EUNORAU BC280 PRO User manual

Manual
BC280 PRO Model
Version: CH-20220223

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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
Cycling 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 provides the display function of common riding data and statistical results, as well as some
practical functions:
Real-time speed, Max speed, Average speed
Real time motor power
Battery indicator
Assistant level
Odometer, trip
Trip time
Calorie consumption
Light indicator
Metric(km/h)/Imperial(mph) switching
Error code 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
Cycling ranking
Cycling track record
Buttons Functions

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Buttons
Name
Functions
[Power]
1、Power on/off
2、Setting confirmation
[+]
1、Parameter adjustment
2、Menu operation
[-]
1、Parameter adjustment
2、Pedestrian mode on/off
3、Menu operation
Operation
Power on/off
In the off state, long press the [Power] button to enter the boot logo interface, and enter the riding interface
after 1.5s:
In any interface of startup, long press the [Power] button to enter the shutdown logo interface, and shut
down after 2s:
Cycling interface
BC281 provides various styles of riding interface, you can switch the display by clicking the [Power] button:

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1. Simple mode
2. Sports Mode
3. Statistical Mode
Battery indicator
Light indicator
Real-time speed
Speed Unit
Real-time motor
power
Trip
Assist
Battery indicator
Battery indicator
Real-time speed
Real-time
speed
Speed Unit
Speed Unit
Trip
Trip
Assist
Assist
Real-time motor power
Calorie burnt
Calorie burnt
Cycling time
Average Speed
Trip time
Max speed
Odometer

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Assist level switch
Click [+]/[-] to switch assist levels;
Press and hold the [-] button to activate the boost mode, and release the [-] button to exit the
pedestrian mode.
Error Code
Common error codes (errror codes are related to other accessories of the ebike, the following information
is for reference only):
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
In the static state, long press the [+] and [-] combination button for 2s on the cycling interface to enter the
user menu interface.
To ensure user safety, the user menu can only be accessed when the ebike is stationary (speed 0). In this
interface, you can switch the submenu by clicking the [+] / [-], and click the [Power] to enter the selected
submenu interface.
1、Clear Data
（1）Clear Trip Data
Select "Trip Distance", click the [Power] button, select Yes according to the interface prompts and
click the [Power] button again to confirm, you can clear the single mileage:

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[Note] Clearing Trip Dist will also clear the Trip time, average speed, ma speed, and calories
burnt.
2、Setup
（1）Auto Headlight
Select Auto Headlight submenu and click the [Power] button to enter, you can set whether to
enable the automatic headlight function:

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（2）Set Unit
Select Set Unit and click the [Power] button to enter, you can select the speed unit:
（3）Set Brightness
Select Set Brightness and click the [Power] button to enter, you can use the [+] / [-] to adjust the
backlight brightness level, the adjustment range is 0-5:

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（4）Set Auto Power-Off
Select Auto Power-Off and click the [Power] button to enter. You can use the [+] / [-] to adjust
the automatic power off time. The adjustment range is 0-99, unit: minutes. When set to 0, it
means to cancel the automatic power off:
3、Check System Info.
Enter System Info，to view system information：

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Connect to APP (only for Bluetooth version)
1、Scan the following QR code to download the APP:
2、Select Connect to APP in the user menu, get the Bluetooth connection QR code, and scan it with
the APP to pair:

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Attentions
1. Before plugging and unplugging the display, be sure to turn off the power first, as live plugging and
unplugging will cause permanent electrical damage to the display;
2. When installing the display, please ensure that the torque value of the hexagon socket head cap
screw is 0.2Nm (maximum does not exceed 0.6Nm). Excessive torque will cause damage to the
instrument structure;
3. Do not immerse the display in water;
4. When cleaning the display, use a soft cloth dipped in clean water to wipe the surface, but do not
use any cleaning agent or spray liquid on the surface;
5. When cleaning the instrument, use a soft cloth dipped in clean water to wipe the surface, but do
not use any cleaning agent or spray liquid on the surface;
6. Please abide by local laws and regulations when scrapping, discard or recycle in an environmentally
friendly way, and do not discard the instrument or any accessories as resident waste;
7. The damage and failure of the instrument caused by improper installation or use are not covered by
the after-sale warranty.
8. Please contact [email protected] for inquiries and after-sales services.