JRC JHS-770S Instruction Manual page 66

Operation
5 5 . .
5 .
After sending an acknowledgement, the
working channel is set to communicate.
Start communicating using the handset.
If the receiving call is not the above mentioned call requesting the communication but
Note
a polling call, the screen as follows is shown and, the ALM lamp blinks and the alarm
grows louder gradually. In this case, after silencing the alarm, select ACK to
acknowledge it.
Additionally note that if it is received while the 9.5.1.3 Polling call of the Automatic
ACK menu is set to ON, and there is no active procedure, this call can be
acknowledged automatically.
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