Operating Instructions
Becker Avionics
32
VHF Transceiver 0638.420-071 Issue 06 02/2021
•
The intercom operation can be started externally with an
intercom switch.
o
The external intercom switch has priority.
o
During intercom operation the speaker output is disabled.
•
The speaker always enabled (depends on wiring and
configuration).
•
To enable/disable the speaker it is necessary to change to the
configuration (CFG1, CFG2*) with the related adjustment for
the speaker.
o
An external mike switch is necessary to change between
the configurations CFG1 and CFG2.
•
When the speaker is enabled and not muted, the display will
show the loudspeaker symbol.
•
When the speaker is enabled and not muted.
o
VOX is forced "OFF".
o
Start of the intercom with VOX is not possible.
•
In transmission mode the speaker output is muted ("OFF"), if:
o
The intercom is started with the external intercom switch.
o
The power supply voltage is < 10 V.
* For details please refer to related manual:
http://www.becker-avionics.com/manuals/
→
VHF Transceiver
During normal operation in one of the frequency selection modes these menus are
available:
•
The user menu,
it is for adjustments of panel brightness and squelch threshold.
•
The intercom menu,
it is for adjustments of intercom volume and VOX threshold.
118.005
127.000
IC
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