Re: QCX 40 No Sidetone and output is raspy

Alan G4ZFQ
 

Did you change the tone from the default setting?  If so change back to the default tone it should clear up the issue. There is a discussion here about that.  If I recall it was just after 1.3 was released.
This is earlier, https://groups.io/g/QRPLabs/message/39812?p=,,,20,0,0,0::Created,,default+sidetone+frequency,20,2,0,44099475 but it seems you've got a good memory!
Further searches might reveal if there was any update, or a look at the firmware changelog.

73 Alan G4ZFQ

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