Garmin GNC 420AW Installation Manual - page 93
400W Series Installation Manual
Page 5-13
190-00356-02
Rev. F
5.3.9
162B
MAIN DISCRETE INPUTS Page
Select the MAIN DISCRETE INPUTS Page (see
431H
Figure
5-12) if the encoding altimeter input is used. Verify that
the DECODED ALTITUDE field indicates the correct
altitude.
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 Verify
That:
RMT OBS
The box is filled in while a remote OBS switch is pressed.
RMT CDI
The box is filled in while a remote CDI source select switch is pressed.
RMT RCL [1]
The box is filled in while the COM remote recall switch is pressed.
[1] Main software version 3.00 or later
5.3.10
163B
MAIN DISCRETE OUTPUTS Page
Select the MAIN DISCRETE OUTPUTS Page (see
432H
Figure 5-13). This page allows you to verify the
operation of any external annunciators and switches that
are present in the installation.
DISCRETE TOGGLE
Selection Verify
That:
APR
The APR annunciator is active and inactive as selected on this page.
GPS
The GPS source select annunciator is active and inactive as selected
on this page.
INTEG
The INTEG annunciator is active and inactive as selected on this
page.
MSG
The MSG annunciator is active and inactive as selected on this page.
OBS
The OBS annunciator is active and inactive as selected on this page.
TERM
The TERM annunciator is active and inactive as selected on this page.
VLOC
The VLOC source select annunciator is active and inactive as selected
on this page.
WPT
The WPT annunciator is active and inactive as selected on this page.
ILS/GPS APR
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).
GPS SELECT
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).
Figure 5-12. MAIN DISCRETE INPUTS Page
Figure 5-13. MAIN DISCRETE OUTPUTS Page