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UNIDEN UH078SX-NB
Handheld UHF-CB Transceiver
Operation
Advanced Features
CTCSS (Continuous Tone Coded Squelch System)
This feature allows you to receive signals only from callers who have
selected the same CTCSS code.
Press
or
to select the channel you want to set a CTCSS code.
Press and hold
ctcss
. CTCSS will flash.
Press
or
to select a desired CTCSS code.
Press and hold
MENU
to store setting. When a
code other than oF is selected, CTCSS and
code will display.
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 1-104.
Follow the steps for setting a CTCSS code.
Press
until the DCS codes appear.
Press and hold
MENU
to store setting.
DCS
and
code will display.
NOTE
Channels 5 and 35 are used for emergency channels.
CTCSS and DCS will not operate on these channels.
DCS/CTCSS Scan Operation
1. Press
scan
to start scanning (GS or OS) mode.
2. Press and hold
ctcss
to change to DCS/CTCSS scan mode.
3. When a signal is sensed on a DCS/CTCSS CH, the UH078SX-NB
stops for about 400 msecs (decode time) to decode the DCS/CTCSS
code. If there is no code or the receive code does not match the one
programmed for the channel, the UH078SX-NB resumes scanning.
NOTE
Channels 5 and 35 are used for emergency channels.
CTCSS will not operate on these channels.