TM 55-1510-222-MTF
P R O C E D U R E
T R O U B L E S H O O T I N G
R E F E R E N C E
(3)
(4)
(5)
(6)
course deviation indica-
tor.
Right-hand display - Read
aircraft drift angle to the
nearest degree.
Keys 3 and 9 - Depress si-
multaneously and hold.
Left-hand display - Read
magnetic heading to the
nearest tenth of a degree.
Compare with course de-
viation indicator. (Drift
angle will continue to be
displayed in the right-
hand display.)
Keys 3 and 9 - Release.
Left-hand display will re-
vert to displaying true
heading.
e. Cross track distance and track
angle error - Check as follows:
(1) Data selector - XTK/
TKE.
(2) Left-hand display - Read
cross track distance to the
nearest nautical mile.
(3) Right-hand display - Read
track angle error to the
nearest degree.
f. Latitude and longitude posi-
tion - Check as follows:
(1) Data selector - L/L POS.
(2) Displays - Read present
position latitude in the
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