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CTCSS (Continuous Tone Coded Squelch System)
This feature allows you to receive signals only from callers who have selected the
same CTCSS code.
Turn the Rotary Channel Selector to
select the channel you want to set a
CTCSS code.
Press and hold /CTCSS/DCS.
The CTCSS channel display will flash.
Turn the rotary knob to select a desired
CTCSS code.
Press to set the code. When a code other than oF is selected, the CTCSS icon
and code will display. If there is no selection for 10 seconds, the operation is timed out.
DCS (Digitally Coded Squelch)
DCS is a digital extension of CTCSS. It provides 104 extra, digitally coded, squelch
codes that follow after the 38 CTCSS codes. CTCSS 1-38, followed by DCS 1-99 plus
DCS 100-104 (represented by o0-o4 on the display).
Follow the steps for setting a CTCSS code. Turn the Rotary Channel Selector until the
DCS codes appear. Press to set. The DCS icon and code will display.
Channels 5 and 35 are used for emergency channels. CTCSS and DCS will
not operate on these channels.
UNIDEN Model uh015sx UHF CB Radio
Operation
17
MENU
ENTER
SCAN
OS/GS
SRCH
BAND/TSQ
MON
SQL
HOLD
DCS/CTCSS
POL
MEM
HOLD
HOLD
HOLD