EMMO E-Wild X User Manual

Product Name and Model

Name: Intelligent colored LCD for E-bike

Model: KD718

Specifications

• 36V/48V Power Supply
• Rated working current: 10mA
• The maximum working current: 30mA
• Off-state leakage current: <1μA
• Operating temperature: -20℃~ 60℃
• Storage temperature: -30℃~ 70℃

Appearance and Size

Display appearance and dimensional drawing (unit: mm)

A side view of the eBike display unit, showing a screen with battery indicator (90%), power (682W), speed (25.5 km/h), mode (Sport), odometer (20.1 km), and PAS level (3).

Two diagrams showing the dimensions of the display unit. One shows the front view with dimensions 74.4mm and 49.96mm. The other shows a side view with dimensions 97.95mm and a clamp diameter of Ø31.8mm (±0.01mm).

Remote Control

Remote control appearance and dimensional drawing (unit: mm)

An image of the eBike display remote control, showing a triangular unit with buttons for power, up, down, and mode selection.

Diagrams showing the dimensions of the remote control unit, with a width of 42mm and a clamp diameter of Ø11.1mm, and a height of 39.7mm.

Function Summary

The KD718 can provide a lot of functions to fit the Users needs. The indicating factors are as follows:

• Intelligent Battery SOC indication
• Motor Power indication
• Assist-level indication and selection
• Speed indication (incl. Real-time speed, Max. speed and Ave. speed)
• Odometer and trip distance
• Push-assistance control and indication
• Trip time indication
• Backlight On/Off and indication
• Error code indication
• USB connection indicator
• Various Parameters Settings (e.g., wheel size setting, speed limit setting, battery voltage segmented value setting, power assist parameters setting, etc.)

General Operation

Switching the E-bike System On/Off

Briefly press the power button to switch on the E-bike system.

When the display is on, hold the power button for 2s, the E-bike system will be switched off and no longer uses the battery power.

When switching off the E-bike system, the leakage current is less than 1 μA.

When parking the E-bike for more than 5 minutes, the E-bike system switches off automatically.

Display Interface

After switching on the E-bike system, the display will show real-time Speed and Trip Distance by default. Press the [info-button] button to switch between following elements: Trip (Km) → ODO (Km) → Max. Speed (Km/h) → Avg. Speed (Km/h) → Time (Min.).

A sequence of five display interface images showing the cycle through different information: Trip distance (20.1 km), Odometer (25.5 km), Max Speed (25.5 km/h), Avg Speed (20.5 km/h), and Time (5 min). Each screen shows battery (90%), power (682W), current speed (25.5 km/h), mode (Sport), and PAS level (3).

Operating Modes

Switching Push-assistance Mode On/Off

To activate the push-assistance function, keep holding the [-] button. After 2s, the E-bike's drive is activated at a speed of less than 6 Km/h while the screen displays a push-assistance icon [bike-icon]. The push-assistance function is switched off as soon as you release the [-] button on the operating unit. The E-bike system stops the power output immediately.

Push-assistance function may only be used when pushing the E-bike.

Be aware of danger of injury when the wheels of the E-bike do not have ground contact while using the push-assistance function.

Switching the Lighting On/Off

To switch on the bike light, hold the [+] button. The backlight brightness is automatically reduced. Hold the [+] button again, the lighting can be switched off.

A display interface showing the lighting mode on/off. It displays battery (90%), power (682W), speed (5.5 km/h), mode (Sport), trip distance (20.5 km), and PAS level (3).

Display Indicators

Assist Level Selection

Briefly press [+] or [-] button to switch between assistance levels to change the motor output power. The default assistance level ranges from level "0" to level "5". The output power is zero on Level "0". Level "1" is the minimum power. Level "5" is the maximum power. When you reach "5", press the [+] button again, the interface still shows "5", and blinks at "5" to indicate the power highest. After the power downshift reaches "0", press the [-] button again, the interface still shows "0" and blinks at "0" to indicate the power minimum. The default value is level "1".

A display interface showing assist level toggling. It displays battery (90%), power (682W), speed (5.5 km/h), mode (Sport), trip distance (20.5 km), and PAS level (1).

Battery SOC Indicator

The five battery bars represent battery SOC. The five battery segments are bright when the battery is in high voltage. When percentage is 0%, the battery needs to be recharged immediately.

Images showing battery SOC indication with five bars. Examples shown are 100%, 80%, 60%, 40%, 20%, and 0%.

Motor Power Indicator

The output power of the motor can be read via below interface.

A display interface showing motor power indication. It displays battery (90%), power (682W), speed (5.5 km/h), mode (Sport), trip distance (20.5 km), and PAS level (1).

System Status and Errors

USB connection indication

When the display is inserted into a USB external device, the display interface will show as below.

A display interface showing USB connection indication. It displays battery (90%), power (682W), speed (5.5 km/h), mode (Sport), trip distance (20.5 km), and PAS level (1).

Error Code Indication

The components of the E-bike system are continuously and automatically monitored. When an error is detected, the respective error code is indicated in text indication area. Here is the detail message of the error code in Attached list 1.

A display interface showing an error code. It displays 'Error Code: 30 Communication fault' along with battery (90%), speed (20.5 km/h), and PAS level (1).

Have the display repaired when error code appears. Otherwise, you will not be able to ride the bike normally. Please always refer to an authorized dealer.

Settings

Press the On/Off button to switch on the display on a stationary E-bike.

To access Setting page, hold both the [+] button and the [-] button for 2s.

A grid of icons representing settings: Unit, Password, Factory, Display, Brightness, Voltage, Advanced, Dormancy, and Exit.

All the Settings are operated on an E-bike of no speed.

Wheel Diameter Settings

Wheel represents wheel diameter settings. To change basic settings, press the [+] or the [-] button to increase or decrease until the desired value is displayed. The default value is 26 inch.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing wheel diameter settings. The first shows the main settings grid. An arrow points to the second, where the 'Wheel' icon is selected, showing 'Wheel 26 inch'.

Speed-limit Settings

Speed Limit represents the limited speed settings. When the current speed is faster than speed limit, the E-bike system power output will be reduced. Speed limit range is 15Km/h to 40Km/h. The default value is 25Km/h.

To change basic settings, press the [+] or the [-] button to increase or decrease until the desired value is displayed.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing speed limit settings. The first shows the main settings grid. An arrow points to the second, where 'Speed Limit' is selected, showing 'Speed Limit 25 Km/h'.

Backlight Brightness Settings

Brightness represents backlight brightness settings. Level 5 is the highest brightness. The less the level value, the lower the backlight brightness.

To change the backlight brightness, press the [+] button or the [-] button to choose the desired percentage.

To store a changed setting, briefly press the [info-button] button to confirm.

Two display interfaces showing backlight brightness settings. The first shows the main settings grid. An arrow points to the second, where 'Brightness' is selected, showing 'Brightness 5'.

Battery Power Bar Settings

Voltage represents battery voltage segmented value settings. 36V/48V switchable. 5 bar-voltage values for 36V or 48V must be entered one by one. Take 48V for example, "1-" is the first bar voltage value and its default value is 41.2V.

To set battery power bar value, press the [+] or the [-] button to increase or decrease the voltage values.

To store a changed setting and access the next bar voltage setting, press the [info-button] button.

In the same manner, after 5 bar-voltage values are entered completely, press the [info-button] button to confirm.

Four display interfaces showing battery voltage settings. The first shows the main settings grid. Arrows point to subsequent screens showing 'Voltage -36V', 'Voltage 48V', and then specific voltage values for 5 bars (e.g., 1-40.0V, 2-44.5V, etc.).

Advanced Settings

Advanced setting here deals with PAS parameters settings.

Two display interfaces showing advanced settings. The first shows the main settings grid with 'Advanced' selected. An arrow points to the second, which displays 'Advance Settings' with parameters like Speed Sensor (01), Assistant Num (12), Power Set (0-3), Current Limit (24A), Sensitivity (2), Slow Start (ON), SOC V (Percent), and a BACK option.

Speed Sensor

Speed Sensor represents speed sensor magnet numbers settings. To change speed sensor settings, press the [+] or the [-] button to set the numbers of magnets on the e-bike spoke (the range is from 1 to 15). The default value is 1.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing speed sensor settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Speed Sensor' is changed from '01' to '01' (no change shown, but implies selection), with other parameters listed.

Power Assistant Sensor Magnets

Assistant Num represents the number of magnets on the PAS disk. The settable range is "5" to "24". The default value is 12.

To change the magnet numbers for the power assist sensor, press the [+] or the [-] button to choose the desired number.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing Assistant Num settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Assistant Num' is shown as '12'.

Assist Level Mode Options

Power Set represents assist level settings. In assist level mode settings, there are 8 modes for your choice: 0-3, 1-3, 0-5, 1-5, 0-7, 1-7, 0-9, 1-9. The default mode is 0-5.

To change assist level mode, press the [+] or the [-] button to choose the desired mode and press the [info-button] button to confirm and access assist level ratio settings automatically.

Two display interfaces showing assist level mode settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Power Set' is changed from '0-3' to '0-5'.

Current Limit Settings

Current Limit represents controller over-current cut settings. The current value can be changed from 7.0A to 25.0A. The default value is 15A.

To change basic settings, press the [+] or the [-] button to increase or decrease the value of the current.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing current limit settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Current Limit' is changed from '24A' to '24A' (no change shown, but implies selection).

Sensitivity

Sensitivity represents the sensitivity of power assist sensor. It means the motor assist should start after a certain number of magnets are passing the power assist sensor.

To change the value, press the [+] or the [-] button to choose the sensitivity value. The default value can be customized.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing sensitivity settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Sensitivity' is changed from '2' to '2' (no change shown, but implies selection).

Slow start

Slow start represents slow start-up settings. It is a time duration before you get power assistance when stepping into the pedals. The range is "0-3". "3" is the slowest. The default value is "1".

To change slow start up settings, press +/- button to choose the desired value. And press the [info-button] button to confirm and store a changed setting.

Two display interfaces showing slow start settings. The first shows 'Advance Settings'. An arrow points to the second, where 'Slow Start' is changed from 'ON' to 'ON' (no change shown, but implies selection).

SOC View Settings

SOC V represents 2 display modes of battery SOC. One is by the percent value and the other is by the Voltage value. Press the [+] button or the [-] button to choose the desired display method. The default view method is by the percent.

To store a changed setting, briefly press the [info-button] button to confirm.

Two display interfaces showing SOC view settings. The first shows 'Advance Settings'. An arrow points to the second, where 'SOC V' is changed from 'Percent' to 'Percent' (no change shown, but implies selection).

Auto-off Time Settings

Dormancy represents display auto-off time settings. To change display automatic shutdown time, press Dormancy and press the [+] button or the [-] button to choose the desired duration. The default auto-off time is 5 minutes.

To store a changed setting, briefly press the [info-button] button.

Two display interfaces showing auto-off time settings. The first shows the main settings grid. An arrow points to the second, where 'Dormancy' is selected, showing 'Dormancy 3 Min'.

Unit km/mile toggling

Unit represents unit toggling settings. To toggle the unit, press the [+] button or the [-] button to choose the desired unit and press the [info-button] button to confirm. The default unit is "Metric (km)".

To store a changed setting, briefly press the [info-button] button to confirm.

Two display interfaces showing unit toggling. The first shows the main settings grid. An arrow points to the second, where 'Unit' is selected, showing 'Toggle Unit Metric'.

Password Settings

Password means display power-on password settings.

To access the power-on password setting page, select 'Password' in the menu and press [info-button] button to confirm.

PassWord Set means power-on password settings. Power-on password is a 4-digit code. The default password is '1212'.

1.Power-on Password Disable/Enable

To enable or disable Start PassWord settings, press the [+] or the [-] button to select ON or OFF. ON means enabling a power-on password while OFF means disabling a power-on password. The default value is OFF.

To enable a power-on password, choose ON and press [info-button] button to confirm and input the current password or default password '1212'. Press the [+] or the [-] button to change the number and press the [info-button] button to confirm digits one by one until the correct password (current password or default password '1212') is completed.

To disable the current password, choose OFF and press [info-button] button to confirm and input the current password correctly. The screen displays 'PassWord Canceled Successfully'. Then the display password is restoring the default code '1212'.

Three display interfaces showing password enable/disable. The first shows 'PassWord Set' with 'OFF' selected. An arrow points to the second, showing 'PassWord Set' with 'ON' selected. Another arrow points to a screen prompting 'Please Input Your Password'.

2.Power-on Password Reset

From the last interface above, press the [+] or the [-] button to select 'Reset PassWord' and press the [info-button] button to confirm to access power-on password reset interface. There are 3 pages for setting up a new password:

In the first page, please enter the current password or default password '1212' correctly. Then it moves to the second page for inputting a new password. Press the [+] or the [-] button to increase or decrease the number and then press the [info-button] button to confirm digits one by one until a new 4-digit password is completed.

Finally, it comes to the third page and reenter the new password again for confirmation. The screen displays 'PassWord Reset Successfully'.

When switching on the E-bike system next time, please enter the new password to power on the display.

Password Change Interface

Three display interfaces showing password change steps: 'Please Input Your Password', 'Please Confirm Your Password', and 'Please Input The New Password', followed by 'PassWord Set Successfully!'

Factory settings

Factory means restoring to default settings.

To reset to defaults, press the [+] or the [-] button to choose YES or NO. The default is NO.

To store a changed setting, press the [info-button] button to confirm.

Two display interfaces showing factory settings. The first shows the main settings grid with 'Factory' selected. An arrow points to the second, showing 'Factory' with 'Restore NO' options.

Display settings

Display means display basic parameter settings, for example, trip reset etc..

Two display interfaces showing display settings. The first shows the main settings grid with 'Display' selected. An arrow points to the second, showing 'Display Settings' with 'TRIP Reset NO' and BACK options.

Trip Distance Clearance

Trip Reset represents trip distance clearance setting. To clear trip distance, press the [+] button or the [-] button to select Yes or No. Yes represents clearing a single ride distance. No represents not clearing a single ride distance.

To store a changed setting, briefly press the [info-button] button to confirm.

Two display interfaces showing trip distance clearance. The first shows 'Display Settings' with 'TRIP Reset NO'. An arrow points to the second, showing 'TRIP Reset Yes'.

Exit Settings

Exit means return back to home screen from setting pages.

A display interface showing the main settings grid with 'Exit' selected. An arrow points to the home screen display showing battery (90%), power (682W), speed (5.5 km/h), mode (Sport), trip distance (20.5 km), and PAS level (1).

If there is no operations in one minute; the display will exit the settings state automatically.

Quality Assurance and Warranty Scope

Warranty

(1)The warranty will only be valid for products under proper use and maintenance as instructed.

The following cases do not belong to our warranty scope.

• The display is demolished.
• The damage of the display is caused by wrong installation or operation.
• Shell of the display is broken when the display is out of the factory.
• Wire of the display is broken.
• The fault or damage of the display is caused by the force majeure (e.g., fire, earthquake, etc.).
• Beyond Warranty period.

Connection Layout

Standard connector wiring

Two images showing the display-side connector and the mating connector from the controller side. The display connector has a 'Bump', and the controller connector has a 'Groove'. Both show 5 pins numbered 1 through 5.

Some displays have wire connection with water-proof connectors, users can not see the color of lead wires in the harness.

Warnings

Use the display with caution. Don't attempt to release or link the connector when battery is on.

Try to avoid hitting the display.

Don't modify system parameters to avoid parameter disorder.

Make the display repaired when error code appears.

*This manual instruction is a universal version for DISPLAY KD718. Some versions of this display may be different from specification to specification as to the software. Please always refer to an actual version.

Attached list 1: Error code definition