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
(4) Data selector (while in
flight) - L/L WYPT or
UTM WYPT.
(5) Keys 7 and 9 - Depress si-
multaneously. The num-
ber of the TACAN station
being used for navigation
shall flash on and off.
(6) FROM-TO
display
-
Monitor station selection.
Only the number of sta-
tions eligible for mixing
will be displayed. A 0
indicates that none of the
9 stations are eligible for
update.
NOTE
Mixing will not take place if TACAN station
data is loaded in error or if the ratio of the
distance from the station to the aircraft alti-
tude is less than 2 to 1.
(7)
(8)
(9)
INS TACAN range dis-
play - Monitor. The dis-
play shall indicate the
range to the station used
for update. If no station is
being used for update. the
display will read all dash-
es.
Data selector - Set to DIS/
TIME.
Keys 7 and 9 - Depress si-
multaneously.
Compare
distance to TACAN sta-
4-11