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BASIC OPERATION
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■MDC 1200 system operation
The MDC 1200 signaling system enhances your transceiver’s
capabilities. It allows PTT ID*, Emergency signaling, and re-
ceiving Radio Check. Also, the dispatcher can stun and revive
transceivers on the system.
* When [PTT] is pushed and/or released, the transceiver transmits
your station ID.
D Transmitting an Emergency Call
The MDC 1200 system’s Emergency feature can be ac-
cessed using the [Emergency] key (p. 7). The transceiver will
send an Emergency MDC 1200 system command once, or
repeatedly for a programmed number of times until it receives
the acknowledgement signal.
The emergency call can be transmitted without a beep sound
depending on how the emergency function is programmed.
Ask your dealer for details.
D Receiving an Emergency Call
q When an emergency call is received;
• Beeps sound.
• The calling station alias and “EMG EMG” are displayed alter-
nately.
w Turn power OFF, change the channel, push [PTT] for reply-
ing the call, etc. to stop the beep and display indication.
D Receiving a Stun and Revive
The dispatcher can send MDC 1200 system signals that will
stun or revive your transceiver. If a Stun command is received
that matches your station ID, the transceiver will display
“SORRY” (default) and you can not receive or transmit. When
a Revive command is received that matches your station ID,
normal operation is restored.
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