Becker Avionics
Operating Instructions
Controls and Indications
0638.420-071 Issue 06 02/2021
VHF Transceiver
15
AR6201, AR6211, RCU6201, RCU6211
AR6203, AR6213
Figure 2: Controls and Indicators
Symbol Description
Function
1
IC/SQL
(Intercom/
Squelch)
•
"Short push" during normal operation = RX -
SQL ON/OFF.
•
"Long push" during normal operation starts
the intercom menu.
2
MDE
(Mode)
•
"Short push" during normal operation
changes to the frequency selection mode.
•
"Long push" during normal operation starts
the user menu.
3
STO
(Store)
•
"Short push" during normal operation stores
the new value.
4
↨
/SCN
(Exchange/SCAN)
•
"Short push" during standard mode or scan
mode changes between preset and active
frequency.
•
"Long push" starts the scan mode.
5
Power ON/OFF +
volume
•
Turns the transceiver ON/OFF and is used to
adjust the volume level of received signals.
6
Rotary encoder
•
Turn the rotary encoder to change the
selected parameters (frequency, IC-volume,
VOX, …).
•
Push the rotary encoder to select the digits.
•
Push the rotary encoder to confirm the
adjustment.
-8/25-
Change of
channel spacing
•
Push and hold the MOD and STO key at the
same time for > 2 s to change 8.33 to 25 kHz
channel spacing and vice versa.
5
3
4
8
6
7
9
1
2
