How to calibrate Smartcraft gauges with 2000 225 optimax

pauljansen

Recruit
Joined
Feb 5, 2011
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2
I have a 225 Optimax from year 2000.
Hooked up to the engine are Smart Tach and Smart Speed gauges.

Does anybody know if it is possible to calibrate these gauges, they now display miles, Fahrenheit.
I would like them to display kilometres and Celsius

I did not get a manual with these gauges and tried everything

Can anybody help me with either a few hints or a manual ???
 
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