| Off | The scanner ignores all CTCSS and DCS tones and opens squelch on any signal. |
|---|---|
| Search | The scanner displays any received CTCSS and DCS tones, but it opens squelch on any signal. |
| CTCSS | The scanner prompts you to enter a CTCSS code; it will only open squelch if the received signal contains a CTCSS tone that matches the one you enter here. |
| DCS | The scanner prompts you to enter a DCS code; it will only open squelch if the received signal contains a DCS tone that matches the one you enter here. |
| Set Lockout | The scanner prompts you to enter a CTCSS or DCS code that you want to lockout for this channel. The scanner will not open squelch if the received signal contains a matching CTCSS or DCS tone. |