TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
for SELF TEST PASS or SELF TEST FAIL
(with a fail message number).
*40.
Transponder (APX-100) Test as follows:
(a)
MASTER Switch - STBY.
(b)
Warmup - Allow two minutes.
(c)
Mode 1 and mode 3/A codes - Set.
(d)
Lamp indicators - Press to test.
(e)
Antenna switch - Select TOP.
(f)
Mode selector - NORM.
(g)
Modes 1, 2, 3/A, and C - Hold to TEST
and observe go light.
(h)
Antenna switch - Select BOT and repeat
step (g).
(i)
Antenna switch - Select DIV and repeat
step (g).
(j)
Mode 4 - Hold to test and observe GO
light (if code has been set in the external
computer).
41.
BATTERY switch - As required.
INTERIOR CHECK
1.
Cargo/loose equipment - Check secured.
*2.
Cabin/cargo doors - Test and lock:
(a)
Cabin door - Check closed and latched by
the following:
(1)
Safety arm and diaphragm plunger -
Check position (lift door step).
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