UNIDEN Model UH400SX,
Operation
CTCSS (Continuous Tone
Coded Squelch System)
Turn the Rotary Channel Selector at
the base or press 
on the Remote SPK/MIC the desired channel to use CTCSS. Press [DCS/CTCSS].
CTCSS icon appears.
Turn the Rotary Channel Selector at
the base or press 
on the Remote SPK/MIC to select the desired CTCSS code 01 - 38.
Press [DCS/CTCSS] once to store the new setting.
To turn off CTCSS (or DCS) select the oF code during setting.
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
Follow the steps for setting a CTCSS code. Turn the Rotary Channel Selector at
the base or press 
on the Remote SPK/MIC until the DCS codes appear. Press [DCS/CTCSS] to set. The DCS icon and code will display.
28
uh400sx, uh500sx,
1/2/08 1:31:29 PM
