TM 5-6675-318-14
Table 4-21. CODE DESCRIPTIONS - Cont
The elevation in meters of the antenna reference point above mean sea level is
displayed. It is computed from the geodetic height (HT) and the internal geoidal
height (GHT). Then press the enter (E) key.
E l e v a t i on
The geoidal height in meters is displayed with respect to the reference ellipsoid
for the satellite datum. It is computed via an internal map that gives an
approximate value.
Geoidal Height
Code 35, Display Julian Day
Enter code 35 to display the current GMT Julian day number.
Code 36, Control Alarm (On/Off)
Enter code 36 to reverse the on/off state of the audio alarm. If it is on, code 36
turnd it off and vice versa. Pressing the clear (C) key also turns off the audio
If the alarm sounds because an error occurred, proceed as follows:
1. Press the clear (C) key to silence the alarm.
2.
Enter code 50 to determine the error that caused the alarm.
3.
Refer to the troubleshooting procedures to determine corrective action.
Using the clear (C) key or code 36 to silence the alarm does not disable it .
Another fault will cause the alarm to sound again. TO t o t a l l y s u p p r e s s t h e e r r or
alarm, use code 38.
4-121
a l a r m .
