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). To exit, hold low red (L).
3. Your lights will turn off and lock. They cannot be turned back on by clicking.
4. You may now select high red (H) or low red (L).
5. To unlock, click and hold for 3 seconds. Your lights will return to normal function with all programming retained.