21
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 will flash.
Press
or
to select a desired CTCSS code.
Press and hold
to store setting. When a code other
than oF is selected, CTCSS and code will display.
DCS (Digital 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.
Follow the steps for setting a CTCSS code.
Press
until the DCS codes appear.
Press and hold
to store setting.
DCS
and code
will display.
Channels 5 and 35 are used for emergency channels. CTCSS
and DCS will not operate on these channels.
DCS/CTCSS Scan Operation
1. Press
to start scanning (GS or OS) mode.
2. Press and hold
to change to DCS/CTCSS scan mode.
3. When a signal is sensed on a DCS/CTCSS CH, the uh078sx Deluxe 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 Deluxe resumes scanning.
Channels 5 and 35 are used for emergency channels.
DCS/CTCSS will not operate on these channels.
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