Check the voltage on the wire and if it is 5V then bypass with a 0.1 to remove noise or RF
influence and see. Do all soldering with power OFF !
Raj
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At 25-04-18, you wrote:
Has anybody have the experience of the BITX 40 [no mods yet made] deciding to go into calibration mode on its own?
If so how did you fix it?
Menashe