Installation; General Operations; Display Interface - Key-Disp KD21C User Manual

The ebike display
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Installation

KD21C can be mounted on the left side of handlebar close to its grip. Adjust the angle for a good
screen view. Cut off the power before connecting the corresponding connectors between display and
controller.
General Operation
◆Switching the E-bike System mode ON/OFF
To switch on the E-bike system and provide the power supply to the controller, hold the On/Off
button for 2s.
To switch off E-bike system, hold the On/Off button for 2s. The E-bike system no longer uses
the battery power.
When E-bike system is switched off, the leakage current is less than 1 μA.
If "On/Off" button or "-" button is sticky, an error code will be shown on the screen. Please refer to
Attached List 1 as for "sticky button" error code definition details.
If an improper operation by user occurs (eg. an excess pressing on "On/Off" button or pressing
"On/Off" button and "-" button simultaneously ), the user can switch off the display and restart.
■When the E-bike is parked for approx. 10 minutes, the E-bike system switches off
automatically.

◆Display Interface

After switching on the E-bike system, the display shows Current Speed and ODO(total distance)
by default.
Press the ON/OFF button to
ODO (Km)→ Trip (Km) → Trip Time (Hour) → Motor Power (W)→ODO (Km)→ Max. Speed
(Km/h)→ Avg. Speed (Km/h) , it cycles back to ODO km again.
switch between indication functions below:
3

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Questions and answers

Tommy
February 21, 2025

How to reset total mile on display

1 comments:
Mr. Anderson
February 21, 2025

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

This answer is automatically generated

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 by holding the power button.

This answer is automatically generated

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