EBIKELING NC-81F User manual

NC-81F USER MANUAL
Electric Bike Display

TABLE OF CONTENTS
Product Name and Model Number
Spesifications
Appearance and Size
Function Overview and Functional Areas
4.1 Functional Overview
4.2 Functional Areas
4.3 Button Definitons
1
1
1
2
2
3
3
1
2
3
4
Routine Operations 4
4
4
5
5
6
7
7
7
5
5.1 Power On/Off
5.2 Display Interface Switching
5.3 Walk Boost Mode and Cruise Enable Setting
5.6 Battery Level Display
5.4 Turning On/Off Lights
5.7 Error Code Display
5.5 PAS Level Selection
5.8 Brake Prompt Display
Personalized Parameter Settings 8
8
9
9
9
10
10
10
11
6
6.1 Backlight Luminance Setting
6.2 Metric and Imperial Setting
6.3 Rated Voltage Setting
6.6 Wheel Diameter Setting
6.4 Auto Sleep Time Setting
6.7 Number of Speed Sensor Magnets Setting
6.5 PAS Level Setting
6.8 Speed Limit Setting

Shortcut Operation
Quality Assurance and Warranty
Wire Connection Diagram
Precautions
Schedule 1: Error Code Definition
8.1 Warranty Info
9.1 Standard Wire Connection Sequence
8.2 Warranty Doesn’t Cover
11
11
12
12
12
13
13
13
14
15
15
15
15
15
16
16
7
8
9
10
11
6.9 Start-Up Setting
6.10 Drive Mode Setting
6.11 Pedal Assist Sensitivity Setting
6.14 Controller Current Limit Setting
6.12 Pedal Assist Strength Setting
6.15 ODO Resets Setting
6.13 Number of Pedal Assist Sensor Magnets Setting
6.16 Power On Password Setting
TABLE OF CONTENTS

1
Product Name and Model Number
Specification
Appearance and Size
Smart LCD display for electric bicycle; Model: NC-81F.
36V/48V/52V power supply
Display rated current 15mA
Display maximum current 30mA
Shutdown leakage current <1uA
Supplied current to the controller 50mA
Operating temperature -20 ~ 60 °C
Storage temperature -30 to 70°C
1
2
3
NC-81F Display K6 Control Button
K5 Control Button

2
Front View Dimensions Side View Dimensions
Function Overview and Functional Areas
Battery level indicator
Pedal assist (PAS) level indicator
Speed (current speed, maximum speed,
average speed)
Mileage display (single and total mileage)
Walk boost mode
Light ON/OFF
Error code indicator
Cruise control indicator (optional)
Bluetooth connection indicator (optional)
Personalized parameter settings (e.g. wheel
diameter, speed limit, rated voltage setting and
PAS parameter setting, etc.)
Factory default parameter recovery function
4
4.1 Functional Overview
The NC-81F display oers a variety of features to suit your riding needs, including:

3
Battery Level
Error Code
Current Speed
Walk Boost
Trip Odometer
Odemeter
MAx Speed
Average Speed
Speed Unit
KM/H
MPH
Light On/Off
Cruise
PAS Level
Value and Unit
4.2 Functional Areas
4.3 Button Definitions
The NC-81F display is equipped with ve buttons on the corresponding operating unit:
Power On/O
Plus
Minus
Light
Toggle

4
Routine Operations
5
5.1 Power On/Off
5.2 Display Interface Switching
Long press to power on/o the display. When the display is o, it will not use the battery power
and the leakage current is less than 1uA.
When the display is powered on, it will show the Current Speed (km/h) and Trip Odometer (km) by de-
fault. Short press to switch between Trip Odometer(km), Odometer (km), Maximum Speed (km/h),
and Average Speed (km/h).
The display will automatically shut o if it is not used for more than 10 minutes.
Trip Odometer
Average Speed
Odometer
Maximum Speed

5
5.3 Walk Boost Mode and Cruise Enable Setting
5.4 Turning On/Off Lights
Long Press and hold , the electric bicycle
enters the walk boost mode. The electric
bicycle will walk at a xed speed of 6 km per
hour and the display shows . Release
to stop the power output immediately and
restore to the state before walk boost.
Press the to make the controller turn on
the lights and the display backlight becomes
dim. Press again to make the controller
turn o the lights and the backlight restore
brightness.
The whole bicycle is at stable speed, Long
press and the bicycle will enter the
cruise state. The bicycle runs at a constant
speed at the speed you control and screen
display . Press the again or turn the
knob or press the brake, and the bicycle
will exit the cruise state.
The walk boost mode can only be used
when pushing the electric bicycle, please
do not use it while riding.
Helping to implement the display screen
Cruise enable setting interfacescreen Backlight display interface

6
5.5 PAS Level Selection
Press / to switch PAS level of electric bicycle, thus changing the motor output power.
PAS level display interface

7
5.6 Battery Level Display
5.7 Error Code Display
The Battery level is shown as 5 bars. When the
battery is full charged, all of the 5 bars lighten
up. When the battery is fully depleted, the bar
will begin to ash, warning the user to charge
the battery as soon as possible.
If there is a fault occurs in the electronic
system of the electric bicycle, the display
will automatically show an error code, see
Schedule 1 for a detailed denition of the
error code.
When the error code appears on the
display, please troubleshoot the problem
in time, the electric bicycle will not be
able to drive normally after the problem
occurs.
Full Power Two Bars Power
Four Bars Power One Bar Power
Three Bars Power Empty Power Flashing
Error Code Display
5.8 Brake rompt isplay
When you press the brake of the whole vehicle, the rst two digits 8 of the display mileage area will be
prompted with “br”, and the “br” character of the homing brake will disappear, br represents brake,
and the prompt is braking.