Convoy M21H — UI Reference

Convoy's e-switch UI is shared with other flashlights such as the M26D, S21F, M21F, and others.

1. Short click ⇒ Normal mode. Light turns on to the last used brightness.
   • Click and hold ⇒ Brightness ramps up.
   • Click and hold ⇒ Brightness ramps down, to a minimum of 1%.
   • Short click ⇒ Light turns off.
2. Long-click ⇒ Moonlight mode (0.2%)
3. Click 2 times ⇒ Brightness 100%. (also works during normal mode)
4. Click 3 times ⇒ Strobe. (also works during normal mode)
5. Click 4 times ⇒ Tactical mode.
   • Click and hold ⇒ Light turns on 100%. (momentary press; light turns off upon release)
   • Click 4 times ⇒ Quit tactical mode.
6. Click 5 times ⇒ Display battery level.
   • 3 blinks, a pause, and 2 blinks — this means 3.2V
   • 2 blinks, a pause, and 7 blinks — this means 2.7V
7. Click 6 times ⇒ Toggle between smooth ramping and stepped output levels (1%-10%-40%-100%).
8. Click 10 times ⇒ Lock mode. (Upon entering, it shows one short blink, followed by one longer blink)
   • Click 10 times ⇒ Unlock.   (Upon leaving, it blinks once dimly, followed by blinking once brightly)

The flashlight has low voltage protection and temperature control protection.

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(these instructions originally taken from https://convoylight.com/products/detail/6748296 )