How do you go back to older firmware release.

[VE3WDM]

I have seen it before on the reflector but can't find it and that is how to go back to a previous firmware release? I currently have 4.51 and want to go back to the one before this until the CW decode is fine tuned. I have the latest P3 firmware downloaded and working but the decode is not a sharp as it was in the previous firmware. It's ok in 4.51 but not close to that of the other firmware.
Mike
VE3WDM
     
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[W5RDW]

Mike, try these settings as a test and see what they do for you. In my own opinion, I have found the decode now is probably as good as it was before, just requires some different settings. I am listening to 5C13KD (Morocco) now on 20 CW and he is sending at 28 -30 wpm (per the K3 wpm checker) and I am getting very good accuracy with his signal going from S4 to S9 at my location.

DCY Soft
HLD 0
PLS nor
SLP 0
THR 10
Fast 200
Slow 20
AF LIM nor 030
       
CWT THR 3
Speed 30-90

RF gain cranked back slightly and filter BW at 200 Hz.

[VE3WDM]

Good afternoon Roger just wanted to thank you for the settings they work great!! I was had some time in the IOTA contest and the decode was working better than it has been in the past even before the software up grade.
Thanks again for your time
Mike
VE3WDM