Garmin 500 Series Installation Manual page 42

4.7.2.3 COM AUDIO, VOR/ILS AUDIO
Pin Name
500Ω COM AUDIO HI
500Ω COM AUDIO LO
500Ω VOR/ILS AUDIO HI
500Ω VOR/ILS AUDIO LO
500Ω COM AUDIO and 500Ω VOR/ILS AUDIO each supply 100 mW into a 500 Ω load. These are
balanced outputs and the LO output must be connected.
500Ω 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
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 Ω. These inputs are considered inactive if either the voltage to ground is > 18.5 V or the resistance
to ground is > 100 kΩ.
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 5.2.9 for the COM calibration.
4.7.5 COM/VOR/ILS Audio Interconnect
Refer to Figure 4-19 on page 4-59 for the audio panel interconnect.
500 SERIES INSTALLATION MANUAL
P/N 190-00181-02
Connector Pin
P5002 7
P5002 19
P5006 16
P5006 17
Connector Pin
P5002 14
P5002 15
P5006 28
I/O
Out
Out
Out
Out
I/O
In
In
In
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Page Rev. B