FM540 Service Manual
4.2.2. Scan Revert Channel
When the radio is scanning, press the PTT button” and the radio transmits and communicates on a preset
channel. This channel can be programmed by the local distributor.
4.3 Kill and Unkill
If the dealer enables this feature, the radio can receive and decode other radio’s signals of Kill and Unkill
before responding accordingly. After being killed, the radio can only receive the activated signal without
being able to transmit or receive other signals. The radio is back to normal after activation.
4.4 Emergency
In a state of emergency, press the “Emergency On” shortcut key for the alarm call. The alarm method is
composed of two parts: Alarm type, which mainly specifies the acoustooptic reaction in the state of alarm
call; Alarm mode, which specifies the sending content in the state of alarm call. These parameters can be
set by the dealer to meet your requirements. To disable the emergency feature, please press the
“Emergency Off” shortcut key.
Alarm Type
•
None: no alarm feature (by default), and the alarm cannot be initiated by pressing the emergency button.
•
Siren Only: the radio only sounds siren locally.
•
Regular: acoustooptic alert for alarm status, able to receive response from other members.
•
Secret: no acoustooptic alert for alarm and do not receive response from members.
•
Secret with Voice: no acoustooptic alert for alarm but receives response from other members.
Alarm Mode
•
Emergency Alarm: after the alarm is initiated, the radio only transmits emergency alarm, and
afterwards,it automatic exitsalarm status.
•
Emergency Alarm + Emergency Call: the radio transmits emergency alarm and sends out emergency call
by pressing the PTT button.
•
Emergency Alarm + Auto Transmission of Background Tone: the radio transmits emergency alarm, and
the background tone will be sent out periodically and automatically in the way of emergency call.
Note:
•
Emergency Alarm: a non-speech signal is transmitted by the mobile radio to trigger other radios to
send out an alert.
•
Emergency Call: a call mode with the priority of using channelsso as to ensure smooth call during
emergency.
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Summary of Contents for FM540
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