Installation
Configuration Setup
62 Transceiver Family 620X DV14307.03 Issue 04 March 2016
20 dB 150 mV
VU
STD1 MIKE SENS
Note: This page is only
displayed if :
Standard Mike 2 input is
selected in IN/OUT CFG1
and MIKE_SW input pin
status is [Inactive]
or
Standard Mike 2 input is
selected in IN/OUT CFG2
and MIKE_SW input pin
status is [Active].
The factory setting is 110 mV.
The VU meter displays the current signal level on the audio input and
also displays the highest signal value for the last 3 seconds.
When speaking normally into the microphone the bar graph should
remain within the recommended predefined range
Note: Adjust the microphone sensitivity by keeping the cockpit
noise suppression as high as possible, this will ensure correct
modulation.
If the sensitivity is adjusted to a smaller value (e.g. 10 mV) the cockpit
noises may become louder than for a higher adjustment (e.g. 100 mV).
Otherwise, adjusting the sensitivity to a very high value (e.g. 1000 mV),
the cockpit noise is very much reduced, but the modulation of the
transmitter might be not sufficient.
The installer shall perform a communication check after modification of
this parameter. Recommended is to perform this check with and without
a running engine.
Note: Menu available on primary controller.
For installations with high interferences it is recommended to use
sensitivity level 27...1500 mV.
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