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It should be in mph but is currently showing kph.
It should be that I can swap mph / kph by pressing the B button. Doesn't work
Trying to set the clock by pressing both A & B buttons also doesn't work, so suggests the B button is bad.
So on the evidence, I should crack open the clocks and work on fixing the push button .... but .... I feel that I've seen others with the same issue (on other forums that I can't find right now) and saying that it was some software or EEPROM corruption issue when the battery fails.
I'm not sure you can switch your meter from km/h to mph
According the parts list below, for England (E), it's a specific code, different for France, Germany...
For England, it's 37100MCJ601, you can check behind your meter what model you have
My bike is french, and I cannot switch different unit