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VDI tests and display screen are provided for VDI
Full Up, VDI Half Up, VDI Level, VDI Full Down,
and VDI Half Down.
VDI Valid and VDI Super Flag Tests (GX50 and
GX60/65 only)
The VDI Valid and VDI Super Flag outputs are
tested next. Each of the following displays is shown
for three seconds, during which the external VDI
Valid and VDI Super flags should be driven as
indicated by the display, which is up to the user to
verify.
VDI VALID FLAG
and SUPER FLAG
-Flagged-
VDI Valid and Super Flag tests and display screens
are provided for the Flagged and Not Flagged
conditions.
External Annunciator Lamp Tests
The external lamp outputs are tested next. The
external lamps which are driven by the Apollo GX
GPS Navigation Equipment include the message
lamp, VFR lamp, parallel track lamp, approach lamp,
Approach Active (GX50/60), and OBS/Hold
(GX50/60). The lamps are all flashed on for one
second and off for one second a total of three times,
during which it is up to the user to verify that the
external lamps which are connected are working.
EXTERNAL LAMPS
Flash All Lamps
ON
EXTERNAL LAMPS
Flash All Lamps
OFF
11-10
Start Up Displays