Transmitting A Call - Icom IC-F5120D series Operating Manual

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MDC 1200 OPERATION

■ Transmitting a call

D PTTID Calls
The transceiver can send an MDC 1200 system signal that
includes PTTID when [PTT] is pushed (begin transmitting)
and released (stop transmitting). If a PTTID call is received,
the transceiver will display the calling station's ID (or alias)
and sound a beep.* (
D Transmitting an Emergency Call
When [Emergency] (described in the instruction manual) is
held down for a specified time period,* the emergency signal
is once or repeatedly transmitted on the specified emergency
channel.
When no emergency channel is specified, the call is
transmitted on the operating channel.
The repeat emergency signal is automatically transmitted
until you turn OFF the power.
Depending on the preprogramming, receiving an
acknowledgement may cancel the transmission.
If you want to cancel the Emergency function, hold down
[Emergency] for the preprogrammed time period again before
transmitting the call.
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*Depending on the preprogramming.)
If your transceiver is programmed for Silent operation, you
can transmit emergency calls without the beep sounding and
the LCD display changing.
IMPORTANT: Setting an individual emergency channel is
recommended for dependable emergency call operation.
* Depending on the preprogramming, the following functions can be
automatically activated. Ask your dealer for details.
D NOTES
• Auto TX function
After an emergency call transmission, audio from the
microphone is automatically transmitted for a specified time
period.
• The HM-148G or HM-152
hand microphone
• Auto RX function
After an emergency call transmission, the transceiver stands
by in the audible mode for a specified time period.
is required.