Garmin GPS 400W Installation Manual page 75

4.7.2.3 C OM AUDIO, VOR/ILS AUDIO
2 4 0 B
500 COM AUDIO HI
500 COM AUDIO LO
500 VOR/ILS AUDIO HI
500 VOR/ILS AUDIO LO
500 COM AUDIO and 500 VOR/ILS AUDIO each supply 100 mW into a 500
balanced outputs and the LO output must be connected.
500 COM AUDIO is the summation of the COM receiver audio, COM sidetone audio, and
INTERCOM MIC audio.
4.7.2.4 D ISCRETE INPUTS
2 4 1 B
TRANSMIT INTERLOCK
COM REMOTE TRANSFER
VLOC REMOTE TRANSFER
These inputs are considered active if either the voltage to ground is < 1.9 V or the resistance to ground is
< 375 . These inputs are considered inactive if the voltage to ground is 11-33 VDC.
COM REMOTE TRANSFER and VLOC REMOTE TRANSFER are momentary inputs.
4.7.3 C OM/VOR/ILS Audio Configuration
1 3 6 B
None.
4.7.4 C OM/VOR/ILS Audio Calibration and Checkout
1 3 7 B
Refer to Section 5 .3.12 for the COM calibration.
4 0 5 H
4.7.5 C OM/VOR/ILS Audio Interconnect
1 3 8 B
Refer to F igure H-19 for the audio panel interconnect.
4 0 6 H
400W Series Installation Manual
190-00356-02
Pin Name
Pin Name
Connector Pin
P4002 7
P4002 19
P4006 16
P4006 17
load. These are
Connector Pin
P4002 14
P4002 15
P4006 28
I/O
Out
Out
Out
Out
I/O
In
In
In
Page 4-17
Rev. F