output levels of the PHONES 1/2 jacks.

o Use the LINE OUT 1-2 knob on the front panel to adjust

the output levels of the LINE OUT 1-2 jacks.

14

TASCAM US-20x20

Overview of operation modes

Press the MODE button on the front of the unit to switch the

operation mode.

The MODE indicator lights for the currently active operation

mode.

This unit has the following three operation modes.

8

MIC PRE

The unit functions as a microphone preamp.

8

AUDIO I/F

The unit functions as an audio interface.

8

MIXER

The unit functions as a digital mixer.

Using the unit as a microphone preamp

1. Press the MODE button on the front of the unit to set it to

MIC PRE.

“MIC PRE” appears in the MODE display area at the top of the

Settings Panel.

2. Click the “OUTPUT SETTING” tab on the Settings Panel to

open the “OUTPUT SETTING” page.

NOTE

When the unit is in MIC PRE mode, you cannot make

settings on the “OUTPUT SETTING” page.

Using the unit as an audio interface

1. Press the MODE button on the front of the unit to set it to

AUDIO I/F.

“AUDIO INTERFACE” appears in the MODE display area at the

top of the Settings Panel.

2. Click the “OUTPUT SETTING” tab on the Settings Panel to

open the “OUTPUT SETTING” page.

3. Click the output signal selection area on the “OUTPUT

SETTING” page, and set the signal output from each output

jack.

Options: MASTER L/MASTER R, AUX 1 – AUX 4,

COMPUTER 1 – COMPUTER 20

4. The signal destination selected in step 3 will be shown in the

connection display area on the “OUTPUT SETTING” page.

Using the unit as a digital mixer

1. Press the MODE button on the front of the unit to set it to

MIXER.

“DIGITAL MIXER” appears in the MODE display area at the top

of the Settings Panel.

2. Click the “OUTPUT SETTING” tab on the Settings Panel to

open the “OUTPUT SETTING” page.

3. Click the output signal selection area on the “OUTPUT

SETTING” page, and set the signal output from each output

jack.

Options: MASTER L/MASTER R, AUX 1 – AUX 4

4. The signal destination selected in step 3 will be shown in the

connection display area on the “OUTPUT SETTING” page.

Changing sampling frequency

8

In mic preamp and digital mixer modes

Use the following settings to change the sampling frequency

(44.1 kHz by default) in mic preamp and digital mixer modes.

Windows

Control Panel w Sound window w Speakers TASCAM

US-20x20 w Properties (p) w US-20x20 Properties

Advanced tab w Default Format

Mac

Applications folder w Utilities folder w Audio MIDI Setup

w Audio Devices window w US-20x20 w Format

NOTE

In mic preamp and digital mixer modes, the sampling

frequency can also be changed from DAW software.

8

In audio interface mode

Set it using your DAW software.

Input and output channels in mic preamp

mode

In mic preamp mode, the routings between input and output

channels are fixed as shown below.

Input/output channels at 44.1/48kHz sampling

frequency

Input Output

MIC/INST IN1 LINE OUT 1

MIC/INST IN2 LINE OUT 2

MIC/LINE IN3 LINE OUT 3

MIC/LINE IN4 LINE OUT 4

MIC/LINE IN5 LINE OUT 5

MIC/LINE IN6 LINE OUT 6

MIC/LINE IN7 LINE OUT 7

MIC/LINE IN8 LINE OUT 8

MIC/INST IN1-2 + MIC/LINE IN3-8* OPTICAL OUT

MIC/INST IN1-2 COAXIAL OUT

MIC/INST IN1-2 LINE OUT 9-10

* The possible number of input channels depends on the

sampling frequency setting. For details, see “Input/output

channels in mic preamp mode” in “7 – Installation” of the

Reference Manual.

You can use the gain knobs of the channels to adjust each of

their output levels.

NOTE

When shipped new from the factory, the LINE OUT 1–2

knob is set at its minimum value, so no signal will be output

from the LINE OUT 1–2 jacks. When using this unit in mic

preamp mode, set the LINE OUT 1–2 knob to its maximum

value.

TASCAM US-20x20

15

Troubleshooting

Please read this chapter if you are unable to use the unit

properly even after setting it up following the procedures in this

manual.

If you are still unable to resolve your problems please contact

TASCAM customer support (see page 2) with the following

information about the operating environment and details about

the trouble.

8

Operating environment

0 Computer manufacturer

0 Model

0 CPU

0 Memory (RAM)

0 Operating system

0 Applications used

0 Antivirus software

0 Wireless LAN use

8

The dedicated software cannot be installed

1. Check the operating system

The operating system you are using might not be supported

by the software that you are trying to install.

Check the operating systems supported by the software that

you are trying to install.

2. Stop software that is running in the background

Antivirus software and other software running in the

background can interfere with installation. Quit software

running in the background and try installing again.

8

The unit is connected, but the computer does not

recognize it.

1. Install the dedicated software

o If you have not done so, install the dedicated software.

(See “Installing the dedicated software” on page 8.)

2. Change the USB port

o This unit will not work with USB 1.1. Use a USB 3.0 or USB

2.0 port.

o Do not use a USB hub. Always connect the unit directly to

a USB port on the computer.

o If the above steps do not resolve the problem, connect the

unit to a different USB port on the computer.

8

There is no sound even when audio is playing back

on the computer.

The audio output must be set on the computer.

Please confirm the following while the unit is connected to the

computer. Moreover, if you make the following settings, sound

will be output through this unit, but no sound will be output by

the computer’s speakers or headphone jack.

Windows 10/Windows 8.1/Windows 7

0 See the “Windows Media Player” section in the “8 – Appli-

cation Guide” chapter of the Reference Manual, and make

settings for the default playback device according to the OS.

0 Conduct procedures 1–4 for Windows 8 or procedures 1–3

for Windows 7 to set the default device for playback.

Mac OS X

1. Quit all applications and open “System Preferences…” from

the Apple menu.

2. Open “Sound”.

3. On the Output tab, select “US-20x20”.

After completing the setting, restart the computer and check

the sound of playback. Depending on the application that you

are using, you might need to make additional device settings.

In particular, DAW applications operate using audio engines

with settings that are different from the OS settings, so confirm

the DAW settings first after installing the dedicated software for

this unit.

Please see the manuals for the applications that you are using

for detailed setting procedures.

8

Sound breaks up or there is noise.

The processing load on the computer causes sound to break up

and noise to occur.

Here are some methods to reduce the load on the computer.

1. A wireless LAN and software running in the background,

including antivirus software, regularly put processing

loads on the computer, which can cause sound to break up

and other noise. Stop wireless LAN transmission, antivirus

software and other software running in the background

when using this unit.

2. Set the buffer size (latency) in the audio application that

you are using or in this unit's Settings Panel to a larger value

(Windows only).

NOTE

Consult the maker of the audio application that you are

using for methods to reduce its load on your computer.

3. Change the settings of your computer so that they are

optimal for audio processing.

Windows 10

1 Click the Start button and click “Explorer”.

2 Right-click “PC” and select “Properties”.

3 Click “Advanced system settings”.

4 Click “Settings” in the “Performance” section of the

“Advanced” tab of the “System Properties” window.

5 In the “Visual Effects” tab of the “Performance Options”

window, select “Adjust for best performance”.

1~5、 R M から持ってきました。

16

TASCAM US-20x20

Windows 8.1

1 Click the  button that appears at the bottom left of

the Start screen to open the Apps screen.

2 Right-click “Computer” and select “Properties”.

3 Click “Advanced system settings”.

4 Click “Settings” in the “Performance” section of the

“Advanced” tab of the “System Properties” window.

5 In the “Visual Effects” tab of the “Performance Options”

window, select “Adjust for best performance”.

Windows 7

a) Turn Aero off.

1 Right-click the desktop and select “Personalize”.

2 Select a “Basic” or “High Contrast” theme.

b) Performance settings

1 Right-click “Computer” and select “Properties”.

2 Click “Advanced system settings”.

3 Click “Settings” in the “Performance” section of the

“Advanced” tab of the “System Properties” window.

4 In the “Visual Effects” tab of the “Performance Options”

window, select “Adjust for best performance”.

Mac OS X

1 Open “System Preferences…” from the Apple menu,

and select “Energy Saver”.

2 Set “Computer sleep” to “Never”.

3 Set “Display sleep” to “Never”.

NOTE

Depending on the Mac OS X version and Mac computer

model, this setting might not be available.

4. Change the USB port

Since the unit might not properly function with some USB

ports, try connecting to a different USB port.

NOTE

•

Try again after disconnecting other USB devices. (Keyboards

and mice can be left connected.)

•

Do not use a USB hub. Always connect the unit directly to a

USB port on the computer (built-in)

Specifications

Ratings

8

Sampling frequencies

44.1, 48, 88.2, 96, 176.4, 192 kHz

8

Quantization bit depth

16/24-bit

Analog inputs

8

Mic inputs (balanced, IN1–IN2)

Connector: XLR-3-31 equivalent (1: GND, 2: HOT, 3: COLD)

Input impedance: 2.4 kΩ

Nominal input level (gain knob at MAX): −68 dBu (0.0003

Vrms)

Nominal input level (gain knob at MIN): −12 dBu (0.195

Vrms)

Maximum input level: +8 dBu (1.947 Vrms)

Gain range: 56 dB

8

Instrument inputs (unbalanced, IN1–IN2)

Connectors: 6.3mm (1/4") standard TS jacks

(Tip: HOT, Sleeve: GND)

Input impedance: 1 MΩ or more

Nominal input level (gain knob at MAX): −68 dBV (0.0004

Vrms)

Nominal input level (gain knob at MIN): −12 dBV (0.251

Vrms)

Maximum input level: +8 dBV (2.512 Vrms)

Gain range: 56 dB

8

Line inputs (balanced, IN1–IN8)

Connectors: 6.3mm (1/4") standard TRS jacks

(Tip: HOT, Ring: COLD, Sleeve: GND)

Input impedance: 10 kΩ

Nominal input level (gain knob at MAX): −52 dBu (0.0019

Vrms)

Nominal input level (gain knob at MIN): +4 dBu (1.228 Vrms)

Maximum input level: +24 dBu (12.282 Vrms)

Gain range: 56 dB

8

Line inputs (unbalanced, LINE IN 9–10)

When LEVEL switch set to −10dBV

Connectors: 6.3mm (1/4") standard TS jacks

(Tip: HOT, Sleeve: GND)

Input impedance: 10 kΩ

Nominal input level: −10 dBV (0.3162 Vrms)

Maximum input level: +10 dBV (3.162 Vrms)

8

Line inputs (balanced, LINE IN 9–10)

When LEVEL switch set to +4dBu

Connectors: 6.3mm (1/4") standard TRS jacks (Tip: HOT,

Ring: COLD, Sleeve: GND)

Input impedance: 10 kΩ

Nominal input level: +4 dBu (1.228 Vrms)

Maximum input level: +24 dBu (12.282 Vrms)

Analog outputs

8

Line outputs (balanced, LINE OUT 1–10)

Connectors: 6.3mm (1/4") standard TRS jacks (Tip: HOT, Ring:

COLD, Sleeve: GND)

Output impedance: 100 Ω

Nominal output level: +4 dBu (1.228 Vrms)

Maximum output level: +24 dBu (12.277 Vrms)

8

Headphone outputs (PHONES 1/2)

Connectors: 6.3mm (1/4") standard stereo jacks

Maximum output: 70mW + 70mW (THD+N 0.1% or less, into

32 Ω load)

Frequency response (input w PHONES 1/2 output)

At 44.1 kHz and 48 kHz

20 Hz – 20 kHz: ±1.0 dB (JEITA)

At 176.4 kHz and 192 kHz

20 Hz – 80 kHz: ± 5.0 dB (JEITA)

Digital audio input/output ratings

8

COAXIAL IN

Connectors: RCA pin jacks

TASCAM US-20x20

17

Signal formats: IEC 60958-3 (S/PDIF)

Input impedance: 75 Ω

Input level: 0.5 Vpp/75 Ω

8

COAXIAL OUT

Connectors: RCA pin jacks

Signal formats: IEC 60958-3 (S/PDIF) and IEC 60958-4 (AES/

EBU)

Change on Settings Panel INTERFACE page

Output impedance: 75 Ω

Output level: 0.5 Vpp/75 Ω

8

OPTICAL (S/MUX) IN/OUT

Connectors: OPTICAL (JEITA RC-5720C)

Signal format: Multi-channel optical format (Supports S/

MUX when 88.2 k, 96 k, 176.4 k or 192 kHz.)

Control input/output ratings

8

USB

Connector: USB 3.0 B type

Transfer rate: USB 3.0 Super Speed (5 Gbps)

8

MIDI IN connector

Connector: 5-pin DIN

Format: standard MIDI

8

MIDI OUT connector

Connector: 5-pin DIN

Format: standard MIDI

8

WORD IN connector

Connector: BNC

Input voltage: 2.0Vpp - 5.0Vpp

Input impedance: 75 Ω ±10%

Permitted frequency deviation during external synchroni-

zation: ±100 ppm

Termination on/off switch included

8

WORD OUT connector

Connector: BNC

Output voltage: 2.0 Vpp (into 75Ω load)

Output impedance: 75 Ω ±10%

Sampling frequencies: 44.1 k, 48 k, 88.2 k, 96 k, 176.4 k and

192 kHz

OUT/THRU switch included

Audio performance

8

Mic amp EIN (equivalent input noise)

−125 dBu or lower

8

Frequency response

Input w LINE OUT (BALANCED)

At 44.1/48 kHz and 20 Hz – 20 kHz: ±0.5 dB (JEITA)

At 176.4/192 kHz and 20 Hz – 80 kHz: ± 5 dB (JEITA)

8

S/N ratio

104 dB or higher

(MIC/LINE IN w LINE OUT, gain knob at MIN, JEITA)

8

Distortion

0.005% or less (MIC/LINE IN w LINE OUT, 1kHz sine wave, at

nominal input level and maximum output level)

8

Crosstalk

100 dB or more (MIC/LINE IN w LINE OUT, 1 kHz)

Computer system requirements

Check the TEAC Global Site (http://teac-global.com/) for the

latest information about supported operating systems.

8

Windows

Supported operating systems

Windows 10 32-bit

Windows 10 64-bit

Windows 8.1 32-bit

Windows 8.1 64-bit

Windows 7 32-bit SP1 or later

Windows 7 64-bit SP1 or later

(Windows Vista and Windows XP are not supported)

Computer hardware requirements

Windows computer with a USB 3.0 or USB 2.0 port

CPU/processor speed

2 GHz or faster dual core processor (x86)

Memory

2 GB or more

Screen resolution

1280×800 pixels or greater

CAUTION

•

The included USB cable (USB 2.0 or USB 3.0) and the USB

specification that can be used depends on the computer and

OS you are using.

Supported

operating systems

USB standard

Connected

USB cable

USB 2.0 USB 3.0

Windows 10 32-bit

ü ü*

USB 3.0 cable*

USB 2.0 cable

Windows 10 64-bit

ü ü*

Windows 8.1 32-bit

ü

-

USB 2.0 cable

Windows 8.1 64-bit

ü

-

Windows 7 32-bit SP1

or later

ü

-

USB 2.0 cable

Windows 7 64-bit SP1

or later

ü

-

* Connect with the included USB 3.0 cable to use the USB

3.0 standard.

•

Operation of this unit was confirmed using standard

computers that meet the above requirements. This does

not guarantee operation with all computers that meet the

above requirements. Even computers that meet the same

system requirements might have processing capabilities

that differ according to their settings and other operating

conditions

18

TASCAM US-20x20

8

Mac OS X

Supported operating systems

OS X El Capitan (10.11.2 or later)

OS X Yosemite (10.10.1 or later)

OS X Mavericks (10.9.5)

OS X Mountain Lion (10.8.5)

Computer hardware requirements

Mac with a USB 3.0 or USB 2.0 port

CPU/processor speed

2 GHz or faster dual core processor

Memory

2 GB or more

Screen resolution

1280×800 pixels or greater

CAUTION

•

The included USB cable (USB 2.0 or USB 3.0) and the USB

specification that can be used depends on the computer and

OS you are using.

Supported

operating systems

USB standard

Connected

USB cable

USB 2.0 USB 3.0

OS X El Capitan

(10.11.2 or later)

ü ü*

USB 3.0 cable*

USB 2.0 cable

OS X Yosemite

(10.10.1 or later)

ü

- USB 2.0 cable

OS X Mavericks

(10.9.5)

ü

- USB 2.0 cable

OS X Mountain Lion

(10.8.5)

ü

- USB 2.0 cable

* Connect with the included USB 3.0 cable to use the USB

3.0 standard.

8

iOS devices

Apple device running iOS 7 or later

Supported audio drivers

8

Windows

USB Audio Class 2.0, ASIO 2.0, WDM (MME), MIDI

8

Mac

Core Audio, Core MIDI

General

8

Power

DC12V AC adapter (GPE248-120200-Z)

8

Power consumption

20 W

8

Dimensions

With standard frame attached

445 × 59 × 222 mm (W × H × D)

With rack mount adapters attached

482.6 × 44 × 222.4 mm (W × H × D)

8

Weight

2.7 kg

8

Operating temperature range

5–35 °C (32–104 °F)

Dimensional drawings

8

With standard frame attached (as shipped from the

factory)

8

With rack mount adapters attached

0 Illustrations in this manual might differ in part from the

actual product.

0 Specifications and external appearance might be changed

without notification to improve the product.

0 Detailed specifications are provided in the Reference

Manual.

TASCAM US-20x20

19

Mode d'emploi

PRÉCAUTIONS DE SÉCURITÉ

IMPORTANTES

Pour le Canada

THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN

ICES-003.

CET APPAREIL NUMÉRIQUE DE LA CLASSE B EST CONFORME À

LA NORME NMB-003 DU CANADA.

Ce produit est conforme aux directives

européennes et aux autres réglementations de la

Commission européenne.

INSTRUCTIONS DE SÉCURITÉ

IMPORTANTES

1 Lisez ces instructions.

2 Conservez ces instructions.

3 Tenez compte de tous les avertissements.

4 Suivez toutes les instructions.

5 N'utilisez pas cet appareil avec de l'eau à proximité.

6 Ne nettoyez l'appareil qu'avec un chiffon sec.

7 Ne bloquez aucune ouverture de ventilation. Installez-le

conformément aux instructions du fabricant.

8 Ne l'installez pas près de sources de chaleur telles que des

radiateurs, bouches de chauffage, poêles ou autres appareils

(y compris des amplificateurs) dégageant de la chaleur.

9 Ne neutralisez pas la fonction de sécurité de la fiche

polarisée ou de terre. Une fiche polarisée a deux broches,

l'une plus large que l'autre. Une fiche de terre a deux

broches identiques et une troisième broche pour la mise à la

terre. La broche plus large ou la troisième broche servent à

votre sécurité. Si la fiche fournie n'entre pas dans votre prise,

consultez un électricien pour le remplacement de la prise

obsolète.

10 Évitez de marcher sur le cordon d'alimentation et de le

pincer, en particulier au niveau des fiches, des prises secteur,

et du point de sortie de l'appareil.

11 N'utilisez que des fixations/accessoires spécifiés par le

fabricant.

12 Utilisez-le uniquement avec des chariots,

socles, trépieds, supports ou tables

spécifiés par le fabricant ou vendus avec

l'appareil. Si un chariot est utilisé, faites

attention à ne pas être blessé par un

renversement lors du déplacement de l'ensemble chariot/

appareil.

13 Débranchez cet appareil en cas d'orage ou de non utilisation

prolongée.

14 Confiez toute réparation à des techniciens de maintenance

qualifiés. Une réparation est nécessaire si l'appareil a été

endommagé d'une quelconque façon, par exemple si le

cordon ou la fiche d'alimentation est endommagé, si du

liquide a été renversé sur l'appareil ou si des objets sont

tombés dedans, si l'appareil a été exposé à la pluie ou à

l'humidité, s'il ne fonctionne pas normalement, ou s'il est

tombé.

•

L’appareil tire un courant nominal de veille de la prise

secteur quand son interrupteur POWER ou STANDBY/ON

n’est pas en position ON.

•

La fiche secteur est utilisée comme dispositif de

déconnexion et doit donc toujours rester disponible.

•

Des précautions doivent être prises en cas d'utilisation

d'écouteurs ou d'un casque avec le produit car une pression

sonore excessive (volume trop fort) dans les écouteurs ou

dans le casque peut causer une perte auditive.

•

Si vous rencontrez des problèmes avec ce produit,

contactez TEAC pour une assistance technique. N'utilisez

pas le produit tant qu'il n'a pas été réparé.

ATTENTION

•

N'exposez pas cet appareil aux gouttes ni aux

éclaboussures.

•

Ne placez pas d'objet rempli de liquide sur l'appareil,

comme par exemple un vase.

•

N’installez pas cet appareil dans un espace confiné comme

une bibliothèque ou un meuble similaire.

20

TASCAM US-20x20

•

L’appareil doit être placé suffisamment près de la prise de

courant pour que vous puissiez à tout moment attraper

facilement la fiche du cordon d'alimentation.

•

Si le produit utilise des piles/batteries (y compris un pack

de batteries ou des batteries fixes), elles ne doivent pas être

exposées au soleil, au feu ou à une chaleur excessive.

•

PRÉCAUTION pour les produits qui utilisent des batteries

remplaçables au lithium: remplacer une batterie par

un modèle incorrect entraîne un risque d'explosion.

Remplacez-les uniquement par un type identique ou

équivalent.

8

Pour les consommateurs européens

Mise au rebut des équipements électriques et

électroniques

(a) Tout équipement électrique et électronique doit être traité

séparément de la collecte municipale d'ordures ménagères

dans des points de collecte désignés par le gouvernement

ou les autorités locales.

(b) En vous débarrassant correctement des équipements

électriques et électroniques, vous contribuerez à la

sauvegarde de précieuses ressources et à la prévention

de potentiels effets négatifs sur la santé humaine et

l'environnement.

(c) Le traitement incorrect des déchets d'équipements

électriques et électroniques peut avoir des effets graves

sur l'environnement et la santé humaine en raison de la

présence de substances dangereuses dans les équipements.

(d) Le symbole de poubelle sur roues barrée d'une

croix indique que les équipements électriques et

électroniques doivent être collectés et traités

séparément des déchets ménagers.

(e) Des systèmes de retour et de collecte sont disponibles

pour l'utilisateur final. Pour des informations plus détaillées

sur la mise au rebut des vieux équipements électriques et

électroniques, veuillez contacter votre mairie, le service

d'ordures ménagères ou le magasin dans lequel vous avez

acheté l'équipement.

Sommaire

PRÉCAUTIONS DE SÉCURITÉ IMPORTANTES ........................ 19

INSTRUCTIONS DE SÉCURITÉ IMPORTANTES ......................19

Introduction ....................................................................................21

Note à propos du manuel de référence ................................21

Éléments fournis ............................................................................ 21

Précautions concernant l'emplacement et l'emploi ......... 21

Utilisation du site mondial TEAC..............................................21

Attention à la condensation ...................................................... 21

Nettoyage de l'unité .....................................................................21

Enregistrement de l'utilisateur .................................................21

Nomenclature et fonctions des parties .................................22

Face avant ................................................................................22

Face arrière ..............................................................................23

Installation du logiciel dédié ..................................................... 24

Installation du pilote Windows ........................................24

Installation du panneau de réglages (Settings Panel)

pour Mac ..................................................................................25

Connexion de l'alimentation ..................................................... 26

Changement des broches de prise électrique ...........26

Branchement à un ordinateur ..................................................26

Paramétrage de l'ordinateur .....................................................27

Réglages en écran MIXER ...................................................27

Réglages en écran INTERFACE .......................................... 28

Réglages en écran OUTPUT SETTING ............................28

Exemples de branchement à d'autres équipements .......29

Branchement à des appareils iOS ............................................29

Réglage du son entrant ............................................................... 29

Présentation des modes de fonctionnement .....................30

Emploi de l’unité comme un préampli microphone 30

Emploi de l’unité comme interface audio ....................30

Emploi de l’unité comme mélangeur numérique .....30

Changement de fréquence d’échantillonnage ..........30

Canaux d'entrée et de sortie en mode préampli

micro ..........................................................................................30

Guide de dépannage ...................................................................31

Caractéristiques techniques ...................................................... 32

Données ...................................................................................32

Entrées analogiques ............................................................. 32

Sorties analogiques .............................................................. 33

Valeurs d'entrée/sortie audio numériques ..................33

Valeurs d'entrée/sortie de commande .......................... 33

Performances audio .............................................................33

Configurations informatiques requises ........................33

Pilotes audio pris en charge ..............................................34

Générales .................................................................................34

Dessins avec cotes ................................................................34

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