Tecsun PL-660 Frequency Calibration

[cgestl]

I have an older PL-660 unable to perform the frequency calibration via the AIR key. Firmware version 215.
Is there any way to update the firmware to allow me to calibrate?

 

[ka3jjz]

If no one answers here, this might be a much better bet...

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Mike

 

[SigIntel8600]

I have an older PL-660 unable to perform the frequency calibration via the AIR key. Firmware version 215.
Is there any way to update the firmware to allow me to calibrate?

Video: How to calibrate the Tecsun PL-660 frequency offset

 

[ka3jjz]

This won't work on the OP's radio, as he noted....Mike

 

[Ubbe]

If it's the BFO generator that's off in LSB and USB then there's an adjustment procedure for that.

https://rholm.tumblr.com%2Fpost%2F63643179578

/Ubbe

 

[cgestl]

Thank you very much Ubbe! This is exactly what I was searching for.
Best Regards to Stockholm.