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Sofirn BLF LT1 - Advanced UI; Smooth Ramping; Stepped Ramping; Momentary Mode

Sofirn BLF LT1
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Advanced UI
Advanced UI has all the advanced functions which are fun to play with but also hard to learn.
Please refer the coming UI diagram for better understanding.
Default UI: Smooth ramping
This UI provides smooth dimming of the light output between FLOOR (lowest level) and CEILING
(highest level), with an easily accessible 100% TURBO mode.
Switch to STEPPED RAMP: click 3 times while the light is on( If you use 3 clicks from OFF you
engage battery check)
Turn the light ON: single-click the button, the LT1 turns ON using the previously used light output
level (MEM)
Ramp up&down: hold the button to make it brighter, release button briefly and hold again to make
it dimmer.
Turbo: no matter the light is on or off, double click activate Turbo for max brightness.
MOON: press & hold the switch, it turns on at the moonlight(FLOOR level), it makes a subtle
“blink” to provide a timing hint if you want to stay there. If you keep holding, it ramps up
Battery check: while light is OFF, triple-click it shows the voltage of battery (3 blinks, a short pause,
then 8 blinks would indicate 3.8 V)
Turn OFF: single-click
UI: Stepped ramping
Using this UI the output does not ramp, it steps from one mode to the next using hold. The
firmware tries to optimize these steps as equally-spaced on a cube-root curve (considered an ideal
mode-spacing by many).
All operations are the same as in smooth ramping Switch to SMOOTH RAMP: when the lamp is ON,
Three clicks switch it. (Hint: If you use 3 clicks from OFF you engage battery check)
UI: Momentary mode
5 clicks from OFF to enter Momentary mode
To exit this mode, physically disconnect power (unscrew the light). This mode locks the flashlight
into a single-mode interface where the LEDs are only on when the button is held down. It is
intended for Morse code and other signaling tasks. Brightness is the last-ramped level, so adjust
that before entering momentary mode.
UI: Electronic Lockout
4 clicks form OFF to disable the light, same to re- enable the lamp.
Lockout makes the light safe to carry in a pocket or a bag or anywhere else it might be pressed by
accident. Lockout doubles also as a momentary moonlight mode, so the user can do quick tasks
without having to unlock the light. It uses the FLOOR of the current ramp.
Blinkies & Strobes
Two groups worth of blinkies are included. To reach Blinkies, do click click click” from OFF. To

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