KING METER K5242-BLT Round Electric Bike User Guide

USERS GUIDE
K5242-BLT LCD

Preface

Dear user, to ensure better performance of your e-bike, please read through the K5242-BLT product introduction carefully before using. We will use the most concise words to inform you of all the details (including the hardware installation, setting and normal operation use of the display) when using our display. Meanwhile, the introduction will also help you to solve possible confusion and barriers.

Appearance and Dimensions

1.1 Material and Color
K5242-BLT products are made of black and white PC. Under the temperature of -20 to 60℃, the shell material can ensure normal usage and good mechanical performance.
Dimension（unit：mm）K5242-BLT is equipped with special button. N3 button can be installed on the left side of the handlebar or on the right side of the handlebar. N3 button is connected with the bottom lead of k5242-BLT display.
Its dimension is as follows

Function and Button Definition

2.1 Function description
K5242-BLT provides you with a variety of function modes, to meet your riding needs.
Its functions are as follows:

• Battery power indication
• Motor power indication
• Speed indication
• Distance (including single trip distance and ODO display)
• Single trip time indication
• Walk assist indication
• Backlight setting
• Error code indication
• Various setting parameters
• Bluetooth connection & Navigation function

2.2 Normal Display Content

2.3 Button definition
There are 3 buttons on K5242-BLT, In the following introduction, is named as “MODE”. is named as “UP” and is named as “DOWN”.

Note for Users

Be care of the safety use. Don’t attempt to release the connector when battery is on power.
Try to avoid hitting.
Don’t split the waterproof sticker to avoid affecting the waterproof performance.
Don’t modify system parameters to avoid parameters disorder.
Make the display repaired when error code appears.

Installation Instruction

When the e-bike is powered off, you can insert the connector of display and the corresponding connector of controller to complete the installation, and adjust the display to a suitable angle.

User Settings

5.1 On / Off
Long press “MODE” button then the display will work normally, and the controller will power on at the same time.
With the display on, long press “MODE” button, the display will shut down, the display will leave off battery, the leakage current of display on is less than 1μA.
If the e-bike is not used for more than 10 minutes, the display will automatically shut down.
5.2 User interface
There are three display interfaces, including normal display interface, data statistics interface and Navi interface. Long press “UP” + “MODE” button to switch from normal display interface to data statistics interface; long press “MODE” button to switch back from data statistics interface to normal display interface. Short press “MODE” button to switch to the Navi interface.  5.3 Normal display interface
The normal interface can be displayed when the display starts up normally. The interface can display real-time battery power, real-time speed (SPEED), single trip distance (TRIP), odometer (ODO), Motor Power output (WATT) and PAS level (PAS) of the E-bike. 5.4 Data statistics interface
When the speed is 0, long press “UP” + “MODE” button to switch from the normal display interface to the data statistics interface.
The data statistics interface is used to calculate and display the data of single ride of E-bike. It includes riding time, riding distance, max speed, Avg Speed and linear statistical chart of single riding speed.
Long press “MODE” button or when E-bike has speed, the data statistics interface will switch to the normal display interface automatically.
Note: the maximum statistical time range of linear statistical chart is three hours, and the timing will re-start again after three hours. 5.5 Walk Assist Mode
Press and hold the “DOWN” button for 2 seconds to enter the Walk assist mode. The E-bike will travel at a constant speed of 6km/h Walk Assist function can only be used as pushing the e-bike by hands. Please don’t use this function when riding.
5.6 Headlight On/Off
Long press the “UP” button, the backlight will be turned on, and the controller will be informed to turn on the headlight. Long press the “UP” button for 2 seconds again to turn off the backlight and turn off the headlight. 5.7 PAS Level Selection
Short press the “UP” or “DOWN” button to switch the PAS level, the motor output power will be changed accordingly by the PAS level of E-bike. The default range of PAS level is 0-5 levels. Level 1 is the lowest output level, and the level 5 is the highest output power level of the motor. When the speed is surpass 15km/H, the speed meter will be full screen display. 5.8 Battery Indicator
The battery power is shown as a percentage bar. When the battery is fully charged, the power bar shows 100% 5.9 Output Power Indicator
The display can show the current output power of the motor. The indicator is shown in the figure below. 5.10 Error Code
When the e-bike electronic control system fails, the display will automatically indicate the error code.
For the definition of detailed error codes, see appendix 1. The fault can only be exited when the fault is eliminated, and the E-bike cannot continue to drive after a fault occurs.
User Settings
When there is no speed in the power on state, press and hold the “UP” and “DOWN” button at the same time for 2 seconds, and the display will enter the setting interface. Press “UP” or “DOWN” button to select display settings.

6.1 Wheel Size Setting
Short press “MODE” button to enter the setting option. The settable values are: 16, 18, 20, 22, 24, 26, 700C, 27.5, 28 and 29 inch. Select the corresponding wheel diameter of the E-bike through “UP” and “DOWN” button to ensure the accuracy of the speed display and mileage display. Long press “MODE” button to return to the setting list interface. 6.2 Speed Limit Setting
Short press “MODE” button to enter the setting option. The optional range of the maximum speed setting is 17Km/h to 45Km/h. It can be set by “UP” and “DOWN” button. Long press “MODE” button to return to the setting list interface. 6.3 Backlight Brightness Setting
Short press “MODE” button to enter the setting option. The setting options: 1, 2 and 3 indicates the backlight brightness, 1 is the darkest, 2 is standard brightness, 3 is the brightest. The default value is 3.
Long press “MODE” button to return to the setting list interface. 6.4 Display Unit Setting
Short press “MODE” button to enter the setting option. The setting parameters are Km/h and Mile/h.
The default mile/h unit is imperial. Km/h or Mile/h can be selected by pressing “UP” and “DOWN” button. Km/h means the unit is metric system, and Mile/h means the unit is Imperial system. Long press “MODE” button to return to the setting list interface. 6.5 Version Information Interface
Short press “MODE” button to enter the “About” interface, this interface shows manufacturer’s name, software and hardware version number and other information, which is usable for later display maintenance. 6.6 Exit Setting
In the setting list interface, short press “MODE” button for saving the settings and exit the setting state.
If there is no operation within one minute, the display will automatically exit the setting state.
6.7 Bluetooth Connection
In Bluetooth mode, the user need to install the APP “Tahuna” in the APP Store, When the display is powered on and the Bluetooth function of the mobile phone is turned on, log in to the APP for use.
The bluetooth name of the display is: “BR2262e”. Short press “MODE” button to enter the Navi interface. 6.8 Navi Mode
The navigation mode can only be used when the Bluetooth function is turned on in the Navi interface.
The display will show the current remaining distance and riding direction.
The instructions are as follows

Turn left, then
slight left| | Turn left, then slight right|
Turn right, thenm left| | Turn right, then right|
Turn right, thensharp left| | Turn right, then sharp right|
Turn right, then slight left| | Turn right, then slight right|
Turn sharp left, then left| | Turn sharp left, then right|
Turn sharp left, then sharp left| | Turn sharp left, then sharp right|
Turn sharp left, then slight left| ![KING METER K5242-BLT Round Electric Bike

• sharp left 5](https://manuals.plus/wp-content/uploads/2024/05/KING- METER-K5242-BLT-Round-Electric-Bike-sharp-left-5.jpg)| Turn sharp left, then slight right|
  Turn sharp right,then left| | Turn sharp right, then right|
  Turn sharp right, then sharp left| | Turn sharp right, then sharp right|
  Turn sharp right,then slight left| | Turn sharp right,then slight right|
  Turn slight left,then left| | Turn slight left, then right|
  Turn slight left, then sharp left| | Turn slight left, then sharp right|
  Turn slight left,then slight left| | Turn slight left, then slight right|
  Turn slight right, then left| | Turn slight right, then right|
  Turn slight right, then sharp left| | Turn slight right, then sharp right|
  Turn slight right,then slight left| | Turn slight right, then slight right|

Preparation Before Startup

Please read the instruction carefully before using the display.

FAQ

Q: Why can’t turn on the display?

A: Please check whether the battery is turned on or the leakage lead wire is broken

Q: How to deal with the error code display?

A: Contact the e-bike maintenance station in time.

Quality Assurance and Warranty Scope

I, Warranty Information:

1. King-Meter will be responsible for all faults arising during normal operation that are caused by a quality defect.
2. The warranty time is 24 months from the day the display leaves the factory.

II, The following are not covered by warranty:

1. Shell opened.
2. Connector damaged.
3. After display out of factory, the shell is scratched or damaged.
4. Lead wire of display scratch or break.
5. The fault or damage is caused by the force majeure (such as fire, earthquake, etc.) or natural disasters (such as lighting, flooding, etc.)
6. Product exceeded warranty period.

Version

The instruction manual of this display is the operation manual of the general software version (version 1.0) of Tianjin King-Meter Technology Co., Ltd. The version of the display software used on some vehicles may be slightly different from this manual, and the actual version used shall prevail.

Appendix 1： Error Code Definition

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