WisyCom MTH410 Manuel utilisateur

Marque: WisyCom

Modèle: MTH410

Taper: Manuel utilisateur

MTH410 User Manual

Wideband Wireless

Professional Handheld

Transmitter

Rev.02 (rif. FW 1.30.0V)

Date: 03 January 2020

MTH410 User Manual

INTRODUCTION

MTH410 is a professional radio microphone especially designed for broadcast/high quality

applications.

MTH410 is composed by 3 detachable parts:

• MIC Head (available with cardioid/hyper-cardioid polar pattern).

• MIC Body (the below part can be open to access “Display & Setup controls” area (fig.1) and on

the back the “Batteries holder & Infrared” area (fig. 2).

• MIC Antenna, made with fibreglass reinforced housing and with a “Wireless power switch” (fig.

3). “MIC Antenna” is fastened to body with 2 anvils and a micro-connector.

Wireless power switch with

programmable LED

indication (green/red).

Open MIC Body:

Unscrew & slide down cover,

To access internal setup controls and

batteries holder & infrared.

Fig. 1 Display & Setup controls

Fig. 2 Batteries holder and infrared

Fig. 3 Wireless

power switch

Exchange head:

unscrew it counter-clockwise

MTH410 User Manual

SAFETY INSTRUCTION

 Read this safety instruction and the manual first

 Follow all instructions and information.

 Do not lose this manual.

 Do not use this apparatus under the rain or near the water.

 Do not install the apparatus near heaters or in hot environments, do not use outside the

operating temperature range.

 Do not open the apparatus, only qualified service technician are enabled to operate on it. The

apparatus needs servicing when it is not properly working or is damaged by liquids, moisture or

other objects are fallen in the apparatus.

 Use only accessories or replacement parts authorized or specified by the manufacturer.

 Clean the apparatus only with dry cloths, do not use liquids.

 Report the serial number and the purchasing date in front of the manual. It is needed to have

proper replacement parts or accessories from the manufacturer.

 When replacement parts are needed, use only replacement parts authorized from the

manufacturer. Substitution with not authorized parts could result in electric shock, hazards or

fire.

 Keep attention on all the labels with warnings or hazards on the apparatus.

LED INDICATION (POWER SWITCH)

Led indication with bicolor led (red & green) on wireless power switch (fig. 3):

• Wireless transmission status: green when RF transmission power is on (on power on the device,

this LED is red and become green when the RF transmission power is on).

 Battery status: green steady, slowly blinking (< 25%), quickly blinking (<12%)

• Modulation peak (if activated): red

 PTT status: red if active

BATTERIES

MTH410 is working with 2 AA alkaline, NiMH or Lithium batteries (select correct type on setup

controls). Battery status can be checked on internal OLED display or looking to LED status on power

switch (see LED INDICATION section) ❸.

Battery substitution:

 Open MIC body: unscrew counter-clockwise the below cover to access batteries holder;

 Take out below battery to release upper battery leverage;

 2nd battery falls down and can be remove

Attention: always replace both the batteries

MTH410 User Manual

POWERING UP

Move the wireless power switch (fig. 3) in upper position (towards MIC body) to activate wireless

transmission: the front LED ❸ lights up red and then green when the RF transmission power is on

(blinking when battery is low!)

SETUP CONTROL

Open MIC Body to access the “display and controls” area (fig. 1):

A. Graphics Display (OLED)

B. Channel selection buttons (ch)

C. MIC gain setup buttons (gain)

D. 3 position selector (up / down / click)

Fig. 4

OLED POWER UP (OLED IS IN OFF CONDITION)

Pushing down selector (click), the graphic display oled turns on.

At the beginning a <START UP> menu is displayed, then <STATUS> menu enters automatically. In

order to keep the <START UP> menu active, it is necessary to push and hold selector (click) for at

least 2 sec.

OLED POWER DOWN (OLED IS IN ON CONDITION)

Display turns off automatically after 15 sec, unless in <AUDIO> menu (with audio level < 5% from

nominal).

MTH410 User Manual

DISPLAY MENU

Using up/down selector all menus can be accessed in sequence.

* Depending on the Power Profile

STATUS

PRESET

Current

Load

FACTORY/USER/PRESET1/2/3/4/5/

6/7/8

Save

USER

TUNING

CH 00-59

GR 00-39

Freq

depend on the bandwidth of the Tx

AUDIO

AF In Gain

AF Level

-40÷40 dB (1dB step)

-54÷+26dBu (1dB step)

Phase 0/180

HP Filter flat/60/80/120/170/250/400Hz

Noise R. ENR-Wisy/ENC-Wisy

MOD Wide/Narrow

LP Filter 12/15/20kHz

RF/Battery

RF Power

10/L20/50/100mW*

Battery Alkaline/NiMH/Lithium

LED

Led Light 0÷16

Led Mode

None/ModPeak/PTT

MIC

PTT

Disable/Normal/Muting/No Data

NAME Tx Name

INFO FW/HW/SN/BW/BL/OPT

IRDA

LOCK

Preset parameters

MTH410 User Manual

down

click

Using <up/down> selector all menus can be accessed in sequence, push <click> to enter edit mode

(on the left side of the display appear “EDIT” and the selected parameter starts blinking):

<up/down> to setup field

<click> again to confirm changes and exit.

If no button is pressed, the device exits the EDIT mode and returns the

parameter as it was previously set.

<START UP> menu

These menus are displayed during power up for few seconds.

This menu gives indication on product:

- product id (MTH410),

- the firmware release (ex. 1.30.0A),

- the band in extended format and

- the serial number.

Keep selector pushed to hold this menu!

<STATUS> menu

This is the first menu displayed after power up.

Major info are displayed:

- Current channel/group (i.e. CH:03 GR:03) or Receiver’s name

(i.e. RECEIVER) if the microphone has already been synchronized

with a receiver

- Current frequency (i.e. 610 MHz)

- Mic gain (i.e. -03dB) and high pass filter (i.e. 60Hz)

- If in the top right there is “RF10”, "RF 50"or "RF 100", the

transmission is active respectively at 10, 50 or 100mW (see

RF/BATTERY menu)

- On left side, the battery bar is displayed

<PRESET> menu

This menu can be entered by scrolling selector.

MTP41 can recall configuration presets.

“FACTORY” recalls the Wisycom factory configuration.

“USER” recalls the user configuration (the transmitter configuration

is copied into the USER using the “save to” submenu).

All “USER” menus are not locked by default, thus this is quick way to

unlock features!

When the user changes some parameters from the PRESET

configuration (for less than frequency) a star appears on the top-

right corner until a save command is executed.

The other 8 configuration presets are user programmable thru the infrared and the PC interface

(using the programmer UPK 300/UPK

Mini

or the receiver MRK950/MRK960).

We provide the device with some preset configurations specifically designed for certain types of

microphone or applications (it’s possible to change these presets in any time using the TX manager).

All parameters can be “left unchanged”, “changed” or “changed and lock”, allowing a very flexible

way to pre-program MTH410 configuration.

MTH410 User Manual

<TUNING> menu

This menu can be entered by scrolling selector or using quick channel setup button (ch).

In this menu current channel/group and frequencies can be setup.

The name of the group is shown on the top right of the display.

Sync group is a quick self-settable channel synchronized by receiver

(with SYNC group, on the top right of the display is shown the name

of the synchronized receiver).

Use the selector to change values (<+/->) and <click> to confirm.

Using quick channel setup buttons (<CH>), it is possible to enter

quickly in the tuning menu. Note that the menu has a different

layout (see the side image)

<AUDIO> menu

This menu can be entered by scrolling selector or using quick gain setup button (gain).

The sensitivity of the audio input is settable between “AF Gain”

(measured in dB) or “AF Level” (measured in dBu).

To help proper audio gain setting, an audio bar is supplied (with

maximum peak indicator) indicating the headroom to audio peak

(0 dB , nominal deviation 40KHz). Set the gain, with the maximum

input signal, avoiding the peak on the audio bar.

TRY TO SETUP TO HAVE A MAX PEAK HOLD BAR CLOSE TO -6dB.

Using quick gain setup buttons (<GAIN>), it is possible to enter

quickly in the audio gain menu. Note that the menu has a different

layout (see the side image)

The second <AUDIO> menu allows to set:

- audio phase (0° or 180°)

- High Pass filter (Flat, 60, 80, 120, 170, 250, 400 Hz)

The third <AUDIO> menu allows to set the noise reduction:

 ENR-Wisy: designed for maximum noise reduction

 ENC-Wisy: designed for maximum audio fidelity (use this in

case of special vocal application or to remote instruments)

MODULATION / LP FILTER

Use this menu to set the type of modulation and the audio low

pass filter.

Setting Wideband modulation, FM peak deviation is ±56kHz and

the audio filter can be set 12/15/20kHz.

Setting Narrowband modulation, FM peak deviation is ±35kHz

and the audio filter can be set 12/15kHz.

NOTE: MTH410 passes type of modulation (Wide/Narrow) to

Wisycom receivers MPR52/MRK980 during the SYNC process. In

this way the receiver MPR52/MRK980 automatically adapt the

filter setting.

MTH410 User Manual

<RF/BATTERY> menu

This menu can be entered by scrolling selector.

RF power can be setup to 10mW, 20mW, 50 mW or 100mW

(depending on the Power profile).

If it’s selected “10mW”, in the top right on the STATUS menu

appear “RF10”.

If it’s selected “50mW”, in the top right on the STATUS menu

appear “RF50”.

If it’s selected “100mW”, in the top right on the STATUS menu

appear “RF100”.

Battery type can be setup in Alkaline, NiMH or Lithium.

<LED> menu

This menu can be entered by scrolling selector.

Power switch green LED brightness can be setup → Led light (from

0 to 16).

Led Mode setting define when the LED on the power switch (see

Fig. 3) have to become RED:

- None: never,

- ModPeak: when audio get close to saturation)

- PTT: when the PTT button is pushed

<MIC> menu

This menu can be entered by scrolling selector.

4 different PTT mode can be selected: Disable, Normal, Muting,

No Data.

<NAME> menu

This menu can be entered by scrolling selector.

In this menu it’s possible to see the frequency set on the device

and the name of the transmitter.

It’s possible to enter on this menu also pressing at the same time

the CH/GAIN buttons ( B + C )

<INFO> menu

This menu can be entered by scrolling selector.

In this menu it’s possible to see:

- FW version

- HW version

- Serial number

- Bandwidth

- Bootloader version

- Option

MTH410 User Manual

<IRDA> menu

This menu can be entered by scrolling selector.

While there is this menu, the device can be connected to IRDA for

setup or firmware upgrades.

Note: if the IRDA interface is enabled and there’s no

communication for around 10 seconds, the IRDA interface is

automatically turned off.

On power on the device, the IRDA interface is enabled for 14 seconds.

<LOCK> menu

This menu can be entered by scrolling selector.

Long pressing (2 sec.) selector button (click) it locks MTH410 in

transmission mode. To unlock, long pressing (2 sec.) selector

button again.

<BOOTLOAD> menu

This menu can be entered by turning on the transmitter while pushing at the same time the quick

channel setup button <CH> or connecting the device via IRDA using the IR Programmer for FW

update

Device is forced in bootloader mode to allow FIRMWARE UPDATE.

MTH410 User Manual

The following table sums up which parameters can be set and the related range settings.

PARAMETER

MEANING

RANGE SETTINGS

TUNING

Channel

0 ÷ 59

Group

0 ÷ 39 + SYNC GROUP

Freq

Frequency

It depends on the MTH410 Model:

See technical spec. and variants for further

details

AUDIO

AF Gain

AF Level

Gain of the

audio signal

-40dB ÷ +40dB step of 1dB

-54dBu ÷ +26dBu step of 1dBu

Phase

Audio signal

phase

0° or 180°

High Pass filter

Flat/60/80/120/170/250/400 Hz

Noise R.

Noise reduction

ENR: Wisycom Extended-NR, noise optimized

ENC: Wisycom Extended-NC, voice optimized

MOD

Modulation

WB wideband / NB narrowband

LP Filter

Audio Low Pass

Filter

12/15/20kHz

RF/BATTERY

RF Power

10mW or 20mW or 50mW or 100mW

(depending on the power profile)

Battery

Battery type

Alkaline, NiMH or Lithium

LED

Led Light

Power switch

green

brightness

0 ÷ 16

Led Mode

It defines when

the power

switch led (see

Fig. 3) has to

become RED

None: never

ModPeak: when audio get close to saturation

PTT: when the PTT button is pushed

MIC

PTT Mode

It defines how

and what

information the

transmitter has

to send

Disable: when the PTT button is pushed, nothing

happen. (the transmitter sends AF+Tone

squelch)

Normal: when the PTT button is pushed, the

transmitter send a different RF signal. According

to the receiver configuration the audio can be

enabled/disable on LINE (and/or COM).

Muting: the transmitter doesn’t send the audio.

The voice is cut, it doesn’t enter to the

microphone

No Data: the transmitter sends neither tone

squelch nor battery data.

MTH410 User Manual

HOW TO USE WISYCOM TX MANAGER (V.1.1.15 OR ABOVE)

Wisycom TX Manager allows to read, modify and update the configuration of Wisycom transmitters.

It is necessary to

 connected the programmer UPK300E/UPKMini or the receiver MRK950/MRK960 to the PC

thru USB connection

 run the Wisycom TX Manager

 enable the IRDA communication on the transmitter (see IRDA menu)

NOTE: Wisycom IR Programmer doesn’t work whit MRK950/MRK960 if it is connected to the PC

using an Ethernet cable.

The Wisycom IR Programmer’s window is divided in 4 parts (see the image below):

❶Interface and Device panel contains all the major information of the connected device

❷Current Settings panel shows the current configuration. Thanks the PRESET panel, a previous

saved configuration can be chosen and loaded like current setting.

❸Tuning Frequencies panel allows to handle Groups, Channels and Frequencies

❹Presets panel allows to read, change and save different configurations

❶

❷

❸

❹

MTH410 User Manual

10 different configurations are available:

• FACTORY configuration is a locked configuration: no parameter can be changed.

 USER configuration is the only configuration that can be saved using the OLED display (see

<PRESET> menu). Note: It is not possible to change the name of this configuration.

 Other 8 configurations where the user can change both the name and the values of all

parameters.

INTERFACE AND DEVICE PANEL (❶)

At the beginning, the program checks which IR devices are detected and they appears on the

Interface panel.

The user has to select the device and push <connect> button in order to open the communication

with the IR device. A picture on the top in the Interface panel help the user in this selection showing

the type of devices detected. During this process the “IR activity” led blinks to indicate that the

program wait connection’s answer from the IR device.

A successful connection is signaled with the “interface connection” green led, while a failed

connection is signaled with the “communication error” led.

Once a supported device is found, the software automatically reads all the data related to the

remote configuration, as well as the frequencies that are pre-programmed.

Firstly, in order to avoid unwanted operation, no parameters can be changes and the EDIT button,

presents on the bottom of Device panel, is yellow and set to LOCKED state. Pushing the EDIT

button, it becomes grey and sets to UNLOCKED state to indicate that the configurations can be

modified.

In this panel it’s possible to assign a name to the TX (not available for FW v.1.22.0F or previous).

Under this parameter, there is a flag to hide the info menu on the TX (not available for FW v.1.22.0F

or previous)

CURRENT SETTINGS PANEL (❷)

In the Current Settings panel the user can

 with Preset panel → load one of the 10 available configurations

 with other panels → modify all the configuration’s parameters (the same that are

changeable in the OLED display). Each parameter can be locked or hidden clicking the

related lock/hidden button, so the set value cannot be changed next or cannot be visible on

the OLED display.

ATTENTION: All the modifies applied to the Current Settings panel are instantaneous: they are

MTH410 User Manual

applied directly to the device and save in its memory but no saved in the preset configuration.

TUNING FREQUENCIES PANEL (❸)

With the Tuning Frequencies panel the user can select a frequencies group (0÷39) and for each one

execute the following operations:

- modify the Group’s Name

- lock and/or hidden the group

- for each channel (0 ÷59) of the selected group: change the frequency value and the

related status (locked/hidden) (in the center grid frequency)

The SAVE button, at the top of the panel, save

the changes of the group selected (name

group, lock/hidden group).

To change a frequency

value for a specific

channel: double click

on the grid frequency

panel (row=channel’s

number), insert the

new frequency value

and press OK button.

To lock/hide a specific channel,

double click on the grid frequency

panel.

NOTE: keeping pressed the CTRL button on the keyboard and clicking the wanted channel/group

shown on the frequencies grid, the tuning process is executed. It is equivalent to configure the

Tuning in the Current Settings panel but it is easier. The device is re-tuned immediately, so be sure

that the RF power is turned off while changing frequencies with other RF systems in use around you!

MTH410 User Manual

If the currently tuned channel is on the same group that is listed on the grid, the background color of

the related cell (channel) on the grid becomes yellow.

Using the LOAD/SAVE button, at the bottom of the panel, it is possible to load/save the frequencies

for the selected group from/to a .wdf file. To save the frequencies of all the groups click to the

related button above. The legacy option save the channels without the hidden/lock info.

MTH410 User Manual

PRESETS PANEL (❹)

The Preset panel allows to manage all the 10s available configurations.

For each configuration it is possible to set the name and all the parameters value except for

FACTORY and USER configurations (see table below).

PRESETS:

NAME*

LOCK/DON’T CARE

PARAMETERS

VALUE

FACTORY

USER

√

OTHERS

√

√=change is allowed

* Be careful to write a meaningful name for the preset because the name will appear on the settings

list of the device menu! Please, avoid empty names.

If a parameter is “locked”, it cannot be modified by device menu (using OLED display), while if “don’t

care” propriety is active, when the user load the configuration, the parameter’s value doesn’t

changed.

ATTENTION: Changes are applied only after a “save” action.

NOTE: “a trick” In case of the user have a locked parameter and he is in great need for modify it, he

can save the configuration to USER configuration by OLED (see PRESET menu) and then load the

USER configuration (in this way all the parameters have the lock propriety disable and the user can

modify all the parameters).

FILE MENU

Using a file menu at the top left of the

panel it is possible to load/save all the

configuration values of the device

to/from a .wcf file (Wisycom

Configuration File).

Save a .wcf file

With an infrared device correctly connected, select File->Save User Configuration and select the

destination file.

Load a .wcf file

To load a user configuration select File->Load User Configuration and select a previously saved data

file; a form will be shown, where it's possible to select which data has to be restored and which

skipped. This allow the user to load a particular configuration while keeping other data.

MTH410 User Manual

TECHNICAL SPECIFICATIONS

Frequency ranges

B7 option: 470 ÷ 663 MHz

B3 option: 510 ÷ 698 MHz

B2 option: 566 ÷ 798 MHz

B8 option: 940 ÷ 960 MHz

B6 option: 960 ÷ 1160 MHz

B9 option: 1240 ÷ 1260 MHz

Switchable channels

2400 managed in 40 groups of 60 frequencies completely user customizable

Switching-window

Up to 232 MHz, depending on band (see Variants below)

Frequencies

Quartz PLL frequency synthesizer circuit (25 kHz step)

Frequency error

± 2.5 ppm, in the rated temperature range

RF Power

switchable typ. 10 or 20 mW / 20L mW / 50 mW /100 mW

note: in some countries high power can be disabled, for local norm!

Modulation

Wideband/Narrowband FM, with pre-emphasis

Nominal deviation

±40 kHz Wideband, ±25 kHz Narrowband

Peak deviation

±56 kHz Wideband, ±35 kHz Narrowband

Spurious emissions

< 2 nW

Telemetry feature

TX transmits also a digitally modulated sub-carrier, suitable for:

▪ tone-squelch operating

▪ remote battery monitoring

▪ optional PTT (push to talk) operation

Noise Reduction

system

ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimized

ENC (Wisycom Extended-NC), with independent Attack- and Recovery-time, voice optimized & with

reduced pre-emphasys

AF bandwidth

45 Hz ÷ 21 KHz (3dB), 55 Hz ÷ 20 KHz (1dB) Wideband with LPF at 20kHz

45 Hz ÷ 17 KHz (3dB), 55 Hz ÷ 15 KHz (1dB) Narrowband with LPF at 15kHz

Distortion

< 0.3 % (0.15 % typ.)

SND/D ratio

(Analogue)

typ. 115 dB (A)rms with 40 kHz deviation, typ. 121 dB (A)rms with 56 kHz deviation Wideband

typ. 115 dB (A)rms with 25 kHz deviation, typ. 121 dB (A)rms with 35 kHz deviation Narrowband

Audio input connector

directly interchangeable microphone-heads

Audio input level

60 dB adjustable range from -54 to +6 dBu at peak deviation (1 kHz), adj. in 1 dB steps

Max input level

+6 dBu

Max sound pressure

150 dB SPL (0,5% THD), with MCM30x condenser-heads

Managing interface

IrDA

LED

bicolor led (red & green) on wireless power switch:

▪ Wireless transmission status: GREEN on/off

▪ Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)

▪ Modulation peek (if activated): RED

▪ Ptt status: RED if active

Battery lifetime

indication

8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%)

and “empty bar” quickly blinking (12% remaining)

PTT function

with optional PTT accessory

Display

High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)

Power supply

2 AA size cell (Alkaline, rechargeable NiMH or Lithium)

Power consumption

230mA@3V average (display off, 100mW power)

Battery life

with Alkaline:

up to 14 hours @ 10mW, approx. 12 hours @ 20mW, approx. 10 hours @ 50mW ,

approx. 7 hours @ 100mW or @ 20mW Intermod Free “20L” level

with Lithium: approx. 7 hours @ 100mW

Temperature range

-10 ÷ +55 °C

Dimensions

183 x 33 mm (length x diameter) without microphone-head

Weight

Approx. 150g only body, 280 g with head MCM306, 330g with head MCM306 and batteries

MTH410 User Manual

VARIANTS:

▪ POWER PROFILE & COUNTRY

FREQUENCY RANGE:

EU max power 50mW (Europe)

EUX max power 100mW* (Europe)

USX max power 100mW (USA & Canada)

US8 max power 100mW (USA & Canada)

JP max power 10/50mW (Japan)

▪ COLOR

BL body color black

PV body color titanium grey

▪ FREQUENCY RANGE

B7 470-663 MHz B8 940-960 MHz

B3 510-698 MHz B6 960-1160 MHz

B2 566-798 MHz B9 1240-1260 MHz

Note: unit is mm

For the commercial code, see in the Variants area of the Products on our website

MTH410 User Manual

Compliance

Model

In Compliance with

Max Power

Country

MTH410-EU

EN 301 489-1/-9

EN 600065

EN 300 422-1/-2

50mW

Europe

MTH410-EUX

EN 301 489-1/-9

EN 600065

EN 300 422-1/-2

EN 300 454-1/-2

100mW*

Europe

MTH410-USX

PART 74

FCC-ID: POUMTH400USX

RSS-123, RSS-102

IC: 11967A-MTH400USX

Limited to 663MHz

100mW

USA, Canada

MTH410-US8

PART 74

FCC-ID: POUMTH410US8

RSS-123, RSS-102

IC: 11967A-MTH410US8

Limited to

941.50-952.00MHz,

952.85-956.25MHz,

956.45-959.85MHz

100mW

USA, Canada

MTH410-NZ

EN 300 422-1/-2

EN 300 454-1/-2

Limited to the range

502÷698MHz

100mW

New Zealand

* MTH410-EUX is not an SRD device, it requires specific authorization by your local frequency authority! Note:

The above technical specifications refer to the MTH410 “transmitter” section. The acoustic specs are relevant to

the microphone-head used. The MTH410 transmitter complies with ETSI 300 422.

Before putting the device into operation, please

observe the respective country-specific regulations!

MTH410 User Manual

MANUFACTURER DECLARATIONS

In compliance with the following requirements

 RoHS Directive (2002/95/EC)

 WEEE Directive (2002/96/EC)

Please dispose of the diversity transmitter at the end of its operational lifetime

by taking it to your local collection point or recycling center for such

equipment

 Battery Directive (2006/66/EC)

The supplier batteries or rechargeable batteries can be recycled. Please

dispose of them as special waste or return them to your specialist dealer. In

order to protect the environment, only dispose of exhausted batteries.

FCC Conformity

This device complies with Part 74 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 operations.

Changes or modification not expressly approved by the party responsible for compliance could void

the user’s authority to operate the equipment.

FCC ID can be found near the battery compartment (unscrew & slide down the cover).

FCC ID: POUMTH400USX option USX

FCC ID: POUMTH400US8 option US8

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WisyCom MTH410 Manuel utilisateur

Marque: WisyCom

Modèle: MTH410

Taper: Manuel utilisateur

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