MANUAL P/N 900000118 REV D
14
Possible Modes:
Holdover
: The system is using the internal oscillator as a reference,
and is counting from the last time it synchronized to an
external reference
Time Valid:
The system is locked to an external reference source
such as GPS or IRIG, and is displaying or outputting that
time.
System Alarms
: If the system is currently displaying any alarms
Battery Status
: The Current status of the battery
Temperature
: The internal temperature of the unit.