<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)
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.
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