Installation
Trouble Shooting
DV14307.03 Issue 04 March 2016 Transceiver Family 620X 95
2.14. Trouble Shooting
No Intercom function.
(You can’t hear yourself when
talking into the microphone).
VOX is switched "OFF", or
adjusted to a too high value.
Adjust the VOX to a lower value. A
value of
"-15" is suitable in most
Refer to "Configuration
", page 53).
The intercom volume adjusted to
a too low value.
Adjust the intercom volume to a
higher value. A value of
"37"
produces already a quite loud
intercom signal.
" Configuration Setup",
53).
The sensitivity of the microphone
input is not sufficient. The level is
adjusted to a too high
value.
Adjust the sensitivity of the
microphone input to a lower value.
For most common avionic headsets
a setting of 50…120 mV is
sufficient.
"Configuration Setup",
53).
VOX threshold is not adjustable.
VOX is always off.
VOX is inoperative, because
speaker is on.
Switch speaker to "OFF".
Refer to
"Configuration Setup",
53).
Too high cabin noise during
intercom / transmit operation.
The sensitivity of the microphone
input is too sensitive.
Adjust the microphone sensitivity to
a higher value to ensure the cabin
noise relatively reduces.
operation and/or
"Configuration Setup",
53).
Switch Speaker "ON.
Refer to
"Configuration Setup",
53).
The noise suppression function
of the squelch is not working.
(Receiver noise is always
present).
Some avionic (especially non
ETSO/TSO approved avionic)
can produce quite high
electromagnetic interference,
which is receiving by the
AR6201
-().
Reduce the interference emitted by
the avionic around by improving
shielding, distance or grounding.
The interference may also been
suppressed by adjusting the
squelch to a higher value.
Refer to
Configuration Setup", page 53).
Note, that a higher value will cause
a reduced sensitivity.
Display shows Warning/Failure
message
.
(LOW BATT, STUCK PTT, TX
HOT, FAILURE)
Refer to "Warning and Failure
Indications
", page 113).
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