AR6201-(X0X)
DV 14300.03/.04 Issue 5 5/2013 Page 2-7
Panel Illumination
Pin No. AR6201 Pin Name Direction Function
P1-10 ILL_LO IN Illumination (LO)
P1-23 ILL_HI IN Illumination (HI)
The VHF transceiver provides illumination for push-button and LCD
display. In the Installation Setup it can be configured if this
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 Direction Function
P1-4 AF_AUX_IN_HI IN Auxiliary audio (HI)
P1-21 AF_AUX_IN_LO - Auxiliary audio LO (ground/return)
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 Direction Function
P1-17 /PTT IN Press To Talk key input
LO active - closed contact to GND
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 Direction Function
P1-7 IC IN Intercom key input;
LO active - closed contact to GND