Ctcss (Continuous Tone Coded Squelch System); Dcs (Digital Coded Squelch) - Uniden UH8055S Owner's Manual

Operation

CTCSS (Continuous Tone Coded Squelch System)

Use the CTCSS or DCS privacy codes to talk to UHF-CB users, who are using the
same code, without hearing other users on the same channel.
When a CTCSS or DCS tone is set for a UHF-CB channel, the CTCSS or DCS tone is
displayed in the DCS/CTCSS code area. For channels with the setting of CTCSS OFF,
there will be no display in the DCS/CTCSS code area.
CTCSS and DCS is not available on CH 05 and CH 35. For your
reference a list of the available channels, corresponding frequencies
and guidelines for their use and selection is printed on p.51 - p.52. For
NOTE
Australia, Channels 05 and 35 are reserved for Emergency Calls.
Rotate the Channel knob on the base to select the desired channel to use CTCSS.
Press and hold [DCS/CTCSS] on the base.
CTCSS icon flashes.
Turn the Rotary Channel Selector at the base or press
Remote SPK/MIC to select DCS/CTCSS code.
Press [DCS/CTCSS] once to store the new setting.
To turn off CTCSS (or DCS) select the oFF code during setting.

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 1-104.
UNIDEN UH8055S
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on the optional
UHF CB Transceiver