Esoteric G-02X Le manuel du propriétaire

G-02X

D01307521A

OWNER’S MANUAL .................... 3

MODE D’EMPLOI ...................... 21

MANUAL DEL USUARIO ........... 39

Master Clock Generator

3

English

IMPORTANT SAFETY INSTRUCTIONS

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). NO USER-

SERVICEABLE PARTS INSIDE. REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

<

The lightning flash with arrowhead symbol, within an

equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the

product’s enclosure that may be of sufficient magnitude

to constitute a risk of electric shock to persons.

B

The exclamation point within an equilateral triangle is

intended to alert the user to the presence of important

operating and maintenance (servicing) instructions in

the literature accompanying the appliance.

WARNING: TO PREVENT FIRE OR SHOCK HAZARD,

DO NOT EXPOSE THIS APPLIANCE TO RAIN OR

MOISTURE.

CAUTION

o DO NOT REMOVE THE EXTERNAL CASES OR CABINETS TO EXPOSE

THE ELECTRONICS. NO USER SERVICEABLE PARTS ARE INSIDE.

o IF YOU ARE EXPERIENCING PROBLEMS WITH THIS PRODUCT,

CONTACT THE STORE WHERE YOU PURCHASED THE UNIT FOR

A SERVICE REFERRAL. DO NOT USE THE PRODUCT UNTIL IT HAS

BEEN REPAIRED.

o USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF

PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT

IN HAZARDOUS RADIATION EXPOSURE.

IN USA/CANADA, USE ONLY ON 120 V SUPPLY.

Model for USA

This equipment has been tested and found to comply with the lim-

its 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 instructions, may cause

harmful interference to radio communications. However, there is

no guarantee that interference will not occur in a particular instal-

lation. 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:

• Reorient or relocate the equipment and/or the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Model for Canada

Industry Canada’s Compliance Statement:

This Class B digital apparatus complies with Canadian ICES-003.

Model for Europe

This product complies with the European

Directives request, and the other Commission

Regulations.

CAUTION

Changes or modifications not expressly approved by the party

responsible for compliance could void the user’s authority to oper-

ate the equipment.

China RoHS

o The information in the following table is only applicable to products for sale in the People’s Republic of China.

o The products sold in the European area are manufactured in accordance with the European RoHS Directive.

*%7

*;

*%7

4

IMPORTANT SAFETY INSTRUCTIONS (continued)

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 pro-

vided 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 par-

ticularly 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 nor-

mally, or has been dropped.

o The apparatus draws nominal non-operating power from the

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

position.

o The mains plug is used as the disconnect device; the disconnect

device shall remain readily operable.

o 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.

WARNING

Products with Class ! construction are equipped with a power

supply cord that has a grounding plug. The cord of such a prod-

uct must be plugged into an AC outlet that has a protective

grounding connection.

CAUTION

o Do not expose this apparatus to drips or splashes.

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

the apparatus.

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

book case or similar unit.

o The apparatus should be located close enough to the AC

outlet so that you can easily reach the power cord plug at any

time.

o If the product uses batteries (including a battery pack or

installed batteries), they should not be exposed to sunshine,

fire or excessive heat.

o CAUTION for products that use replaceable lithium batter-

ies: there is danger of explosion if a battery is replaced with

an incorrect type of battery. Replace only with the same or

equivalent type.

For European Customers

Disposal of electrical and electronic equipment and

batteries and/or accumulators

a) All electrical/electronic equipment and waste batteries/accu-

mulators should be disposed of separately from the municipal

waste stream via collection facilities designated by the govern-

ment or local authorities.

b) By disposing of electrical/electronic equipment and waste

batteries/accumulators correctly, you will help save valu-

able resources and prevent any potential negative effects on

human health and the environment.

c) Improper disposal of waste electrical/electronic equipment

and batteries/accumulators can have serious effects on the

environment and human health because of the presence of

hazardous substances in the equipment.

d) The Waste Electrical and Electronic Equipment (WEEE)

symbols, which show wheeled bins that have been

crossed out, indicate that electrical/electronic equip-

ment and batteries/accumulators must be collected

and disposed of separately from household waste.

If a battery or accumulator contains more than the

specified values of lead (Pb), mercury (Hg), and/or

cadmium (Cd) as defined in the Battery Directive

(2006/66/EC), then the chemical symbols for those

elements will be indicated beneath the WEEE symbol.

e) Return and collection systems are available to end users. For

more detailed information about the disposal of old electri-

cal/electronic equipment and waste batteries/accumulators,

please contact your city office, waste disposal service or the

shop where you purchased the equipment.

Pb, Hg, Cd

5

English

Contents

MEXCEL is a registered trademark of Mitsubishi Cable Industries, Ltd.

in Japan and other countries.

ESOTERIC is a trademark of TEAC CORPORATION, registered in the U.S.

and other countries.

Other company names and product names in this document are the

trademarks or registered trademarks of their respective owners.

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

Before use .........................................................6

Names and functions of parts (display) .............................6

Names and functions of parts ......................................7

Making connections ...............................................8

Basic operation ...................................................10

Clock output frequency setting ...................................11

Setting mode .....................................................14

Messages .........................................................17

Maintenance .....................................................17

Troubleshooting ..................................................18

Restoring factory default settings .................................18

Specifications .....................................................19

Dimensional drawings ............................................20

Thank you for purchasing this Esoteric product.

Read this manual carefully to get the best performance from this

product. After reading it, keep it in a safe place with the warranty card

for future reference.

6

Before use

What’s in the box

Check to be sure the box includes all the supplied accessories shown

below. Please contact the store where you purchased this unit if

any of these accessories are missing or have been damaged during

transportation.

Power cord × 1

Felt pads × 3

Owner’s manual (this document) × 1

Warranty card × 1

Precautions for use

o This unit is very heavy, so take care to avoid injury during installation.

o Do not install this unit in a location that could become hot. This

includes places that are exposed to direct sunlight or near a radia-

tor, heater, stove or other heating equipment. Moreover, do not

place it on top of an amplifier or other equipment that gener-

ates heat. Doing so could cause discoloration, deformation or

malfunction.

o When installing this unit, leave a little space (at least 20cm or 8")

between it and walls and other devices in order to allow good

heat dissipation.

If you put it in a rack, take precautions to prevent overheating

by leaving at least 5cm (2") open above the top of the unit and

at least 10cm (4") open behind the unit. Failure to provide these

gaps could cause heat to build up inside and result in fire.

o Place the unit in a stable location near the audio system that you

will use with it.

o Do not move the unit during use.

o Be careful to avoid injury when moving the unit due to its weight.

Get someone to help you if necessary.

o The voltage supplied to the unit should match the voltage printed

on the rear panel. If you are in any doubt regarding this matter,

consult an electrician.

o Do not open the body of the unit as this might result in damage

to the circuitry or cause electric shock. If a foreign object should

get into the unit, contact your dealer.

o Do not place anything, not even CDs, CD-Rs, LP records or cassette

tapes, on top of the unit. Doing so could cause damage.

o When removing the power plug from an outlet, always pull

directly on the plug; never yank on the cord itself.

a Reference clock

This shows the reference clock setting (page 16).

b Frequency mode

This shows the A and B output frequencies (page 11).

c 10MHz outputs

This shows the connectors that have output set to ON (page

16).

d Message display area

This shows output settings, setting items, messages and other

information.

Names and functions of parts (display)

A 44.1 B 22.5M 10M 1 34OCXO

A 44.1k

a b c

d

7

English

Names and functions of parts

A POWER button

Press this to turn the unit on and off.

When the unit is on, the power indicator (ring around this but-

ton) lights blue.

o When the power is turned on, the unit starts warming the

crystal oscillator (OCXO) up to its operating temperature. It

takes two minutes for the oscillator frequency to stabilize.

V

When you do not plan to use the unit for an extended

amount of time, turn the preheat (PrHEAT) setting

OFF and press the POWER button to turn the unit off.

B LOCK indicator

This shows the clock status.

This blinks when locking or preheating or when an error occurs.

It stays lit when locked completely.

The indicator color changes according to the operation mode

(MODE).

It lights green when in Adaptive Zero Ground (A.GND) mode and

lights blue when in normal (NORM) mode.

C MENU button

Press to enter setting mode (page 14).

When in setting mode, this changes the setting item.

D Remote control signal receiver

This receives signals from the remote control. When using the

remote control, point the end of it toward this receiver panel.

o This unit does not include a remote control.

o The dimmer of this unit can be adjusted using a remote con-

trol included with other Esoteric products (page 15).

E Display

This shows the output clock frequency (ordinary display), setting

screens and error messages.

o During ordinary display, if any output is on, the name and

output frequency of the one that was last set is shown.

o “A”, “B” or “10MHz” will usually appear.

“NO OUTPUT” will appear if none of these are being output.

F Frequency selection (A/B) buttons

Use these to set the clock frequency output from the CLOCK

OUT connectors (page 11).

When in setting mode, press to select a setting item (page 14).

G 10MHz button

Press this to turn the 10MHz OUT connector output on and off

(page 10).

Press when in setting mode to quit setting mode.

o Use the menu to set which 10MHz OUT connectors (1–4) to

use (page 16).

A B C D E F G

8

Making connections

V

Precautions when making connections

o After completing all other connections, plug the power plug into a power outlet.

o Read the owner’s manuals of all devices that will be connected, and follow their instructions.

o For connections other than clock sync, refer to the owner’s manuals of the other devices.

o When using separate devices, such as a CD transport and a D/A converter, input the clock signal from this unit to both.

C

A

B ED

External reference signal

generator, GPS receiver, etc.

Ref. oscillation freq.

output (10MHz OUT)

BNC coaxial cable

Grounding wire

Clock input Clock input

Super Audio CD transport,

player, etc.

D/A converter, etc.

c

Wall outlet

Included power cord

BNC coaxial cable

Connect with 10MHz OUT

connectors or CLOCK OUT

connectors.

9

English

A 10MHz OUT connectors (1–4)

These output 10MHz clock signals (sine wave, 0.5Vrms output

level, 50Ω output impedance).

Connect these 10MHz OUT connectors to the clock input con-

nectors of CD players, D/A converters and other digital devices

that support 10MHz input.

o Use the 10MHz button and the 10MHz OUT connector 1–4

output settings to set the 10MHz OUT connectors (pages

10 and 16).

B Reference frequency input (EXT IN) connector

To input a signal from an external reference signal generator

(10MHz output) or GPS receiver (10MHz output), connect the

output connector of that device to this EXT IN connector and

change the reference clock setting (page 16).

o If the output level of the external oscillator is outside the

allowable input range of this unit, it cannot be used. Refer to

the oscillator manual for information on the output level and

accuracy of the oscillator.

C CLOCK OUT connectors

These output clock signals (square wave, TTL level, 75Ω output

impedance).

Connect these CLOCK OUT connectors to the clock input con-

nectors of CD players, D/A converters and other digital devices.

o Use the A and B buttons on the front panel to change their

frequencies (page 11).

o Use the frequency mode setting (FREQ) to set the clock refer-

ence frequency (page 15).

D SIGNAL GND grounding terminal

Connecting this to the grounding terminal of a connected

digital device, amplifier or other equipment might improve the

audio quality.

o This is not an electrical safety ground.

E Power inlet (~IN)

Connect the included power cord to this socket. After complet-

ing all other connections, plug the power plug into a power

outlet.

V

Use only a genuine Esoteric power cord. Use of

other power cords could result in fire or electric

shock.

V

Disconnect the power plug from the outlet if

you will not use the unit for a long time.

Use a commercially-available BNC coaxial cable with 50Ω or

75Ω impedance for each connector.

At Esoteric, we use Esoteric MEXCEL stressfree cables for

reference.

For detailed information, access the following website.

http://www.esoteric.jp/products/esoteric/accessory/indexe.html

10

Basic operation

1 3 23 4

1 Press the POWER button to turn the unit on.

The power indicator lights blue.

o When the power is turned on, the unit starts warming the

crystal oscillator (OCXO) up to its operating temperature. It

takes two minutes for the oscillator frequency to stabilize.

V

When you do not plan to use the unit for an extended

amount of time, turn the preheat (PrHEAT) setting

OFF and press the POWER button to turn the unit off.

2 Make clock output settings.

When using the CLOCK OUT connectors

1) Set the clock reference frequency to 44.1 or 48kHz.

Press the MENU button to open the FREQ menu and use the A

and B buttons to set the frequency mode (pages 14–15).

44 (44.1kHz)

Use for playback of CDs, Super Audio CDs and other

44.1kHz sources.

48 (48kHz)

Use for playback of DVDs, DATs and other 48kHz sources.

(Some DVDs and DATs are recorded at 44.1kHz. In this

case, use the 44.1kHz setting.)

o When using only universal clock (100kHz or 10MHz),

either setting is fine.

o Only use 44EXP or 48EXP for frequencies that are not cov-

ered by the 44 and 48 modes (page 15).

2) Use the A and B buttons to set the frequencies

sent to connected devices (page 11).

When setting 10MHz OUT connectors

Press the 10MHz button to turn output on and off.

Use the menu to set which 10MHz OUT connectors (1–4) to use

(page 16).

o If you do nothing for five or more seconds, setting mode will

end and ordinary display will resume. (If DISP is set to SHORT,

this will happen after three seconds.)

3 On the connected devices, turn clock sync ON

(or set to slave mode).

Read the owner’s manual for each device for instructions on how

to set their clock sync status properly.

If you connect this unit to devices from other manufacturers, be

sure to read the manuals of those devices to confirm the clock

frequencies that they can receive.

Some devices require the clock frequency to be set to the same

value as the audio signal sampling frequency.

Some dual AES connections might require that the clock fre-

quency be set to half of the audio signal frequency.

o Due to the nature of the crystal oscillator (OCXO), continuous

operation stabilizes the precision of operation, so we recommend

turning the preheat (PrHEAT) setting ON (page 16).

o Settings are retained even when the power is turned off.

o Once settings have been made, those settings can be used when

the power is turned on again.

Set the frequency mode according to the type of disc to be

played or device being used (page 15).

11

English

Clock output frequency setting

You can set the clock frequency output from the CLOCK OUT

connectors.

o This unit has 2 pairs (A and B) of clock outputs that can be sepa-

rated further into 4 individual outputs (A1, A2, B1 and B2). You can

set the clock frequency independently for each of these outputs.

o By default, the A and B outputs are set to be used as pairs.

Setting A and B outputs by pair (default)

When you change the A setting, the output frequency is set for both

A1 and A2 simultaneously. Follow the same procedure for B.

When “A >” or “B >” appears, pressing the A or B button changes the

output frequency of that pair. Press repeatedly to cycle through the

options.

o Press and hold the A or B button for at least two seconds to set A2

or B2, respectively (See “Setting A2 or B2”).

o If you do nothing for ten or more seconds, setting mode will end

and ordinary display will resume. (If DISP is set to SHORT, this will

happen after three seconds.)

Setting A1, A2, B1 or B2

Press the A button for at least two seconds until “A2>” appears. Then,

press the A button to change the A2 setting. You can set different

clock frequencies for A1 and A2. Follow the same procedure for B.

Setting A1 or B1

When A2 is set to any value that is not the same as the A1 setting,

when “A1>” appears, press the A button to change just the A1 out-

put frequency. Follow the same procedure for B.

Setting A2 or B2

Press the A or B button for at least two seconds to set A2 or B2.

When “A2>” appears, press the A button to change just the A2 out-

put frequency. Follow the same procedure for B.

o To set A1 after setting A2, press the A button again after return-

ing to the ordinary display.

o If you set A2 to the same value as A1, “A” will appear again, and

you can set the output frequency used by both outputs in the

A pair simultaneously. Follow the same procedure for B (See

“Setting A and B outputs by pair (default)”).

12

When the frequency mode (FREQ) is set to 48:

OFF

No clock signal is output.

48kHz

48kHz clock frequency is output.

96kHz

2 × 48kHz (96kHz) clock is output.

192kHz

4 × 48kHz (192kHz) clock is output.

24.5MHz

512 × 48kHz (24.576MHz) clock is output.

100kHz

100kHz clock is output.

10MHz

10MHz clock is output.

A2 = A1

The A2 clock output matches the A1 clock output and will be

switched with the A1 setting.

This only appears for the A2 clock setting.

B2 = B1

This setting for B functions in the same way as the “A2 = A1”

setting.

Frequency setting options

The frequency setting options depend on the frequency mode

(FREQ) setting (page 15).

When the frequency mode (FREQ) is set to 44:

OFF

No clock signal is output.

44.1k

44.1kHz clock frequency is output.

88.2k

2 × 44.1kHz (88.2kHz) clock is output.

176.4k

4 × 44.1kHz (176.4kHz) clock is output.

22.5MHz

512 × 44.1kHz (22.5792MHz) clock is output.

100kHz

100kHz clock is output.

10MHz

10MHz clock is output.

A2 = A1

The A2 clock output matches the A1 clock output and will be

switched with the A1 setting.

This only appears for the A2 clock setting.

B2 = B1

This setting for B functions in the same way as the “A2 = A1”

setting.

Clock output frequency setting (continued)

13

English

When the frequency mode (FREQ) is set to 44EXP:

OFF

No clock signal is output.

44.1k

44.1kHz clock frequency is output.

88.2k

2 × 44.1kHz (88.2kHz) clock is output.

176.4k

4 × 44.1kHz (176.4kHz) clock is output.

352.8k

8 × 44.1kHz (352.8kHz) clock is output.

705.6k

16 × 44.1kHz (705.6kHz) clock is output.

1.4MHz

32 × 44.1kHz (1.4112MHz) clock is output.

2.8MHz

64 × 44.1kHz (2.8224MHz) clock is output.

5.6MHz

128 × 44.1kHz (5.6448MHz) clock is output.

11.2MHz

256 × 44.1kHz (11.2896MHz) clock is output.

22.5MHz

512 × 44.1kHz (22.5792MHz) clock is output.

100kHz

100kHz clock is output.

10MHz

10MHz clock is output.

A2 = A1

The A2 clock output matches the A1 clock output and will be

switched with the A1 setting.

This only appears for the A2 clock setting.

B2 = B1

This setting for B functions in the same way as the “A2 = A1”

setting.

When the frequency mode (FREQ) is set to 48EXP:

OFF

No clock signal is output.

48kHz

48kHz clock frequency is output.

96kHz

2 × 48kHz (96kHz) clock is output.

192kHz

4 × 48kHz (192kHz) clock is output.

384kHz

8 × 48kHz (384kHz) clock is output.

768kHz

16 × 48kHz (768kHz) clock is output.

1.5MHz

32 × 48kHz (1.536MHz) clock is output.

3.0MHz

64 × 48kHz (3.072MHz) clock is output.

6.1MHz

128 × 48kHz (6.144MHz) clock is output.

12.2MHz

256 × 48kHz (12.288MHz) clock is output.

24.5MHz

512 × 48kHz (24.576MHz) clock is output.

100kHz

100kHz clock is output.

10MHz

10MHz clock is output.

A2 = A1

The A2 clock output matches the A1 clock output and will be

switched with the A1 setting.

This only appears for the A2 clock setting.

B2 = B1

This setting for B functions in the same way as the “A2 = A1”

setting.

14

Setting mode

1 Press the MENU button.

Press the MENU button again to cycle through the setting items.

MODE>

FREQ>

DISP>

DIMMER>

PrHEAT>

10M_4>

10M_3>

10M_2>

10M_1>

MCK>

o The DIMMER item only appears when DISP is set to ON.

2 Use the A and B buttons to change the settings.

For explanations of each setting, see pages 15–16.

3 Press the 10MHz button to show the ordinary

display.

o If you do nothing for ten or more seconds, setting mode will

end and ordinary display will resume.

o When DISP is set to SHORT, after three seconds without

use the unit will exit setting mode and ordinary display will

resume (page 15).

o Settings are retained even when the power is turned off.

15

English

Display illumination time setting

DISP>***

You can set the amount of time that the clock frequency is shown on

the display to ON, LONG or SHORT.

o We recommend setting this to LONG or SHORT because display

brightness irregularities might occur if the same information is

shown without change for a long time.

ON

In this mode, the display always stays lit.

Set the brightness of the display with the dimmer setting.

LONG

When ordinary display continues without any operation being

conducted for about 20seconds, the display will automatically

turn off.

SHORT

When ordinary display continues without any operation being

conducted for about three seconds, the display will automatically

turn off.

Dimmer setting

DIMMER>***

When the display illumination time setting (DISP) is ON, you can

adjust the brightness of the unit’s display and indicators.

o You can also change this setting using the DIMMER button on

a remote control that is included with another Esoteric product

such as the P-02X, K-01X or K-03X.

3

c

2

c

1

c

0

(normal brightness)

(off)

o When set to “DIMMER>0”, the display will not be lit.

o When unlit, pressing a button will cause the display to light for a

few seconds.

o When set to a value other than “DIMMER>3”, error messages

and settings menu items will be shown at normal brightness

(“DIMMER>2”).

Operation mode setting

MODE>***

Use this to set the operation mode of the CLOCK OUT connectors.

A.GND (Adaptive Zero Ground)

The amp is used to drive the negative connector so that it

becomes 0 V.

NORM

This outputs a clock signal with normal output.

Frequency mode setting

FREQ>***

Set the clock reference frequency to 44.1kHz or 48kHz. Use an EXP

mode to increase the range of output frequency options that can be

used.

o Set the reference frequency according to the playback source.

44.1 kHz

Use for playback of CDs, Super Audio CDs and other 44.1kHz

sources.

48 kHz

Use for playback of DVDs, DATs and other 48kHz sources.

(Some DVDs and DATs are recorded at 44.1kHz. In this case,

use the 44.1kHz setting.)

o 100kHz and 10MHz can be output regardless of the selected

setting.

44

Sets the reference frequency to 44.1kHz.

The frequency can be set to 44.1, 88.2, 100 or 176.4kHz or 10 or

22.5792MHz.

48

Sets the reference frequency to 48kHz.

The frequency can be set to 48, 96, 100 or 192kHz or 10 or

24.576MHz.

44EXP

Sets the reference frequency to 44.1kHz.

The frequency can be set to 44.1, 88.2, 100, 176.4, 352.8 or

705.6kHz or 1.4112, 2.8224, 5.6448, 10, 11.2896 or 22.5792MHz.

48EXP

Sets the reference frequency to 48kHz.

The frequency can be set to 48, 96, 100, 192, 384 or 768kHz or 1.536,

3.072, 6.144, 10, 12.288 or 24.576MHz.

16

Preheating setting

PrHEAT>***

Use to turn ON/OFF preheating when the unit is off.

o Due to the nature of the crystal oscillator (OCXO), continuous

operation stabilizes the precision of operation, so we recommend

turning this ON.

OFF

The POWER button turns the crystal oscillator (OCXO) on/off with

the unit.

ON

This turns the power for the crystal oscillator (OCXO) on regardless

of the POWER button setting. This shortens the amount of time

until the oscillator stabilizes after the unit is turned on.

o When the unit power is off, clock is not output even though

the crystal oscillator (OCXO) is operating.

o If the crystal oscillator (OCXO) is always on, the unit will con-

sume considerably more power when the unit is off.

Reference clock setting

MCK>***

OCXO

The built-in crystal oscillator (OCXO) is used for the reference

clock.

EXT10M

The 10MHz reference frequency input through the reference fre-

quency input (EXT IN) connector is used for the reference clock.

10MHz OUT connector1 output setting

10M_1>***

Use to set the output for the 10MHz OUT 1 connector.

ON

This enables it.

OFF

This disables it.

10MHz OUT connector2 output setting

10M_2>***

Use to set the output for the 10MHz OUT 2 connector.

ON

This enables it.

OFF

This disables it.

10MHz OUT connector3 output setting

10M_3>***

Use to set the output for the 10MHz OUT 3 connector.

ON

This enables it.

OFF

This disables it.

10MHz OUT connector4 output setting

10M_4>***

Use to set the output for the 10MHz OUT 4 connector.

ON

This enables it.

OFF

This disables it.

Setting mode (continued)

17

English

Messages

PLL LCKING

The 10 MHz reference clock from the built-in crystal oscillator

(OCXO) or the reference frequency input (EXT IN) connector is

being locked by the internal PLL circuit.

When locking completes, this message will disappear.

o Ordinarily, only a few seconds are needed until locking com-

pletes (PLL locking time), but it can take up to a minute

depending on the operating temperature and other factors.

o If locking cannot be completed because input conditions are

not met when set to EXT10M, the message will continue to be

displayed.

Check the input reference clock specifications.

NO 10M-IN!

This appears when the reference clock is set to EXT10M and no

10MHz reference clock signal is being input to the reference fre-

quency input (EXT IN) connector.

Check the input reference clock.

When not using an external clock source, set it to OCXO (page

16).

Maintenance

Use a soft dry cloth to wipe the surface of the unit clean.

For stubborn smudges, use a damp cloth that has been thoroughly

wrung out to remove excess moisture.

V

For safety, disconnect the power plug from the

outlet before cleaning.

o Never spray liquid directly on this unit.

o Do not use chemically-treated wipes, thinner or similar substances

because they could damage the surface of the unit.

o Avoid allowing rubber or plastic materials to touch the unit for

long periods of time because they could damage the cabinet.

18

Troubleshooting

If you experience a problem with this unit, please take a moment to

review the following information before requesting service.

If this product still does not operate correctly, contact the retailer

where you purchased it.

The unit does not turn on.

e Check that the power cord is plugged into a working power

outlet.

e Check that the power cord is properly connected to this unit.

The clock output is not synchronizing another device.

e Confirm that the clock being output is supported by the

device connected to this unit. (Select a clock frequency that

the connected device can use.)

The input and synchronization of clock signals might vary

according to the device. Refer to the owner’s manual of each

device for how to connect and set them.

The desired frequency cannot be selected by pressing the A

and B buttons.

e Set the reference frequency with the frequency mode setting

(FREQ) first, and then use the A and B buttons (page 15).

Restoring factory default settings

Settings are retained even if the power plug is disconnected.

Follow these procedures to restore all settings to their factory

defaults and clear the unit’s memory.

1 Turn the unit o.

If the unit is on, press the POWER button to turn it off and wait

for more than 30seconds.

2 Press the POWER button while holding down

the MENU button.

o Release the MENU button when the unit turns on and the

display lights.

19

English

Specifications

Clock outputs

CLOCK OUT connectors

44.1kHz setting .................. 44.1, 88.2, 176.4, 352.8, 705.6kHz

1.4112, 2.8224, 5.6448, 11.2896, 22.5792MHz

48kHz setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48, 96, 192, 384, 768kHz

1.536, 3.072, 6.144, 12.288, 24.576MHz

Both settings .....................................100kHz, 10MHz

BNC connectors .................................................4

Output level .......................Rectangle wave: TTL level/75Ω

10MHz OUT connectors ......................................10MHz

BNC connectors .................................................4

Output level .........................sine wave, 0.5±0.1Vrms/50Ω

Master clock input (EXT IN)

Input frequency ............................10MHz (within ±10ppm)

BNC connector ..................................................... 1

Input level ..............................Sine wave: 0.5–1.0Vrms/50Ω

Rectangle wave: TTL level/10kΩ

OCXO (crystal oscillator)

Clock stabilization time ...........................about 5minutes

(time until oscillator stabilizes after unit turned on)

Frequency stability .............Within ±0.015ppm (0°C to +70°C)

Frequency precision ..........±0.01ppm Typ (when shipped new)

(ppm = 10

−6

)

General

Power supply

Model for Europe/Hong Kong/Korea. . . . . . .AC220–240V, 50/60Hz

Model for USA/Canada/Taiwan ...............AC110–120V, 60Hz

Power consumption ........................20W (while warming up)

15W (when stable)

Dimensions (W × H × D) (including protrusions)

445 × 107 × 359 mm (17 5/8” × 4 1/4” × 14 1/4”)

Weight .................................................11.3kg (25lb)

Operating temperature ................................+5°C to +35°C

Included accessories

Power cord × 1

Felt pads × 3

Owner’s manual (this document) × 1

Warranty card × 1

o Design and specifications are subject to change without notice.

o Weight and dimensions are approximate.

o Illustrations in this manual might differ slightly from production

models.

20

445

403

359

278

107

Dimensional drawings

Dimensions in millimeters (mm)

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