Kenwood NX-720GE - Manual (Page 21)

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1 Select your desired channel.
2 Press and hold the key programmed as [OST] for 1 second.
3 Press
the / key to select your desired tone or code.
• Your dealer can set up to 40 tones/codes.
4 When you have finished operating using OST, press the [OST] key again to turn the
OST function OFF.
■ Radio Access Number (RAN)
RAN is a new signaling system designed for digital radio communications.
When a channel is set up with a RAN, squelch will only open when a call containing
a matching RAN is received. If a call containing a different RAN is made on the same
channel you are using, you will not hear the call. This allows you to ignore (not hear)
calls from other parties who are using the same channel.
■ Optional Signaling
Your dealer may also program several types of optional signaling for your transceiver
channels.
5-tone Signaling: Refer to “SELCALL (SELECTIVE CALLING)” on page 12.
DTMF Signaling: DTMF Signaling opens the squelch only when the transceiver
receives a call containing a matching DTMF code.
FleetSync Signaling: Refer to “SELCALL (SELECTIVE CALLING)” on page 10.
NXDN ID Signaling: NXDN ID is an optional signaling system available only for digital
communications.
MONITOR/ SQUELCH OFF
You can use the key programmed as [Monitor] or [Squelch Off] to listen to weak signals
that you cannot hear during normal operation and to adjust the volume when no signals are
present on your selected channel.
• The icon appears on the display while Monitor or Squelch Off is activated.
Your dealer can program a key with one of four Monitor/Squelch Off functions:
• Monitor: Press to deactivate QT, DQT, DTMF, 5-tone, or FleetSync Signaling. Press
again to return to normal operation.
• Monitor Momentary: Press and hold to deactivate QT, DQT, DTMF, 5-tone or
FleetSync Signaling. Release to return to normal operation.
• Squelch Off: Press to hear background noise. Press again to return to normal
operation.
• Squelch Off Momentary: Press and hold to hear background noise. Release to
return to normal operation.
■ Squelch Level
If a key has been programmed as [Squelch Level], you can readjust your transceiver’s
squelch level:
1 Press the key programmed as [Squelch Level].
• The current squelch level appears on the display.