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This UI is similar to STAR momentary. The interface is:
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- Short press to enter the lowest level.
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- Long press to enter the highest level. Keep holding to step down to
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lower levels, and release when the desired level is reached.
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- Short-then-long press to display battery status and then shut off.
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- Short press to increase brightness level.
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- Long press to decrease brightness level. Keep holding to keep
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The long press (and hold) action will stop when it reaches the "off"
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state, so you can always shut the light off by holding the button down.
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Turbo step-down (30 seconds) and low-voltage protection are enabled by
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The battery check mode reads the voltage a few times with no significant
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load, then should blink up to five times:
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- 0 blinks: < 3.3V (low battery, recharge ASAP!)
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- 1 blink : 3.3V to 3.6V (0% to 25% full, probably time to recharge)
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- 2 blinks: 3.6V to 3.8V (25% to 50% full)
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- 3 blinks: 3.8V to 4.0V (50% to 75% full)
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- 4 blinks: 4.0V to 4.2V (75% to 100% full)
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- 5 blinks: > 4.2V (4.35V battery or > 100% full)
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For more information on what the above means for different types of
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batteries, see the charts in this post:
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http://www.candlepowerforums.com/vb/showthread.php?345795-Estimating-remaning-capacity-in-LiIon-batteries
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The short version is: high-amperage batteries maintain a higher voltage
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than high-capacity batteries, so one blink might mean 5% full for a
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high-amp cell while it would mean 30% full for a high-cap cell. It is
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recommended that you remember what kind of battery is being used.