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Page 4-22
GNS 400W Series Maintenance Manual
Rev. A
190-00356-05
13
4 OHM AUDIO
OUTPUT HI
O -----
14 TRANSMIT
INTERLOCK
I
This input reduces the comm radio receiver sensitivity
when it is less than 3 volts or the resistance to ground
less than 100 ohms. This input is intended to reduce
transmitter to receiver interference in a dual radio
installation.
15 COMM
REMOTE
TRANSFER
I
This input switches between the active and standby
frequencies when a signal less than 3 volts or a
resistance to ground of less than 100 ohms is present.
16 SPARE
-----
17
INTERCOM MIC LO
I
Ground
18
COMM MIC AUDIO
LO
I Ground
19
COMM AUDIO LO
O
Floating
20
COMM AUDIO IN LO
I
Ground
21 GROUND
I Ground
22 GROUND
I Ground
23
NAV AUDIO IN LO
I
Ground
24
AUX AUDIO IN LO
I
Ground
25
4 OHM AUDIO
OUTPUT LO
O Ground
