Press the button of the speedometer and than turn on the ignotion. Now your are in the programming mode. With pressing the button again you can change the numbers. A good description is on Caerbont's website www.caigauge.com.BR Christian
2006 4/4 70th anniversary, 1985 VW 1200 50th anniversary, 1977 Vespa 50 Special, 2003 Vespa PX 200E
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