Racing Electronics SC200 - Manual (Page 32)

At first, CTCSS tone is displayed.
If you want to change between CTCSS and CDCSS,
press
.
4. Enter a tone.
a. Use VFO, or and to select the tone.
b. Then press .
Note: Press to cancel the CTCSS or CDCSS
Program Mode.
The CTCSS or CDCSS indicator and displayed
programs are turned off but not deleted.
If you want to program a no Tone, press at first,
then press .
Searching for CTCSS Tones/CDCSS Tones
You can use the CTCSS Tone Search Mode and CDCSS
Tone Search Mode to determine if the frequencies in your
area are broadcast with associated tones.
30
Change per 1sec.