TM 11-6605-202-12/10 5N3-3-10-1
CONTROLS AND INDICATORS (continued)
COURSE INDICATOR 2
Provides reference mark for scale dial,
Fixed index
Rotates under fixed index reference mark to indicate aircraft
Scale dial
heading.
Shows dot (.) or cross ( + ) to indicate misalinement (non-
Annunciator
synchronization) of compass set.
Indicates bearing of an adf radio signal.
Radio pointer
Is manually rotated to null annunciator and synchronize
Synchronizing knob
(electrically and mechanically aline) the compass set.
Moves left or right to show deviation from approach path to
Steering meter
fm radio transmitter.
Shows red when fm radio receiver signal is absent.
Fm warning indicator
Rises and falls to indicate passage over an fm radio
Station passage meter
Shows to indicate loss of power to the compass set.
Power failure meter
3-4
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