the necessary signaling required to obtain a communication channel.

If the radio is out of range or the radio is operative when the signaling is unsuccessful, a NO SRVC message is displayed and a sequence of five beeps are heard at the speaker. Any subsequent attempt to initiate a call within the next 20 seconds will be ignored.

If all available repeaters are busy when the call is attempted, one long beep is heard and BUSY is displayed. The call will not be retried automatically.

NOTE

If the “Call Retry” option is active, the radio will display RETRYNG and try the channel at twenty second intervals for five minutes before returning to the normal System/Group display.

4.When the channel has been acquired, the BUSY flag is illuminated and, if programmed, the Call Originate tones (three tone alert) will sound.

5.Press PTT bar. The TX indicator will light red. Hold the radio about three inches from your mouth and speak as you would normally into the microphone.

6.Release the PTT bar when the transmission is complete and listen for any reply.

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Ericsson LZT-1872R1A manual