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immediately active (even before exiting the configuration mode). To exit the
configuration mode, press either the MPL or the Home button.
Monitor VHF/UHF:
The system defaults to coded-squelch operation on power-up. To change to carrier
squelch, momentarily press the Mon button; a single "chirp" sounds and the Mon
indicator lights up. Return to coded-squelch by momentarily pressing Mon again. To
un-squelch the radio, press and hold Mon until a second "chirp" sounds. Adjust the
volume with the Vol up/down rocker button. Momentarily press Mon again to return
to coded squelch operation.
Low Band Radio with Adjustable Squelch:
The adjustable squelch control feature allows the operator to adjust the squelch
threshold, via a squelch control knob located on the control head.
• Coded-Squelch Operation
The radio defaults to coded squelch operation upon powering up. To change to
adjustable carrier squelch, if Private-Line
programmed, momentarily press the Mon button; a single "chirp" sounds and the
Mon indicator lights. Return to coded squelch by momentarily pressing Mon again.
To un-squelch the radio, press and hold Mon until a second "chirp" sounds. Adjust
the volume with the Vol up/down rocker button. Momentarily press Mon again to
return to coded squelch operation.
• Carrier-Squelch Operation
Rotate the squelch-control knob to the fully counterclockwise position. When the
channel is clear, slowly rotate the squelch-control knob clockwise until the noise
stops. This is the threshold squelch setting. The operator may adjust the squelch
knob to reduce interference when necessary.
®
Motorola
Advanced Control Head
Operating Instructions
TM
MaraTrac
®
(PL) or Digital Private-Line
2
®
(DPL) is
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