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Anduril User Manual

Anduril is an open-source firmware for flashlights, distributed under the terms of the GPL v3. The sources can be obtained here:

The URL above redirects to the actual project site. Even if the project hosting needs to migrate again, it should continue to work. As of late 2023, this is where it redirects to:

Quick Start

After putting a battery in the light and tightening the parts together, the light should quickly blink once to confirm it has power and is now operational. After that, basic usage is simple:

  • Click to turn the light on or off.
  • Hold the button to change brightness.
  • Release and hold again quickly to change brightness the other way.

That is all the user needs to know for basic use, but there are many more modes and features available for people who want more.

For a full list of button mappings, scroll down to the UI Reference Table at the end of this file.

Button presses

Button presses are abbreviated using a simple notation:

  • 1C: One click. Press and then quickly release the button.
  • 1H: Hold. Press the button, but keep holding it.
  • 2C: Two clicks. Press and release quickly, twice.
  • 2H: Click, hold. Click two times, but hold the second press.
  • 3C: Three clicks. Press and release quickly, three times.
  • 3H: Click, click, hold. Click three times, but hold the final press.

The same pattern is used with higher numbers too. For example, 10C means ten clicks... and 10H means ten clicks but hold the final press.

The number is how many times to press the button. The letter tells whether to release the final press (C) or keep holding it (H).

Factory Reset

If you get lost, or if you want to auto-calibrate the temperature sensor, do a factory reset. This is a good idea to do as soon as you turn on a new light for the first time, to ensure it has a sane configuration.

The process for this is:

  • Loosen tailcap
  • Hold button
  • Tighten tailcap
  • Keep holding button for about 4s

Or:

  • 13H in "Off" mode, and keep holding for about 4s

The light should flicker while getting brighter, then briefly burst to full power. Hold until it reaches full power to do a reset, or let go of the button early to abort.

On some lights, like products where the tailcap method is impossible, use 13H from Off to do a factory reset. If this is difficult, try counting it like music to make it easier:

  1 2 3 4
  2 2 3 4
  3 2 3 4
  HOLD

Simple UI is enabled after each factory reset.

Simple UI

By default, the light uses a simple UI. This is useful if you lend the light to someone else, or if you just don't want to bother with any crazy disco modes.

Simple UI has all the basic functions needed to work as a flashlight, but the minimum and maximum brightness are limited by default to make it safer, and any complex or advanced functions are blocked.

Usage

Functions available in Simple UI include:

  • 1C: On / off
  • 1H: Ramp up (or down, if button was released less than a second ago)
  • 2H: If light is on : ramp down
    If light is off: momentary high mode
  • 2C: Double click to go to / from highest safe level
  • 4C: Lockout mode.

Some other modes and functions are available too. When the light is off, these are the options:

  • 3C: Battery check mode. (displays voltage once, then turns off)
  • 4C: Lockout mode.
  • 10H: Switch to Advanced UI.
  • 15C or more: Version check.

In Lockout mode with Simple UI, there are a few functions:

  • 1H: Momentary moon
  • 2H: Momentary low
  • 3C: Unlock and turn off
  • 4C: Unlock and turn on
  • 4H: Unlock and turn on at low level
  • 5C: Unlock and turn on at high level

To change between Simple UI and Advanced UI, turn the light off and then do one of these:

In Simple UI:

  • 10H: Go to Advanced UI.

In Advanced UI:

  • 10C: Go to Simple UI.

Extended Simple UI

Some lights have additional features enabled in Simple UI, at the manufacturer's request. This typically includes:

  • Ramp -> 3C: Toggle smooth or stepped ramp shape.
  • Ramp -> 5H: Sunset timer.
  • Off -> 7C/7H: Change the aux LED pattern.
  • Lockout -> 7C/7H: Change the aux LED pattern.

Old versions (before 2024-08) also allowed access to strobe/mood modes, which can be dangerous, so if you have one of those, think twice about letting kids use it. Those modes were never intended to be child-safe, and can reach full power with no thermal regulation.

Configuring Simple UI

Simple UI can be configured in several ways, but not while Simple UI is active. So go to the Advanced UI, configure things, then go back to Simple UI.

In Advanced UI's "Off" mode:

  • 10H: Configure Simple UI.

Configurable options include:

  • floor level
  • ceiling level
  • number of steps (in stepped ramp)
  • turbo style

Other options are inherited from Advanced UI, so change these options normally and they will carry over to Simple UI:

  • ramp style (smooth / stepped)
  • smooth ramp speed
  • ramp-after-moon style
  • memory settings
  • auto-lock settings
  • aux LED settings
  • voltage calibration
  • thermal regulation settings
  • hardware-specific "misc menu" settings

Advanced UI

Most of the information below this is for the Advanced UI. Anything not already noted above is blocked in the Simple UI.

Ramping / Stepped Ramping Modes

Anduril's ramping mode uses a smooth ramp or a stepped ramp, depending on which style the user prefers.

Each ramp has its own settings -- floor (lowest level), ceiling (highest level), and the stepped ramp can also have a configurable number of steps.

Additionally, Simple UI has its own ramp settings for floor, ceiling, and number of steps. The smooth/stepped style is inherited from the Advanced UI's ramp.

There are four ways to access ramping mode when the light is off:

  • 1C: Turn on at the memorized brightness. (see below for details about what "memorized" means)

  • 1H: Turn on at the floor level. Let go after the light turns on to stay at the floor level, or keep holding to ramp up.

  • 2C: Turn on at the ceiling level.

  • 2H: Turn on at full power, turn off when released. (momentary turbo) (in Simple UI, this uses the ceiling level instead of turbo)

While the light is on, a few actions are available:

  • 1C: Turn off.

  • 2C: Go to or from the turbo level.
    (or if it has regulated down, "bump" back up to turbo)
    (turbo level / behavior is configurable)

  • 1H: Change brightness (up).
    If the button was released less than a second ago, or if it's already at the ceiling, it goes down instead.

  • 2H: Change brightness (down).

  • 3C: Switch to the other ramp style. (smooth / stepped)
    (or activate the next channel mode, when more than one is enabled)
    (then use 6C instead, for smooth / stepped toggle)

  • 6C: Switch to the other ramp style. (when 3C is mapped to next channel)

  • 3H: Momentary turbo (when current channel has no tint to ramp).

  • 3H: Tint ramping (only when current channel has adjustable tint).

  • 4H: Momentary turbo, when 3H is mapped to tint.

  • 4C: Go to lockout mode.

  • 5C: Go to momentary mode.

  • 5H: Start a sunset timer. Details are below in the Sunset Timer section.

  • 7H: Ramp config menu.

    • Item 1: Floor level.
    • Item 2: Ceiling level.
    • Item 3:
      Stepped ramp: Number of steps. Can be 1 to 150.
      Smooth ramp: Ramp speed.
      1 = Full speed, ~2.5s from end to end.
      2 = Half speed, ~5s from end to end.
      3 = Third speed, ~7.5s.
      4 = Quarter speed, ~10s.

  • 10C: Activate manual memory and save the current brightness.

  • 10H: Ramp extras config menu.

    • Item 1: Disable manual memory and go back to automatic memory.
      (doesn't matter what value the user enters at the prompt)
    • Item 2: Configure the manual memory timer.
      Sets the timer to N minutes, where N is the number of clicks. A value of 0 (no clicks) turns the timer off.
    • Item 3: Configure whether to ramp up after Off -> 1H.
      0: Ramp up after moon.
      1: Don't ramp up, just stay at the floor level.
    • Item 4: Configure Advanced UI's turbo style:
      0: No turbo, only ceiling.
      1: Anduril 1 style. Ramp -> 2C goes to full power.
      2: Anduril 2 style. Ramp -> 2C goes to ceiling, or goes to full power if user ramped up to ceiling first. This value also affects momentary turbo in Ramp and Off modes.
    • Item 5: Configure "smooth steps".
      0: Disable smooth steps.
      1: Enable smooth steps.

Memory determines which brightness level the light goes to with 1 click from off. There are three types of brightness memory to choose from:

  • Automatic: Always uses the last-ramped brightness. (does not memorize levels accessed by a shortcut, like turbo, 2C for ceiling, or 1H-from-off for floor)

  • Manual: Always uses the user's saved brightness.

  • Hybrid: Uses the automatic memory brightness if the light was only off for a short time, or resets to the manual memory level if it was off for a longer time. The timer for this is configurable from 0 to ~140 minutes.

Another way to think of it is: There are three styles of memory for the last-ramped brightness level...

  • Always remember (automatic)
  • Remember for N minutes (hybrid)
  • Never remember (manual)

To choose a memory style, set the configuration accordingly:

mem type manual mem manual mem timer
automatic off any
manual on zero
hybrid on non-zero

If "smooth steps" is enabled, the stepped ramp uses a smooth animation between steps, and turning the light on/off has the edges smoothed off too. With "smooth steps" turned off, these brightness changes are immediate.

Sunset Timer

In the ramp mode or candle mode, it's possible to make the light turn itself off after a while.

To activate the timer, go to the brightness you want and then use a 5H action. Keep holding the button, and the light should blink once per second. Each blink adds 5 minutes to the timer.

In ramp mode, it slowly dims until it's at the lowest level, then shuts off. In candle mode, it stays at the same brightness until the final minute, at which point it dims and dies out.

The user can change the brightness while the timer is active. If this happens during the final few minutes, it also "bumps" the timer up to a minimum of 3 minutes. So if it's getting really dim and you need a little more time, you could do a 5H to add 5 minutes, or simply ramp up to the desired brightness.

Other Modes

Anduril has several other modes too. To access these, press the button more than 2 times when the light is off:

  • 3C: Blinky / utility modes, starting with battery check.
  • 3H: Strobe modes, starting with the most recently used strobe.
  • 4C: Lockout mode.
  • 5C: Momentary mode.
  • 6C: Tactical mode.
  • 7C / 7H: Aux LED configuration.
  • 9H: Misc Config menu. (only on some lights)
  • 10H: Simple UI configuration menu.
  • 13H: Factory reset (on some lights).
  • 15C or more: Version check.

Lockout Mode

Click 4 times from Off to enter Lockout mode. Or 4 times from Ramp. This makes the light safe to carry in a pocket or a bag or anywhere else the button might be pressed by accident.

To exit lockout mode, click 4 times. The light should blink briefly and then turn on at the memorized level. Or hold the final press to turn on at the floor level instead:

  • 3C: Unlock and go to "Off" mode

  • 4C: Go to ramp mode (memorized level).
    (uses manual mem level if there is one)

  • 4H: Go to ramp mode (floor level).

  • 5C: Go to ramp mode (ceiling level).

Lockout mode also doubles as a momentary moon mode, so the user can do quick tasks without having to unlock the light. The brightness in lockout mode has two levels:

  • 1H: Light up at the lowest floor level.

  • 2H: Light up at the highest floor level. (or the manual mem level, if there is one)

  • 3H: Next channel mode (if more than one is enabled).

It is also possible to make the light lock itself automatically after being turned off. To enable this, go to lockout mode and use a 10H action to activate the auto-lock config menu. Release the button after the first blink. Then at the prompt, click N times to set the auto-lock timeout to N minutes.

  • 10H: Auto-lock config menu. Click N times to set timeout to N minutes. A value of zero disables the auto-lock feature. So, to turn off auto-lock, don't click at all.

And on lights which have aux LEDs, there may be additional functions:

  • 7C / 7H: Change Lockout Mode's aux LED pattern. More details on this below, in a separate section.

Blinky / Utility Modes

Click 3 times from Off to access Anduril's blinky / utility modes. This always starts at battery check and the user can proceed to other blinky modes if Advanced UI is enabled. The sequence is:

  • Battery check.
  • Temperature check (if light has a temperature sensor).
  • Beacon mode.
  • SOS mode (if enabled).

In all of these modes, some basic actions are available:

  • Click: Turn off.
  • 2 clicks: Next blinky mode.

Additionally, in battery check and temperature check modes:

  • 7H: Go to the voltage config menu or thermal config menu.

In more detail, this is what each blinky / utility mode does:

Battery check:

Blinks out the battery voltage per cell. Full is 4.2V, empty is about 3.0V. The light blinks the whole-number digit first, pauses, then blinks out the "tenths" digit. Then a longer pause, and it repeats. So for 4.2V, it would be "blink-blink-blink-blink .. blink-blink".

A "zero" digit is represented by a very quick blink.

On lights with more than one set of LEDs, pressing 3C during batt check mode can select which set of LEDs (which channel mode) it uses to blink out numbers.

The voltage config menu has these settings:

  1. Voltage correction factor. This adjusts the battery measurement sensor, allowing the user to add or subtract up to 0.30V in 0.05V steps. Click N times to enter a value:

    1C: -0.30V
    2C: -0.25V
    3C: -0.20V
    4C: -0.15V
    5C: -0.10V
    6C: -0.05V
    7C: default, 0V
    8C: +0.05V
    9C: +0.10V
    10C: +0.15V
    11C: +0.20V
    12C: +0.25V
    13C: +0.30V

  2. Post-off voltage display timeout. (only on lights with RGB aux)
    This setting determines how many seconds the RGB aux LEDs display the voltage color after the torch goes to sleep. Click once per desired second, or zero times to turn this function off.

Temperature check:

Blinks out the current temperature in degrees C. This number should be pretty close to what a real thermometer says. If not, it would be a good idea to enter the thermal config menu and calibrate the sensor. Or let the light settle to room temperature, then use factory reset to auto-calibrate the sensor.

The thermal config menu has two settings:

  • Current temperature. Click once per degree C to calibrate the sensor. For example, if the ambient temperature is 21 C, then click 21 times.

  • Temperature limit. This sets the maximum temperature the light can reach before it will start doing thermal regulation to keep itself from overheating. Click once per degree C above 30. For example, to set the limit to 50 C, click 20 times. The default is 45 C, and the highest value it will allow is 70 C.

Beacon mode:

Blinks at a slow speed. The light stays on for 100ms, and then stays off until the next blink. The brightness and the number of seconds between pulses are configurable:

  • Brightness is the user's memorized ramp level, so set this in ramping mode before activating beacon mode. Follows the same memory rules as ramping -- automatic, manual, or hybrid.

  • Speed is configured by holding the button. The light should blink once per second while holding the button. Release it after the desired amount of time has passed, to set a new beacon speed.
    For example, to do a 10-second alpine beacon, hold the button for 10 seconds.

SOS mode:

Blinks out a distress signal. Three short, three long, three short. Repeats until light is turned off or until battery is low.

The memorized ramp level determines the brightness of SOS Mode.

Strobe / Mood Modes

Anduril includes a few extra modes for a variety of purposes:

  • Candle mode
  • Bike flasher
  • Party strobe
  • Tactical strobe
  • Lightning storm mode

Click 3 times from Off to access these, but hold the third click for a moment. Click, click, hold. The last-used strobe mode is remembered, so it will return to whichever one you used last.

In all of these modes, a few actions are available:

  • 1C: Turn off.
  • 2C: Next strobe / mood mode.
  • 1H: Increase brightness, or strobe faster. (except lightning)
  • 2H: Decrease brightness, or strobe slower. (except lightning)
  • 4C: Previous strobe / mood mode.
  • 5C: Go to momentary mode, for a momentary strobe. (this is useful for light painting)

Additionally, candle mode has one more action:

  • 5H: Activate Sunset Timer, and/or add 5 minutes to the timer.

In more detail, here is what each mode does:

  • Candle mode

    Brightness changes randomly in a pattern resembling a candle flame. If a timer is set, it will run until the timer expires, then get dimmer for one minute, then sputter and turn itself off. Without a timer, candle mode runs until the user turns it off. Brightness is configurable.

  • Bike flasher

    Runs at a medium level, but stutters to a brighter level once per second. Designed to be more visible than a normal ramping mode, but otherwise works mostly the same. Brightness is configurable.

  • Party strobe

    Motion-freezing strobe light. Can be used to freeze spinning fans and falling water. Speed is configurable.

  • Tactical strobe

    Disorienting strobe light. Can be used to irritate people. Speed is configurable, and the duty cycle is always 33%.

    Be careful about heat in this mode, if using it for a long time.

  • Police strobe (on some lights)

    2-color police style strobe. Only works on lights with 2 or more colors.

  • Lightning storm mode

    Flashes at random brightness and random speed to simulate lightning strikes during a busy lightning storm. Do not look directly at the flashlight when this mode is running, because it may suddenly go to full power without warning.

Momentary Mode

Click 5 times from Off to enter Momentary mode. Or 5 times from Ramp, or 5 times from a strobe mode.

This 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, light painting, and other tasks where the light should be on only for a short time and probably in a pattern.

Momentary mode does either a steady brightness level or a strobe, depending on which was active before going to momentary mode. To select which one, go to the mode you want to use, adjust the brightness and speed and other settings, then click 5 times to enter momentary mode.

In steady mode, brightness is the memorized ramp level, so adjust that in Ramp Mode before entering momentary mode.

In momentary strobe mode, the settings are copied from the last-used strobe mode, such as party strobe, tactical strobe, or lightning.

To exit Momentary Mode, physically disconnect power by unscrewing the tailcap or battery tube.

Tactical Mode

Click 6 times from Off to enter Tactical Mode, or 6 times in Tactical Mode to exit and go back to "Off".

Tactical Mode provides instant momentary access to high, low, and strobe, but each of these is configurable. The inputs are:

  • 1H: High
  • 2H: Low
  • 3H: Strobe

Each of these only lasts as long as you hold the button.

Other commands in Tactical Mode are:

  • 6C: exit (go back to Off Mode)
  • 7H: Tactical Mode config menu
    • 1st blink: configure tactical slot 1
    • 2nd blink: configure tactical slot 2
    • 3rd blink: configure tactical slot 3

To change what is in a tactical slot, press 7H, then release the button after the 1st, 2nd, or 3rd blink. Then enter a number. Each click adds 1, and each hold adds 10. The number can be:

  • 1 to 150: set the brightness level
  • 0: last-used strobe mode
  • 151+: go directly to a specific strobe mode
    151 = party strobe
    152 = tactical strobe
    153+ = other strobes, in the same order they're in in the Off -> 3H strobe group

This assumes the light has a ramp 150 levels long. Strobe modes start at the ramp size plus 1, so it may be different if a light has a different ramp size.

Configuration Menus

Every config menu has the same interface. It has one or more options the user can configure, and it will go through them in order. For each menu item, the light follows the same pattern:

  • Blink once, then go to a lower brightness. The user can keep holding the button to skip this menu item, or release the button to dive in and enter a new value.

  • If the user released the button:

    • Stutter or "buzz" quickly between two brightness levels for a few seconds. This indicates that the user can click one or more times to enter a number. It will keep buzzing until the user stops clicking, so there is no need to hurry.

      The actions here are:

      • click: add 1
      • hold: add 10 (only in versions 2021-09 or later)
      • wait: exit

After entering a number, or after skipping every menu item, it waits until the button is released then exits the menu. It should return to whatever mode the light was in before entering the config menu.

Ramp Config Menu

While the light is on in a ramping mode, click 7 times (but hold the final click) to access the config menu for the current ramp.

Or, to access the ramp config for Simple UI, make sure the Simple UI is not active, then do a 10H action from Off.

For smooth ramping mode, there are three menu options:

  1. Floor.
    (default = 1/150)
  2. Ceiling.
    (default = 120/150)
  3. Ramp speed.
    (default = 1, fastest speed)

For the stepped ramping mode, there are three menu options:

  1. Floor.
    (default = 20/150)
  2. Ceiling.
    (default = 120/150)
  3. Number of steps.
    (default = 7)

For the Simple UI mode, there are four menu options. The first three are the same as stepped ramping mode.

  1. Floor.
    (default = 20/150)
  2. Ceiling.
    (default = 120/150)
  3. Number of steps.
    (default = 5)
  4. Turbo style.
    (default = 0, no turbo)

Default values are different for each model of flashlight. The numbers above are only examples.

To configure the floor level, click the button equal to the number of ramp levels (out of 150) at which the floor should be. To set the lowest possible level, click once.

To configure the ceiling level, each click goes one level lower. So 1 click sets the highest possible level, 2 clicks is the 2nd-highest, 3 clicks is the 3rd-highest level, etc. To set the default of 120/150, click 31 times.

When configuring the number of steps, the value can be anything from 1 to 150. A value of 1 is a special case. It places the step halfway between the floor and ceiling levels.

Version Check Mode

This allows people to see which version of the firmware is installed on their light. The format for this is usually a model number and a date. MODEL.YYYY-MM-DD

  • MODEL: Model number
    (usually BBPP where BB is the brand ID, and PP is the product ID)
  • YYYY: Year
  • MM: Month
  • DD: Day

The version number format has changed a few times, so write down the version info and check it against the formats below.

The model number is very important when flashing new firmware. Make sure the new firmware has the same model number as the old firmware. More details on this are in Which Hex File. Use the MODELS file to map a model number to the name of a .hex file.

Version Check Formats

The Version Check function should blink out a series of numbers in one of several formats:

  • MODEL-YYYY-MM-DD-SINCE-DIRTY Anduril 2 from 2023-12 or later. "SINCE" and "DIRTY" may be omitted. Punctuation makes a "buzz" between sections.

    • MODEL: model number
    • YYYY-MM-DD: Year, month, day. This uses the most recent release tag from git, not the build date.
    • SINCE: How many commits since the last official release tag?
    • DIRTY: Adds a "-1" to the end if the repository was locally modified without committing changes.

  • NNNN-YYYY-MM-DD Anduril 2 from 2023-05 or later.
    It's a model number and build date, with "buzz" flashes between sections.

    • NNNN: model number
    • YYYY: year
    • MM: month
    • DD: day

  • YYYYMMDDNNNN Anduril 2 from 2023-05 or earlier.
    It's a build date and model number.

  • YYYYMMDD This is an old Anduril 1 version. It's just a build date.
    If the model name isn't obvious, try looking it up in the PRODUCTS file.

  • 1969-07-20 The date of first human contact with the moon. This value indicates that the person who built the firmware probably made some sort of error.

If the version doesn't include a model number, you may be able to find the model in the PRODUCTS file to see which firmware model it probably uses:

https://bazaar.launchpad.net/~toykeeper/flashlight-firmware/anduril2/view/head:/PRODUCTS

Protection Features

Anduril includes low voltage protection (LVP) and thermal regulation.

LVP makes the light step down to a lower level when the battery is low, and if the light is already at the lowest level, it shuts itself off. This activates at 2.8V. LVP adjustments happen suddenly, in large steps.

Thermal regulation attempts to keep the light from overheating, and otherwise adjusts output to stay as close as possible to the user-configured temperature limit. Thermal adjustments happen gradually, in steps so small they are difficult for humans to perceive.

Aux LEDs / Button LEDs

Some lights have aux LEDs or button LEDs. These can be configured to do different things while the main emitters are off. There is one aux LED mode for the regular "off" mode, and another aux LED mode for "lockout" mode. This allows the user to see at a glance whether the light is locked.

Aux LED modes typically include:

  • Off
  • Low
  • High
  • Blinking

To configure the aux LEDs, go to the mode you want to configure and then click the button 7 times. This should change the aux LEDs to the next mode supported on this light.

  • 7C: Next aux LED mode.

If the aux LEDs can change color, there are additional actions to change the color. It is the same as above, but hold the button on the last click and then let go when the desired color is reached.

  • 7H: Next aux LED color.

On most lights, the colors follow this sequence:

  • Red
  • Yellow (Red+Green)
  • Green
  • Cyan (Green+Blue)
  • Blue
  • Purple (Blue+Red)
  • White (Red+Green+Blue)
  • Disco (fast random colors)
  • Rainbow (cycles through all colors in order)
  • Voltage (uses color to display battery charge)

In voltage mode, the colors follow the same sequence, in the same order as a rainbow... with red indicating a low battery and purple indicating a full battery.

battery charge colors

For lights with a button LED, the button LED typically stays on while the main emitters are on. Its brightness level is set in a way which mirrors the main LED -- off, low, or high.

For lights with a RGB button LED, the button LED indicates battery charge during use in the same manner as the aux LED voltage mode.

For lights with front-facing aux LEDs, the aux LEDs typically stay off when the main emitters are on, and when the light is otherwise awake. The aux LEDs on most lights only turn on when the light is asleep.

When a light has a single-color aux LED and no RGB, it fast-blinks the aux LED in "off" modes when voltage is low.

Misc Config Menu

Some models may have an extra config menu for settings which don't fit anywhere else. This menu is located at "Off -> 9H" in the advanced UI.

These settings are, in order:

  • Tint ramp style: (on some lights)

    0 : smooth ramp (blend channels in any proportion)
    1 : middle tint only
    2 : extreme tints only (only one channel active at a time)
    3+: stepped ramp with 3+ steps

  • Jump Start level: (on some lights)

    Some lights are prone to starting up slowly at low levels, so they have an option to "jump start" the engine by pulsing a higher power level for a few milliseconds when changing from off to a low level. This setting specifies how bright that pulse should be.

    The value can be from 1 to 150, but is usually between 20 and 50.

These settings are hardware-specific and may not be present on all lights. The number of settings in the Misc Config Menu depends on the hardware model and the firmware version.

Channel Modes (a.k.a. Tint Ramping or Multi Channel controls)

Some lights have more than one set of LEDs which can be adjusted to change the beam color, shape, or other properties. These lights have features like tint ramping and channel modes.

On these models, there are some global button mappings which work at all times unless they're overridden by the mode the light is in:

  • 3C: Next channel mode
  • 3H: Adjust current channel mode (ramp tint, for example)
  • 9H: Channel mode config menu

Details depend on the exact type of light used. For example, if a light has LEDs in cool white, warm white, and red... that light might have a few channel modes:

  • White blend (adjustable CCT / tint ramping)
  • Red only
  • Auto-tint

On a light like this, the user could press 3C to rotate through these different channel modes... white, then red, then auto, then back to white.

Additionally, in the "white blend" mode, the user could press 3H to manually adjust the balance between warm white and cool white.

Finally, if the user decides they don't want all of the modes, they can turn some off. Press 9H (while on) to start the channel mode config menu. To disable the auto-tint mode, for example, it is the 3rd mode... so wait for the 3rd blink, then release the button. Then at the prompt, enter a value of 0 (wait for the prompt to time out without clicking anything). Afterward, the auto tint mode should no longer be in the channel mode rotation. To turn the mode back on later, do the same thing, but enter a value of 1 (click 1 time at the prompt).

A light can have many different channel modes, so don't be shy about turning off any modes you don't use. It makes all the others easier to reach.

If you turn off channel modes until only 1 remains, the Ramp -> 3C action reverts to its single-channel behavior -- switching between a smooth or stepped brightness ramp. Additionally, when a channel mode has nothing to adjust with 3H, the 3H action also reverts to its single-channel behavior -- momentary turbo.

The Misc Config Menu (Off -> 9H) may also have a setting to choose a tint ramp style. There are a few styles available, by entering different numbers into that config menu:

0: smooth ramp
1: middle tint only
2: extreme tints only
3+: stepped ramp with 3+ steps

This setting only applies to modes with channel ramping (i.e. tint ramping), and only when that mode uses the default 3H event handler. Custom channel modes may work differently.

UI Reference Table

This is a table of all button mappings in Anduril, in one place:

"Off" Mode

Mode UI Button Action
Off Any 1C On (ramp mode, memorized level)
Off Any 1H On (ramp mode, floor level)
Off Any 2C On (ramp mode, ceiling level)
Off Simple 2H On (momentary ceiling level)
Off Full 2H On (momentary turbo)
Off Any 3C Battcheck mode
Off Full 3H Strobe mode (whichever was used last)
Off Any 4C Lockout mode
Off Full 5C Momentary mode
Off Full 6C Tactical mode
Off Full 7C Aux LEDs: Next pattern
Off Full 7H Aux LEDs: Next color
Off Full 9H Misc Config menu (varies per light):
?1: tint ramp style
?2: jump start level
Off Full 10C Enable Simple UI
Off Simple 10H Disable Simple UI
Off Full 10H Simple UI ramp config menu:
1: floor
2: ceiling
3: steps
4: turbo style
Off Any 13H Factory reset (on some lights)
Off Any 15+C Version check

Ramp Mode

Mode UI Button Action
Ramp Any 1C Off
Ramp Any 1H Ramp (up, with reversing)
Ramp Any 2H Ramp (down)
Ramp Any 2C Go to/from ceiling or turbo (configurable)
Ramp Full 3C Change ramp style (smooth / stepped)
Ramp Full 6C (same as above, but on multi-channel lights)
Ramp Full 3H Momentary turbo (when no tint ramping)
Ramp Full 4H Momentary turbo (on multi channel lights)
Ramp Any 4C Lockout mode
Ramp Full 5C Momentary mode
Ramp Full 5H Sunset timer on, and add 5 minutes
Ramp Full 7H Ramp config menu: (for current ramp)
1: floor
2: ceiling
3: speed / steps
Ramp Full 10C Turn on manual memory and save current brightness
Ramp Full 10H Ramp Extras config menu:
1: switch to automatic mem, not manual mem
2: set manual mem timeout
3: ramp after moon or not
4: advanced UI turbo style
5: smooth steps

Multi-channel Lights

Mode UI Button Multi-channel lights only!
Any Any 3C Next channel mode (i.e. next color mode)
Any Any 3H Tint ramp (if this mode can)
Any Full 9H Channel mode enable/disable menu:
N: click (or not) to enable (disable) mode N

Lockout Mode

Mode UI Button Action
Lockout Any 1C/1H Momentary moon (lowest floor)
Lockout Any 2C/2H Momentary moon (highest floor, or manual mem level)
Lockout Any 3C Unlock (go to "Off" mode)
Lockout Any 3H Next channel mode (if more than one enabled)
Lockout Any 4C On (ramp mode, memorized level)
Lockout Any 4H On (ramp mode, floor level)
Lockout Any 5C On (ramp mode, ceiling level)
Lockout Full 7C Aux LEDs: Next pattern
Lockout Full 7H Aux LEDs: Next color
Lockout Full 10H Auto-lock config menu:
1: set timeout in minutes (0 = no auto-lock)

Strobe Group Modes

Mode UI Button Action
Strobe (any) Full 1C Off
Strobe (any) Full 2C Next strobe mode
Strobe (any) Full 3C Next channel mode (saved per strobe mode)
Strobe (any) Full 4C Prev strobe mode
Strobe (any) Full 5C Momentary mode (using current strobe)
Party strobe Full 1H/2H Faster / slower
Tactical strobe Full 1H/2H Faster / slower
Police strobe - - None (brightness is Ramp Mode's last-used level)
Lightning Full 1H Interrupt current flash or start new one
Candle Full 1H/2H Brighter / dimmer
Candle Full 5H Sunset timer on, add 5 minutes
Biking Full 1H/2H Brighter / dimmer

Blinky Modes

Mode UI Button Action
Batt check Any 1C Off
Batt check Full 2C Next blinky mode (Temp check, Beacon, SOS)
Batt check Full 3C Next channel mode (for number blinks only)
Batt check Full 7H Voltage config menu
1: voltage correction factor
...
5: -0.10V
6: -0.05V
7: no correction
8: +0.05V
9: +0.10V
...
2: post-off voltage display seconds
Mode UI Button Action
Temp check Full 1C Off
Temp check Full 2C Next blinky mode (Beacon, SOS, Batt check)
Temp check Full 7H Thermal config menu
1: set current temperature
2: set temperature limit
Mode UI Button Action
Beacon Full 1C Off
Beacon Full 1H Configure beacon timing
Beacon Full 2C Next blinky mode (SOS, Batt check, Temp check)
Mode UI Button Action
SOS Full 1C Off
SOS Full 2C Next blinky mode (Batt check, Temp check, Beacon)

Momentary Mode

Mode UI Button Action
Momentary Full Any On (until button is released)
Momentary Full Disconnect power Exit Momentary mode

Tactical Mode

Mode UI Button Action
Tactical Full 1H High (tactical slot 1)
Tactical Full 2H Low (tactical slot 2)
Tactical Full 3H Strobe (tactical slot 3)
Tactical Full 6C Exit (go back to Off Mode)
Tactical Full 7H Tactical Mode config menu:
1: tactical slot 1
2: tactical slot 2
3: tactical slot 3

Config Menus

Mode UI Button Action
Config menus Full Hold Skip current item with no changes
Config menus Full Release Configure current item
(goes to Number Entry menu)
Number entry Full Click Add 1 to value for current item
Number entry Full Hold Add 10 to value for current item