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j. Microphone connector
Connect the supplied microphone to this connector.
Below are the pin assignments of the connector.
Rear Panel
AOR,LTD.
k
1.
Speaker output -- Monitor output signal is present at this pin.
2.
BIAS -- Power source for an electret condenser type of microphone.
5V DC through 2.2Kohm of resistor
3.
GND -- Chassis ground
4.
TX
T aking this pin to the ground will enable the transmit mode.
(Same operation as the TX switch on the front panel.)
5.
D/A
T aking this pin to the ground will force the unit to the digital voice communication
mode. When this pin is left open, the operation mode will be set by the mode
switch on the front panel.
6.
MIC PTT -- PTT (Push T o T alk) input.
7.
MIC GND -- Microphone ground signal
8.
MIC IN -- Microphone signal input
VIDEO
IN
OUT
l
m
OUT
RADIO
o
n
8
‑
+
SP
IN
DC IN
p
q
r
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