Speed Limit; Backlight Brightness - King-Meter JK-LCD User Manual

8.2 Speed Limit

Using the Speed Limit setting the max speed at which
the motor will work to can be set. When the bike's speed
increases past the max speed the controller will cut down the
output power of the motor to protect rider. The speed limit
range is from 12km/h to 40km/h. The default of speed limit is
25km/h. Pressing U and D to alter the value and then press
M to confirm to enter into next setting.
Speed limited interface

8.3 Backlight Brightness

The backlight is always on but is different depending on
whether or not:
A. the Headlight is on
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