Panel Illumination; “Auxiliary” Audio Input; /Ptt (Press To Talk); Ic (External Intercom Key) - Becker AR6201 Installation And Operation Manual

Panel Illumination

Pin No. AR6201 Pin Name
P1-10 ILL_LO
P1-23 ILL_HI
The VHF transceiver
display. In the
illumination is controlled via the front panel or externally via pins
P1-10/P1-23.
Connect ILL_LO (pin P1-10) to aircraft ground. Connect ILL_HI (pin P1-
23) to dimming bus.
"Auxiliary" Audio Input
Pin No. AR6201 Pin Name
P1-4 AF_AUX_IN_HI
P1-21 AF_AUX_IN_LO
The AF auxiliary input enables to connect an external audio source (NAV,
music-player ...) to the transceiver. The external audio is audible only
when transceiver is in Receive Mode. The sensitivity can be adjusted in
the Installation Setup from 50 mV to 8 V. The input impedance of this
input is 600 Ohm.

/PTT (Press To Talk)

Pin No. AR6201 Pin Name
P1-17 /PTT
If pin 17 is connected to ground the transceiver changes to transmission
Mode.
This input has an internal pull up and is LO active with max. 1 mA.

IC (External Intercom Key)

Pin No. AR6201 Pin Name
P1-7 IC
DV 14300.03/.04 Issue 5 5/2013
AR6201-(X0X)
Direction
IN
IN
provides illumination
Installation Setup
Direction
IN
-
Direction
IN
Direction
IN
Function
Illumination (LO)
Illumination (HI)
for push-button
it can be configured
Function
Auxiliary audio (HI)
Auxiliary audio LO (ground/return)
Function
Press To Talk key input
LO active - closed contact to GND
Function
Intercom key input;
LO active - closed contact to GND
and LCD
if this
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