Garmin GPS 400W, Installation Manual

Page: 71 / 212

GNS 400W Series Installation Manual Page 4-17
190-00356-08 Rev. G
4.7.2.3 COM AUDIO, VOR/ILS AUDIO
Pin Name Connector Pin I/O
500 COM AUDIO HI
P4002 7 Out
500 COM AUDIO LO
P4002 19 Out
500 VOR/ILS AUDIO HI
P4006 16 Out
500 VOR/ILS AUDIO LO
P4006 17 Out
500 COM AUDIO and 500 VOR/ILS AUDIO each supply 100 mW into a 500 load. These are
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 DISCRETE INPUTS
Pin Name Connector Pin I/O
TRANSMIT INTERLOCK P4002 14 In
COM REMOTE TRANSFER P4002 15 In
VLOC REMOTE TRANSFER P4006 28 In
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 COM/VOR/ILS Audio Configuration
None.
4.7.4 COM/VOR/ILS Audio Calibration and Checkout
Refer to Section 5.3.12 for the COM calibration.
4.7.5 COM/VOR/ILS Audio Interconnect
Refer to Figure H-19 for the audio panel interconnect.