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How to install the led bike wheel light
1) Install 3 AAA batteries in the light and 2 AAA batteries in the transmitter .
2) Install Bike Wheel Light unit on hub of bike wheel with the LED's facing either side of bike.
3) Install the sensor unit on the fork of the wheel. Make certain the sensor is aimed at the target point on the Bike Wheel Light (as in diagram) but does not touch it.
4) If you installed the unit facing the left side of your Bike, the letters will be backwards. To change the letters hold the ON button down for 5 seconds until you see the LED lights start to flashing for a few times. The letters will now be correct.

How to edit your own message:
1) Copy the software(whole file)to your computer
2) Double click on the icon to open the software.
3) Connect the USB transmitter to your computer. You will see the icon's color of the Read memory change into BLACK.
4) Click on the icon of "New one group" to create a new group. And then you will see both icons' color of the Read memory and Write memory change into BLACK.
5) Input your message in the Text area, and edit accordingly. After you finished the 00 (first message),then click on 01 (at the bottom of the edit window) you will find the 01 is in a blue pane, you can input the message for 01 now. Use the same way to finish message 02 and 03.
If you like, you can draw a simple symbol in the edit widow by using your mouse.
6) Click on the icon of "File" and then select "Save" or "Save as…" to save your file.
7) Click on the icon Write memory to write the message into the transmitter>  Remove the transmitter from your computer after you see “Write Memory Data” is 100% finished”.

* Note: Default position is at fork of the wheel. You can change the position by pulling the blue line under the text (in the blank circle).

How to transmit the finished message to the wheel light:
1)Turn the wheel light on by pressing the power button.
2) Hold the transmitter with the sending point aiming at the receive point on the Bike Wheel Lights.  The distance should be around 20 Inches (50cm).
Please Note: The wireless signal transmission maybe reduced by the strong sunshine, so please avoid the direct strong sunshine while sending the message.
3)The first message: Press the button on the transmitter and the green signal light inside the transmitter will flash. And you will see Light A turns on. And then Light B turns on. The first message is finished.
4)The second message: Same as the first message. And you will see Light B and C turn on.
5)Using the same way to finish sending the third and the forth message.
6)Your wheel light is now ready to display your messages.