ATR833A / P/N 833A-(xxx)-(1xx)
Operation and Installation
34
Dokument-Nr.: 01.1411.010.71e / Revision: 3.00
8
MIC-L-DYN
MLD+
Input dynamic Microphone
(Glider/Gooseneck) Pilot/Left
9
DATA-RX
RS232 RX (for Remote Control)
10
do not connect
11 +12V-PWR
+UB
Input Power 12V
12 +12V-PWR
+UB
Input Power 12V
13 GND
GND
Ground Side of Power Supply
14 MIC-R-GND
MRS−
MRD−
Ground Microphones Copilot/Right
15 PTT-L
PTTL+ Push-to-Talk Pilot/Left
(connect to ground for transmitting)
16 LSP(−)
LSP−
Output external Loudspeaker Negative
(Not identical to ground!)
17 PTT-R
PTTR+ Push-to-Talk Copilot/Right
(connect to ground for transmitting)
18 MIC-R-STD
MRS+
Input standard Microphone (in headset)
Copilot/Right
19 MIC-L-STD
MLS+
Input standard Microphone (in headset)
Pilot/Left
20 AUTO-ON
AMON Avionic-Master-On
(in aircraft with avionic master switch:
may be connected to input power supply
+12V to override on/off key)
21 DATA-GND
RS232 GND (for Remote Control)
22 DATA-TX
RS232 TX (for Remote Control)
23 LCD-LIGHT
LIGHT Input LCD Illumination
(in aircraft with 12V lighting bus: connect
there. In all other cases: connect to input
power 12V)
24 SW-12V-
OUT
Output power supply (max 200mA for
Remote Control)
25 GND
GND
Ground Side of Power Supply
