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SIGNALING
Quiet tAlk (Qt)/ digitAl Quiet tAlk (dQt)
Your dealer may have programmed QT or DQT signaling on your transceiver
channels. A QT tone/ DQT code is a sub-audible tone/code which 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.
2-tone Signaling: 2-tone Signaling opens the squelch only when your
transceiver receives a call containing matching 2 tones.
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 11.
MDC-1200: MDC-1200 is a data system using Audio
Frequency Shift Keying
(AFSK). Transceivers communicate
at a 1200 baud rate, using 1200 Hz and
1800 Hz tones.
operAtor SelectAble tone (oSt)
You can change the preset encode and decode tones for the selected channel.
Up to 40 OST pairs can be pre-programmed by your dealer.
1 Select your desired channel.
2 Press and hold the key programmed as OST.
• “TONE” appears on the display, followed by the current OST number.
3 Press / (if the key assignment list selection is congured as “Enabled”) or
<B/C> to select your desired OST number.
• You can also directly enter a number from 01 to 40 using the keypad.
4 Use the transceiver the same as in a regular call.
5 To exit OST mode and return to the preset encode/decode tones, press .