retevis rt622 programming software?

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GW7MGW

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I have tried Chirp with a USB lead which connects to mic/speaker sockets, but failed to work, I want to know the radio I have found uses 114.8 TSQL for channels 1 to 8, but failed to find the tone 9 to 16, I have been programming my Baofeng BF-888 to try and find the tone used, but to date have failed. Need to know if adding to the radios used by the railway, I often take my own radio in so we have a few extras, until this week could only monitor, now can use at least some channels, but would be nice to be able to use all.
 

N6ML

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Did you try the software that Retvis provides? It appears that the default setup may be CTCSS on channels 1-8 and DCS on 9-16:

rt622.png
 
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