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Q
t
(Qt)/ d
uiet
Alk
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.
o
S
ptionAl
ignAling
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 "S
MDC-1200: MDC-200 is a data system using Audio Frequency Shift Keying
(AFSK). Transceivers communicate at a 200 baud rate, using 200 Hz and
800 Hz tones.
o
S
perAtor
electAble
You can change the preset encode and decode tones for the selected channel.
Up to 6 OST pairs can be pre-programmed by your dealer.
1 Select your desired channel.
2 Press the key programmed as Operator Selectable Tone.
• "ot" appears on the display, followed by the current OST number.
3 Press <B and C> to select the desired OST number.
4 Use the transceiver the same as in a regular call; press the PTT switch to
transmit and release it to receive.
5 To exit OST mode and return to the preset encode and decode tones, press S.
8
SIGNALING
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(oSt)
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