ATV ComputerACE-31xx/37xx/38xx series User's Manualwww.acewell-meter.comIncludes analogue and digital tachometer, 300km/h speedometer,trip meter, odometer, clock, average speedometer, maximumspeedometer, riding timer and total riding timer.Computer unit built in 4-8 LEDs for different purpose indicators.LCD has 2 rows digital and an analogue bar-graphic tachometerdisplays with blue LEDs backlight.Odometer and total riding timer are stored in memory, even whenthe power is off.The computer always displays clock even when other functions arepower off.Adjustable wheel circumference suitable for all kind of wheels: 1-3999mm setting range.Metric/ British system option available.Waterproof designFEATURESSPECIFICATIONSTTRTODOTRIPAVGMAXRPMMAXRPMRPMPDRNsensor sensor2.1.3.4.6.5.8.7.Diesel engine ignition/