The power pack is fitted with a battery switch to toggle the battery power on/off.
Please ensure the battery button is depressed before trying to turn on the Power Pack Display.
To turn on the LCD press and hold the circle (o) button.
Use the (+) and (–) buttons to adjust the level of pedal assist.
To turn the front light on and off, press and hold the (+) Button.
Video Demonstration Instructions
Please refer to this video for more advanced operation of the Display. https://youtu.be/wtIsJZ2IMHY
Also refer to the display manual for more detailed instructions.