Becker Avionics
Operation
Transceiver Operation
DV64440.03 Issue 09 November 2019
ACU6100
53
Transmission on TX-Channels
Transmission on TX-Channels
•
Push and hold the PTT switch (on panel or external) on TX position to
start the transmission mode.
o
The LED of the related channel knob flashes.
•
If a TX-channel LED flashes before the transmission has started then the
channel is already taken for transmission (PTT) by another user.
During transmission:
•
The related TX-channel LED flashes for all users which have this channel
on the display.
•
The related TX-channel LED flashes while a user transmits.
•
In dual- or multi TX-mode, all selected TX-channel LEDs flash while the
user transmits.
•
During transmission, all received signals, are muted (depends on
configuration*).
•
Only warning tones which have been programmed as essential are
audible during transmission (depends on configuration*).
•
If a loudspeaker is connected it will be muted to prevent acoustic
feedback to the microphone.
•
A sidetone is audible the volume is adjusted in the installation setup.
After PTT release:
•
The transceiver turns back to receive mode.
•
The related channel LED is on.
•
All previously selected signals, intercom and warning tones are
continued.
•
If the loudspeaker was muted, it is on again.
*For more information refer to the software manual "CSW6100... "(www.becker-
avionics.com/downloads/ → Intercom).
Figure 23: Operation - Transmission on TX1
