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Key-Disp KD986 User Manual

E-bike display
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Summary of Contents for Key-Disp KD986

  • Page 2 Content Product Model ........................1 Specifications ........................1 Appearance and Size ......................1 Function Summary ....................... 2 General Operation ........................ 2 ◆Definition of Button ......................2 ◆Power on/off ........................2 ◆Display Interface ......................2 ◆6km/h Push-assistance ....................3 ◆Headlight .......................... 3 ◆PAS level ..........................
  • Page 3 ◆Start Strength Setting ....................13 ◆Assist Sensitivity Setting ....................14 ◆Reset To Defaults Setting.................... 14 ◆Password Setting ......................15 Power-on Password Enable ..................15 Reset Power-on Password ..................16 ◆Zero Start Setting ......................16 ◆Drive Mode Setting ....................... 17 Information（hardware version） .................. 17 Bluetooth Function ......................
  • Page 4 Product Model Intelligent TFT display for E-bike; model: KD986 Specifications ●36V/48V 电源供电 36V/48V Power Supply ● Rated working current: 50mA ● ： The maximum working current 200mA ● ： Off leakage current <1μA ● ：-20～60℃ Operating temperature ● ：-30～70℃ Storage temperature...
  • Page 5 Function Summary KD986 can provide a lot of functions to fit your needs. The indicating contents are as follows: ● Battery indicator ● Motor power indicator ● PAS level adjustment and indicator ● Speed function (incl. real speed, Max. speed and Avg. speed) ●...
  • Page 6 Display Interface ◆6km/h Push-assistance Hold the “DOWN” button will activate the push-assistance function, after 2s, the E- bike will travel at a uniform speed of 6 Km/h while the screen displays “ ”. The push- assistance function is switched off as soon as you release the “DOWN” button. The E-bike system stops the power output immediately, and back to the status before push-assistance mode.
  • Page 7 After turning on the headlights, the brightness of the backlight will decrease. Press and hold the "UP" button for more than 2 seconds to turn off the headlights and restore the brightness of the backlight. Headlight Interface ◆PAS level Short press the "UP" or "DOWN" button to switch the power assist gear of the electric vehicle and change the output power of the motor.
  • Page 8 Motor Power Display Interface ◆USB connection When the display is plugged into a USB external device, the meter will display the interface as shown in the figure below. USB Connection Interface ◆ Error code When the electronic control system fails, it will automatically display the error code. Here is the detailed message of the error code in Attached list 1.
  • Page 9 Parameter setting Long press the "ON/OFF" button to power on. In the power-on state, when the e-bike is stationary, press and hold the "i" button for more than 2 seconds, and the display enters the setting state. Including Display setting (display settings), Advanced settings (advanced settings) and Information (software information) Setting Interface ▉All the settings are operated on a parked e-bike.
  • Page 10 ◆Toggle Unit Press the “UP” button or the “DOWN” button to choose the “Toggle Unit”, and then press the “i” button to enter unit settings, press the “UP” button or the “DOWN” button to switch between “Metric” and “Imperial”, press the “i” button to save and exit “Toggle Unit”. The default value is “Metric”.
  • Page 11 ◆ Speed Limited Settings “Speed Limit” represents speed limit settings. Press the “i” button to enter speed limit settings. To change basic settings, press the “UP” or the “DOWN” button to select the desired value. The range is “12-39(km/h)/off”, the default value is no speed limited, press the “i”...
  • Page 12 Voltage Setting Interface Voltage interface ◆LCD luminance settings "LCD Luminance", indicates the backlight brightness setting. Short press "i" to enter the setting, by short pressing "UP" or "DOWN", the backlight brightness range is "100%- 75%-50%-30%-10%" 5 levels of brightness, 100% corresponds to the highest brightness, 10 % corresponds to the lowest brightness;...
  • Page 13 LCD Luminance Settings Interface ◆SOC settings "SOC View" represents two display methods of remaining battery capacity. One is a percentage and the other is a voltage value. Short press the "UP" or "DOWN" button to select the desired display mode. Short press "UP" or "DOWN" to select voltage, percentage "Voltage"/"Percent"...
  • Page 14 AL Sensitivity Setting Interface ◆Auto Power-off Time "Dormancy" represents the automatic shutdown time of the meter. Short press "UP" or "DOWN" to select "Dormancy", short press "i" to enter the setting, short press "UP" or "DOWN" to select the automatic shutdown time range, the automatic shutdown time range is "9-8-7- 6-5-4-3-3-2-1-OFF"...
  • Page 15 short press "i" to save and exit to "Assist levels". Assist Levels Setting ◆Current limit setting "Current Limit" indicates the current limit value setting. The adjustable range is "6A- 20A". Change the maximum current value of the controller by short pressing the "UP" or "DOWN"...
  • Page 16 PAS sensor number settings ◆Speed Sensor Settings "Speed Sensor" represents the speed sensor setting. Short press the "UP" or "DOWN" key to select the number of magnetic heads, and the setting range is "01-99". Short press "i" to save and exit to "Speed Sensor" Speed Sensor Setting Interface ◆Start Strength Setting "Start Strength"...
  • Page 17 Start Strength Setting Interface ◆Assist Sensitivity Setting "Sensitivity" stands for assist sensitivity. Select the assist sensitivity value by short pressing the "UP" or "DOWN" button. The power assist sensitivity range is "3-24", short press "i" to save and exit to "Sensitivity". Assist Sensitivity Setting Interface ◆Reset To Defaults Setting Short press "UP"...
  • Page 18 Reset To Defaults Setting Interface ◆Password Setting Short press "UP" or "DOWN" to select "Password", short press "i" to enter the setting, then short press "i" to select Start PassWord; short press "UP" or "DOWN" to switch " OFF (closed)"/"ON (open)", the following is the specific switching method. Password Setting Interface Power-on Password Enable ...
  • Page 19 Password Enable Setting Interface Reset Power-on Password  After the password is enabled, the "Pass word" interface will add a "Reset Password" option, press "UP" or "DOWN" to select "Reset Password", press "i" again to confirm, and the interface reminds to enter the current password. After the input is correct, the interface reminds to enter a new password, and the subsequent operations are consistent with the new password settings.
  • Page 20 settings, short press "UP" or "DOWN" to switch between "YES" (zero start) / "NO" (non- zero start), short press "i" to save and exit to "Zreo Start". Zero Start Setting Interface ◆Drive Mode Setting Short press "UP" or "DOWN" to select "Drive Mode", short press "i" to enter the setting, short press "UP"...
  • Page 21 Bluetooth Function ◆ Add Bluetooth Device Open the Key-Disp APP and enter the APP homepage, click "My-More Devices-Add Device" to search for Bluetooth to add the display, click "Searched Bluetooth Devices- Finish", the display will show the symbol, which means the connection is successful.
  • Page 22 After the Bluetooth connection is successful, you can use the "+" and "-" functions in the Key-Disp APP to increase or decrease the PAS level of the e-bike to change the output power of the motor. PAS level 0 means no power assist output.
  • Page 23 Turn on the headlight by APP ◆Multi-system switching After the Bluetooth connection is successful, multiple Bluetooth systems can be switched through the Key-Disp APP. Multi-system switching Interface ◆ Navigation interface...
  • Page 24 After the Bluetooth connection is successful, you can open the navigation interface through the "map navigation" function of the Key-Disp APP, enter the destination, and the display will synchronize the mobile phone navigation interface. Connect display navigation interface by APP Find MY ◆...
  • Page 25 ◆Find MY Unbinding method： 1. First, remove the item on the iPhone-Find APP. 2. Power on the meter again. After power-on > 40s, press and hold "+" for 15s and release it, and the unbinding is complete. Then use the search app to search again to verify whether the unbinding is successful.
  • Page 26 Line sequence table Color Function Line Red（VCC） Lock Blue（K） Black（GND） Green（RX） Yellow（TX） ■ Some wire use the water-proof connector, users can not see the inside color. Operation Cautions Be careful of safe use. Don’t attempt to release the connector when battery is on power. ●Try to avoid hitting.