CTCSS & DCS
(Continuous Tone Coded Squelch System) & (Digital Coded Squelch)
CTCSS is a feature that allows a group to talk to each other without hearing other users on the same channel.
1.Press select/ 
key momentarily to enter CTCSS mode. The current selected CTCSS tone flashes.
2.Press 
key to select the required CTCSS tone (OFF or
3.Press select/ 
key six times to exit and confirm the selected setting.
For channels with a CTCSS tone setting, the CTCSS tone is displayed below the channel indicator. For channels with the setting of CTCSS OFF, there will be no display below the channel indicator.
DCS
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. Press select/ 
key momentarily to enter CTCSS/DCS mode.
2. Use | key to select a DCS code. The DCS codes |
follow on after the CTCSS codes. The DCS icon will replace the CTCSS code on the display.
3.Press select/ 
key six times to exit and confirm the selected setting.
The DCS icon will appear when selected. To turn off DCS select CTCSS OFF and no display will show below the channel indicator.
Channels 5 and 35 are used for emergency channels.
Transmit is inhibited on channels 22 and 23.
CTCSS and DCS will not operate on these channels.
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