TM 55-1520-240-T
18-4
Change 18
FAILURE SYMPTOM LIST (Continued)
ALTITUDE VOICE WARNING SYSTEM
(RADAR ALTIMETER)
SYMPTOM
TASK
ALTITUDE VOICE WARNING MESSAGE NOT
AUDIBLE IN PILOT, COPILOT, OR AFT STATION/
HOIST OPERATOR’S HEADSET WHEN PILOT’S
RADAR ALTIMETER POINTER IS BELOW OR
ABOVE PRESET ALTITUDE LIMITS
18-2.4
ALTITUDE VOICE WARNING MESSAGE VOLUME
DOES NOT FLUCTUATE WHEN PRESS-TO-
TEST KNOB IS MOMENTARILY DEPRESSED
18-2.5
ALTITUDE VOICE WARNING MESSAGE IS
AUDIBLE WHEN ALTITUDE POINTER IS WITHIN
THE HI/LO SET INDEX ENVELOPE
18-2.6
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