Garmin GNC 420, Руководство по установке

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400 SERIES INSTALLATION MANUAL Page 4-15
190-00140-02 Rev Q
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 discrete 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 V
DC
.
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 5.2.11 for the COM calibration.
4.7.5 COM/VOR/ILS Audio Interconnect
Refer to Figure F-28 on page F-57 for the audio panel interconnect.