Wisycom MTH400 User Manual

MTH400 User Manual

Wideband Wireless

Professional Handeld

Transmitter

SN: ________________

Rev.01 (rif. FW 1.10.0I)

Author: Support

Date: 18 September 2013

MTP40

MTH400 User Manual

Rev.01

2

Wireless power switch with

indication (green/red).

Open MIC Body:

batteries holder & infrared.

Fig. 1 Display & Setup controls

Fig. 2 Batteries holder and infrared

Fig. 3 Wireless

Exchange head:

1

2

3

INTRODUCTION

MTH400 is a professional radio microphone especially designed for broadcast/high quality
applications.

MTH400 is composed by 3 detachable parts:

• MIC Head (available with cardioid/hypercardiod 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.

Unscrew & slide down cover,
To access internal setup controls
and

unscrew it counter-clockwise

programmable LED

power switch

MTH400 User Manual

Rev.01

3

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

• Modulation peak (if activated): red
 PTT status: red if active

BATTERIES

MTH400 is working with 2 AA alkaline or NiMH 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).

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

MTH400 User Manual

Rev.01

4

- Model (MTH400)

- Band (ex. 1)

1

470-640

2

566-798

- Hardware revision (ex. 01)

- Firmware version (ex. 110 0E)

- Band in extended format (ex. 566-798

- Serial number (ex. R3827484)

A
C B D

POWERING UP

Move the wireless power switch (fig. 3) in upper position (towards MIC body) to activate
wireless transmission: a green LED lights up (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 <BOOT> menu is displayed, then <STATUS> menu enters automatically. In
order to keep the <BOOT> menu active, it is necessary to push and hold selector (click) for at
least 2 sec.

<BOOT> menu

In the <BOOT> menu it is possible to found information regarding the Hardware and Firmware.

MTH400 User Manual

Rev.01

5

Major info are displayed:

- Current channel/group (i.e. CH:00 GR:1) or

Receiver’s name (i.e. RECEIVER) if the microphone

has already been synchronized with a receiver

- Current frequency (i.e. 606 MHz)

- Mic gain (i.e. -20dB) and high pass filter (i.e. Flat)

- RF active, top right label RF (if present RF is on)

This menu allows to load a PRESET configuration,
modify the desired parameters (using the next
menus) and save the new configuration to the USER
configuration.
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.

In this menu current channel/group and frequencies
can be setup. Sync group is a quick self settable
channel synchronized from receiver.

OLED POWER DOWN (OLED IS IN ON CONDITION)

Pushing and holding selector (click) > 2 sec, display is turned off.

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

DISPLAY MENU

Setup menu are accessed in sequence:

 <STATUS>  <PRESET>  <TUNING>  <AUDIO>  <AUDIO>  <RF/BATTERY> 
< PTT/LED>  <IRDA>  <LOCK> 

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

<STATUS> menu

This is the first menu displayed after power up.

<PRESET> menu

This menu can be entered by scrolling selector.

<TUNING> menu

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

MTH400 User Manual

Rev.01

6

The first AUDIO menu allows to set the AF Gain from

-20dB to 40dB. To help proper audio gain setting, an
audio bar is supplied (with peak hold bar)  TRY TO

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

The second <AUDIO> menu allows to set: - audio
phase (0° or 180°)

-Noise reduction (ENR-Wisy noise optimized or ENC-
Wisy hi fidelity/voice optimized)

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

RF power can be setup to High (50 mW ERP) or Low
(10 mW ERP).
Battery type can be setup in Alkaline or NiMH.

Power switch green LED brightness can be setup →
Led light (from 0 to 16).
4 different PTT mode can be selected: Disable,
Normal, Muting, No Data.
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

By this menu, MIC can be connected to IRDA for
setup or firmware upgrades.

Long pressing (2 sec.) selector button (click) it locks
MTH400 in transmission mode. To unlock, long
pressing (2 sec.) selector button again.

<AUDIO> menu

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

NOTE: while in this menu display is not automatically turned off.

<RF/BATTERY> menu

This menu can be entered by scrolling selector.

<PTT/LED> menu

This menu can be entered by scrolling selector.

<IRDA> menu

This menu can be entered by scrolling selector.

NOTE: while in this menu display is not automatically turned off.

<LOCK> menu

This menu can be entered by scrolling selector.