KING-METER TECHNOLOGY CO., LTD
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：+0086 022 8478 0358 Tel: +0086 022 84780378
5.5 Turn On/Off the Headlight / Backlight
Press and hold “UP” button for 2 seconds to turn on the backlight of the display, and the controller
will be informed to turn on the headlight. Long press the “UP” button again to turn off the backlight.
Headlight indicator
5.6 Battery Power Display
The 5 battery bars represent the capacity of the battery. When the battery is in low voltage, battery
frame will flash to notice that the battery needs to be recharged immediately.
Low Voltage Flash
Battery indicator
6. Error Code
When the E-bike electric system fails, the display will shows the error code automatically. The detailed
information of the error code (see Appendix list).
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