1. With the light off, hold the button down until it flashes red. Then release.
2. To lock your light, hold to select High Red (H), then release. To exit, hold Low Red (L), then release.
3. If you selected High Red, your lights will turn off and lock. They cannot be turned back on by clicking.
4. To unlock, click and hold for 3 seconds. Your lights will return to normal function retaining all custom programming.