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TM-1-1510-225-MTF Army Model C-12 Aircraft Manual | Next
Pressurization |
TM 1-1510-225~MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
NOTE
Performing the EFIS self test is not required at
any time. If a failure exists, the small red SG in a
red box will be displayed. The self test is intended
to familiarize the pilot with the display flags, and
for checking proper display color.
(a) BRT control - Set desired bright-
ness.
(b) TST/REF pushbutton switch -
Depress for three seconds. A
SELF TEST PASS or SEL F
TEST FAIL message will be
annunciated.
NOTE
A white color on the compass scale indicates that
all three colors are operational in the display unit.
* 18. Ground proximity altitude advisory
system - Check as follows:
(a) GPAAS voice advisory VOL
control - Full clockwise.
(b) VOICE OFF switch-indicator -
Extinguished.
(c) Audio control panel - Set listen-
ing audio level.
(d) VA FAIL annunciator light -
Extinguished.
(e) DH set knob - Set decision height
to 200 feet on EADI.
(f) RALT TEST switch - Depress.
“Minimum, minimum ” will be
annunciated once followed by the
illumination of the VA FAI L
light.
2-39
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