TM 5-6675-318-14
Table 4-21. CODE DESCRIPTIONS - Cont
Code 56, Display Reference Oscillator
Enter code 56 to display the offset frequency of the reference oscillator from 400
MHz. The units of displayed frequency are hertz. The offset is calculated and set
after each satellite pass that yields a 2D position fix.
The reference oscillator frequency offset should not exceed 40 Hz without resetting
t h e o s c i l l a t o r f r e q u e n c y . O s c i l l a t o r s t a b i l i t y f r o m p a s s t o p a s s i s m o s t i m p o r t a n t,
however. The offset should not vary more than 0.5 Hz in a 24-hour period.
Code 58, Display Time Of Next Transmission
NOTE
This code applies to version 110 and above units, and only to the remote
and control modes (refer to code 10).
Enter code 58 to display the time of the next communication via the communications
link. Time is shown in GMT hours, minutes, and seconds.
Time of Next Transmission
Code 59, Display Modem Status
NOTE
This code applies only to version 110 and above units.
4-142
