6 BASIC OPERATION
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3. Lock
When the instrument is locked with the reference signal, GENLOCK/CW on the front panel
lights in green, and the message changes to "LOCK". Use the instrument in this state.
4. An error occurs in the reference signal
If an error occurs in the reference signal, the frequency that was in use immediately before
the error occurred is maintained (stay-in-sync function).
When stay-in-sync becomes active, GENLOCK/CW and STAY light in orange, and the
message changes to "STAY". In this case, check the reference signal.
5. The reference signal is restored
When the reference signal is restored, STAY on the front panel blinks in orange, and the
message changes to "RECOVERY". Wait in this state.
6. Relock
When the instrument is relocked with the reference signal, GENLOCK/CW on the front panel
lights in green and STAY turns off. In addition, the message changes to "LOCK". Use the
instrument in this state.
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