digi-tech BC281 Bedienungsanleitung
Manual
BC281 Model
Version: CH-20220223
Shenzhen Digitech Co., Ltd. BC281 Manual
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Contents
Product Description and Specifications ..............................................................3
Parts Description ..................................................................................... 3
Function introduction ...................................................................................4
Features ............................................................................................... 4
Buttons Functions .................................................................................... 5
Operation .................................................................................................. 5
Power on/off .......................................................................................... 5
Riding interface....................................................................................... 6
Assist level switch .................................................................................... 7
Error Code ............................................................................................. 7
User Menu ............................................................................................. 8
Connect to APP (only for Bluetooth version) ....................................................12
Attentions................................................................................................ 13
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Product Description and Specifications
DTK3 Button BC281 Display
Parts Description
Display Dimensions
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DTK3 Button Dimensions
Function introduction
Features
BC281 supports the common riding parameters and statistical results, as well as some useful functions:
Real-time speed, Max speed, Average speed
Real-time motor power
Battery indicator
Assistant level
Odometer, trip
Trip time
Calorie burnt
Light indicator
Metric(km/h)/Imperial(mph) switching
Error codes indicator
Auto headlights, Brightness adjustment, automatic backlight
Auto Power-off
USB Port（5V/500mA）
In addition, the Bluetooth version also supports the following functions:
APP connection
Data synchronization
Riding ranking
Riding track recording
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Buttons Functions
Buttons
Name
Functions
[Power]
1、Power on/off
2、Setting confirmation
[+]
1、Parameter adjustment
2、Menu operation
[-]
1、Parameter adjustment
2、Push mode on/off
3、Menu operation
Operation
Power on/off
Long press the [Power] button to power on, the boot interface will be shown for about 1.5s, followed by the
riding interface:
In any interface, long press the [Power] button, the shutdown interface will be shown for about 2s before
power off:
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Riding interface
BC281 provides various styles of riding interface, which can be switched by clicking the [Power] button:
1. Simple mode
2. Sports Mode
3. Statistical Mode
Battery indicator
Light indicator
Real-time speed
Speed unit
Real-time motor power
Trip distance
Assist level
Battery indicator
Battery indicator
Real-time speed
Real-time speed
Speed unit
Speed unit
Trip distance
Trip distance
Assist level
Assist level
Real-time motor power
Calorie burnt
Calorie burnt
Riding time
Average Speed
Trip time
Max speed
Odometer
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Assist level switch
Click [+] or [-] to switch assist levels;
Press and hold the [-] button to enter the push mode, and release to exit.
Error Code
Common error codes are as follows(Only for reference, depending on other electrical parts of the
ebike):
KM5S protocol Error Code
Error Code
Meaning
21
Current or Mos Error
22
Throttle Error
23
Motor Phase Error
24
Motor Hall Error
25
Brake Error
26
Low-voltage protection
30
Communication Error
Li2 protocol Error Code
Error Code
Meaning
02
Brake Error
06
Low-voltage protection
07
Motor Phase Error
08
Throttle Error
09
Current or Mos Error
14
Motor Hall Error
30
Communication Error
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User Menu
To enter the user menu, please long press the [+] and [-] combination buttons for 2s on the riding interface
when static.
To ensure the user’s safety, it can only be accessed when static (when the speed is 0). In this interface, you
can switch the submenu by clicking the [+] or [-] button, and enter the submenu by clicking the [Power]
button
1、Clear Data
（1）Clear Trip Data
Select "Trip Distance" and click the [Power] button to enter it, you can clear the trip distance or
not under the guidance of the interface prompts:
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[Note] The trip time, max speed, average speed, and calories burnt will be also cleared by this
operation.
2、Setup
（1）Auto Headlight
Select Auto Headlight and click the [Power] button to enter the submenu, you can enable or
disable the automatic headlight function:
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（2）Set Unit
Select Set Unit and click the [Power] button to enter the submenu, you can select the unit:
（3）Set Brightness
Select Set Brightness and click the [Power] button to enter the submenu, you can use the [+] or
[-] button to adjust the backlight brightness level in the range of 0-5:
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