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 (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.
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 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 resumes scanning.
Channels 5 and 35 are used for emergency channels. DCS/CTCSS
will not operate on these channels.
VOX
transmit automatically by speaking on the microphone of the VOX headset
(not supplied) without pressing the PTT switch.
17
