Figure 5-6. Main Discrete I/O Page - Garmin 500 Series Installation Manual

5.2.7 MAIN DISCRETE I/O Page
Select the MAIN DISCRETE I/O Page (see Figure 5-
6).
GRAY CODE
If the encoding altimeter input is used, verify that the
DECODED ALTITUDE field indicates the correct
altitude.
EXTERNAL SWITCH STATE
This allows you to verify the operation of any external
switches that are present in the installation.
Selection
RMT CDI
RMT OBS
DISCRETE TOGGLE
This allows you to verify the operation of any external annunciators that are present in the installation.
Selection
APR
GPS
INTEG
MSG
OBS
TERM
VLOC
WPT
ILS/GPS APR
500 SERIES INSTALLATION MANUAL
P/N 190-00181-02
Verify That:
The box is filled in while a remote CDI source select switch is pressed.
The box is filled in while a remote OBS switch is pressed.
Verify That:
The APR annunciator is active and inactive as selected on this page.
The GPS source select annunciator is active and inactive as selected on this
page.
The INTEG annunciator is active and inactive as selected on this page.
The MSG annunciator is active and inactive as selected on this page.
The OBS annunciator is active and inactive as selected on this page.
The TERM annunciator is active and inactive as selected on this page.
The VLOC source select annunciator is active and inactive as selected on this
page.
The WPT annunciator is active and inactive as selected on this page.
The ILS/GPS APPROACH output is active and inactive as selected on this
page (NOTE: This output is connected to the autopilot ILS ENGAGE input,
not to an annunciation, and therefore this is for bench testing purposes only).
Figure 5-6.
MAIN DISCRETE I/O Page
Page 5-7
Page Rev. B