Specifications:
Item Type: Tachometer
Material: Aluminum alloy + ABS
Diameter: approx. 52mm / 2"
Equipment: For cars, outboards, construction machinery, motorcycles.
Connection mode:
Black: Power Negative (-)
Red: 9-30 VDC
Blue: RPM signal
Yellow: Backlit
white: adjustable
Instructions:
1. The white line will contact the negative pole for 3 seconds to enter the setting speed ratio mode. Leave the negative pole for more than 3 seconds to exit the setting mode.
2. When the white line touches the negative pole, the value will continue to increase. If the white line is loose and touches the negative pole, the value will continue to decrease The longer the white line touches the negative pole, the faster the value counts. The minimum step of the count is 0.1, the adjustable range is 1.0-360.
3. After adjusting the speed ratio to meet the requirement, the white line will release the negative pole. After 3 seconds, the tachometer will automatically save the results you set. If the configuration does not meet the requirement, it will reset.
Package List:
1 x Tachometer
1 x Manual (English language not guaranteed).