Kenwood NX-320E3 - Manual (Page 39)

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CONTROL CHANNEL HUNT
On digital Trunking channels, the transceiver automatically
searches for a control channel.
• While searching for a control channel, the antenna icon will flash
(types I and II only) and no signals can be received.
PTT ID
PTT ID is the transceiver unique ID code which is sent each
time the PTT switch is pressed and/or released.
Note: PTT ID can be made only in analog operation.
VOICE ANNUNCIATION
When changing the zone, channel, and/or group, an audio
voice will announce the new zone, channel and group number.