CTSSS = Search and Stops on CSQ?

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RKG

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For a channel that you know uses PL (CTCSS) but don't know the tone, I would assume you would program it as CTCSS = Search. However, my radio seems to stop on an untoned (CSQ) carrier (or adjacent channel bleedover, with no PL indication).

How does the -500 firmware handle detection of valid freq but no tone for a channel programmed as CTCSS = Search?
 

DonS

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For CONV objects set as "CTCSS: Search", the PSR-500 detects, but does not require, CTCSS tone frequencies. It will stop on anything that opens RF squelch, and will display any detected CTCSS tone frequency.
 
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