Figure 5-11. Main Discrete I/O Page - Garmin GNS 530W Installation Manual

5.3.8 MAIN DISCRETE I/O Page
Select the MAIN DISCRETE I/O page (see Figure 5-11).
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
TER INHB
RMT RCL [1]
[1] Main software version 3.00 or later.
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
GPS SELECT
TER CAUT
TER INHB
TER N/A
TER WARN
500W Series Installation Manual
190-00357-02
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.
The box is filled in while a remote TERRAIN INHIBT switch is pressed.
The box is filled in while the COM REMOTE RECALL 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 APR 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).
The GPS SELECT output is active and inactive as selected on this page
(NOTE: This output is connected to the autopilot GPS SELECT input, not to
an annunciation, and therefore this is for bench testing purposes only).
The TER CAUT annunciator is active and inactive as selected on this page.
The TER INHB annunciator is active and inactive as selected on this page.
The TER N/A annunciator is active and inactive as selected on this page.
The TER WARN annunciator is active and inactive as selected on this page.
Figure 5-11. MAIN DISCRETE I/O
Page
Page 5-11
Rev. D