any display of 59. 9 arc-seconds. The value in
computer is as loaded by operator.
(6) To insert TACAN coordinates:
(a) Insertion of UTM TACAN station data:
INSERT/ADVANCE pushbutton, any
pushbutton and loading correct data.
1. Data selector - UTM WY PT.
2. Keys 7 and 9 Press simultaneously.
Observe that number of TACAN
station being used for navigation
flashes on and off in TO-FROM
display and data displays indicate
coordinates of station selected by
3. Thumbwheel Set to number of station
to be loaded. Confirm thumbwheel is
4. Station 0 cannot be loaded.
Observe that if number of station to be loaded is
same as number of the TACAN station currently being
used, number in-TO-FROM display will be set to 0 when
TACAN data is loaded.
5. To load zone and easting Press keys
in sequence, starting with E.
Example: Zone 16, 425 km East =E16 425.
Observe that zone and easting in kilometers appear
in the right display as keys are pressed.
6. INSERT/ADVANCE pushbutton -
Observe that pushbutton annunciator is illuminated.
7. To load northing Press keys in
sequence, starting with N or S to
indicate north or south hemisphere.
Example: 4749 km North = N 4749. Observe that
northing kilometers appear in left data display as keys
8. INSERT/ADVANCE pushbutton -
Observe pushbutton annunciator remains illuminated.
9. INSERT/ADVANCE pushbutton -
Observe that extra precision display related to the
resident value of northing and easting, to nearest meter,
appears in left and[ right data displays, respectively.
UTM data may be loaded in any order.
Until final fourth entry, actuation of
without a prior data entry 'will cause
normal and extra precision UTM data
to be alternately displayed.
10. To load extra precision easting value
Press keys in sequence, starting with
Example: 297 m East = E 297. Observe that easting
meters appear in right data display as keys are pressed.
11. INSERT/ADVANCE pushbutton -
Observe pushbutton remains illuminated.
12. To load extra precision northing
starting with N or S.
Example: 901 m North = N 901. Observe that
northing meters appear in left data display as keys are
pressed. The value is always added to normal value
regardless of which key (N/S) is pressed to initiate
entry. The normal entry establishes hemisphere.
13. INSERT/ADVANCE pushbutton -
Observe that during the next I to 3 seconds, the
computer converts input into latitude and longitude for
storage in memory. The stored value is again
converted back to UTM for display to operator. The
extinguishes. The conversion routines may cause data
displays to change by up to 10 m.
however, data display values will
reference appropriate zone.
The W key may be used to initiate