Adjusting original factory zero calibration

Hi, does anyone know of a method to adjust the original factory calibration for a crank based power meter? The idea is to bring the overall reported data up by 5 watts. It should be possible to adjust the value through a BLE scanner. The 4IIII app only allows scaling for their own products.


What kind of PM is it? If it’s a Quarq you can use the Qalvin app to adjust the factory slope.

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I’d be interested in this too - I have an older Rotor LT that doesn’t quite track against my other PMs.

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It is isn’t a well known power meter yet. I have tried the Calvin legacy program but that did not work apart from being able to connect.