1. Place the Strike on its side.
2. Power the Strike on—the indicator light will illuminate red for advanced (fast) mode.
3. Quickly press and release the power button to cycle through the speed modes. Stop once the indicator light changes to the respective color of your desired speed.
*** Keep in mind that the device indicator light turns red when placed on (1) wheel, and will turn green when placed back on (2) wheels, this is normal.