Microphone level
Factory Default: 0
This function allows adjustment of
microphone level. A bargraph is provided to
assist in adjustment to the correct level. The
level is correct when the bargraph remains
between about ½ and ¾ of the full range
while speaking normally into the
microphone, with excursions all the way to
the right only during the loudest parts of speech.
NB: For a single microphone, the level shown by the bargraph is for the Pilot
microphone input ONLY. No level is shown for the passenger microphone.
The adjustment affects all microphones equally.
Correct adjustment of this level is important. It affects operation of the
ambient noise suppression system and the modulation level of the
transmitter.
NB: By design the transmitter cannot be over-modulated if levels are set too
high. However, sound quality of the transmitted signal may suffer.
Using independent level settings for pilot and passenger microphone
circuits:
A function is available in the Second Level Menu to enable independent
adjustments for all four microphone circuits.
If enabled, each microphone has a separate screen for level adjustment.
15
Annunciator showing
microphone selected
for adjustment
Bargraph - indicating
correct MIC level
between ½ and ¾
during normal speech
Reference number
indicates selected level.
Flashes when selection
can be adjusted
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