Function Summary And Button Definition; Function Summary; Functional Area Distribution; Button Definition - Key-Disp KD21C User Manual

Electric bicycle meter
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Function Summary and Button Definition

◆ Function Summary

KD21C can provide a lot of functions to fit the users' need. The indicating contents are
as following.
Battery Indicator
Motor Power Ratio
Power assist level adjustment Indicator
Speed Display (including running speed, max speed and average speed)
Trip distance and total distance
6km/h Cruise control
Trip time display of single
Headlight On/Off
Error Code Indicator
Various Parameters Settings (like wheel size, speed-limited, battery level bar, PAS
level, controller limited current, max speed, password enable, and so on.)
Recover Default Settings

◆ Functional Area Distribution

◆ Button Definition

There are three buttons(MODE, UP and DOWN) on the KD21C display, such as
respectively.

General Operation

◆ Power On/Off

Hold MODE button then the display will power on. In like manner hold MODE to turn
off power when the display working. When the display off the leakage current is less than 1
uA.
When parking e-bike for more than 10 minutes, the display shut down automatically
Functional area distribution
2
.

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Questions and answers

Tommy
February 21, 2025

How to reset total miles on display

1 comments:
Mr. Anderson
February 21, 2025

The total miles (odometer) on the Key-Disp KD21C display cannot be reset. Only the trip counter can be reset by pressing and holding the plus (+) and minus (-) buttons, then selecting "Y" for yes, and confirming with the power button.

This answer is automatically generated

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