TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(3) Also during ILS approach,
K29,K30
check that marker beacon indicators and
audio function properly.
*22. Transponder (XPDR 2) set (AN/APX-100 and
AAU-32A) -
Check as follows:
a.
XPDR 1/XPDR 2 switch (instrument
panel) - XPDR 2.
b.
MASTER control - STBY (allow 2 minute
warm up).
c.
MASTER control- NORM.
d.
Mode switches - Set test mode.
e.
Code selectors - Set test code.
f.
Fly aircraft within line of sight of
interrogating stations.
g.
Contact the facility by radio and
B17,
request that the aircraft be
K33,K34
interrogated and that the reply be checked
for satisfactory response.
h.
Repeat steps d. through g. For all
possible modes.
*23. Transponder (XPDR 1) set (KXP 756 and KEA
346) - Check as follows:
a.
XPDR 1/XPDR 2 switch (instrument
panel) - XPDR 1.
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