TM 5-6675-318-14
Table 4-21. CODE DESCRIPTIONS - Cont
Enter code 59 to display the status of the communications modem. The following
symbols may be displayed:
OFF - Modem not being used.
E r r o r d e t e c t e d i n m o d e m.
S
Modem currently running self-test.
T
Modem currently transmitting message.
Modem receiver currently locked onto incoming signal.
R
Modem received incoming message.
C
Incoming message changed instead of repeating.
Code 63, Display Point Position
Enter code 63 to display the most recently computed 3D position. The 3D position
computation is based on accumulated data from all pass data collected. The 3D
position is displayed in a sequence of 15 displays. Press the enter (E) key to erase
one display and view the next. The initial display shows the following information:
(1) 3D position code mnemonic (PT).
(2) When this position is blank, the 3D position was computed using data
f r o m t h e l a s t s a t e l l i t e p a s s . A o n e - l e t t e r c o d e i n t h i s p o s i t i o n i n d i c a t e s t h a t t h e
last pass data was not used. The following codes signify the reason for not using
data from the last pass.
0 - No 2D fix could be computed.
C - Less than eight doppler counts used in 2D computation.
NOTE
E n t r y o f c o r r e c t h e i g h t e s t i m a t e w i l l u s u a l l y c o r r e c t t h i s d i s p l a y.
D - More than 1 km (0.62 miles) between 2D position and reference position.
E - Maximum elevation angle of satellite less than 15 degrees.
H - Maximum elevation angle greater than 70 degrees immediately after point
position was reset.
4-143
E -
-
-
L -
-
-
Initial Display
