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authorSelene ToyKeeper2023-11-02 17:16:25 -0600
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-RampingIOS V3 Manual
-http://aperiodic.net/phil/archives/Geekery/rampingios-v3.html
-
-Tue, 28 Aug 2018
-9:47AM | Geekery | #
-
-
-RampingIOS V3 Manual
---------------------
-
-[rampingiosv3-ui.png] RampingIOS V3 UI diagram
-
-The Emisar D4S flashlights use a firmware named RampingIOS V3. (The Emisar D4,
-D1, and D1S all use RampingIOS V2.) There's not really a manual; the only thing
-we get is the diagram on the right. It's reasonably comprehensive, but there's
-a fair amount of detail it merely summarizes, so I thought a textual manual
-would be nice.
-
-The Emisar D4S only works when the head and tailcap are tightened fully. You
-can physically lock it out--prevent it from turning on accidentally--by simply
-loosening the tailcap a small amount. A quarter turn will do it.
-
-Emisar lights are known for their ramping interfaces. Rather than have a small
-number of distinct brightness levels, they can vary their brightness anywhere
-between their lowest and highest levels, like a light on a dimmer. The D4S is
-in ramping mode by default, but it also has a stepped mode that can be
-configured to be closer to how non-ramping lights work.
-
-Each mode--ramping and stepped--can have differently-configured brightness
-floors and ceilings.
-
-The driver for the D4S has two different chipsets. At low brightness levels, a
-fairly-efficient but low-power chipset (called a 7135) is used. These lowest
-brightness levels are called the "regulated levels". Each regulated level will
-always be the same brightness regardless of how much charge the battery has.
-Above a particular brightness level, the light switches over to a
-less-efficient but high-power chipset (called a FET). These levels are called "
-direct-drive". The brightness of the direct-drive levels is directly related to
-the battery's charge level; the more charged the battery, the brighter the
-levels. The light is at its most efficient, in terms of power used for every
-lumen generated, at the brightest regulated level. When the light is first
-powered by tightening the tailcap, it will default to this level.
-
-At higher brightness levels, the light's LEDs generate a lot of heat. If the
-light exceeds its configured maximum temperature, it will begin dimming itself
-automatically until the temperature drops below the allowed maximum.
-
-The D4S has a set of cyan-colored auxiliary LEDs that can be on when the main
-LEDs are off. You can configure the behavior of the aux LEDs.
-
-
-Basic Usage
------------
-
-The default mode for the light is ramping mode. Triple-pressing the button (3
-clicks) while the light is on will toggle between ramping and stepped mode.
-
-While the light is off, press and release the button (1 click) to turn it on.
-It will turn on at the last-used brightness level. (This is called "mode memory
-".) Immediately after loosening and tightening the tailcap (or after changing
-the battery), the memorized level will be the light's max regulated level.
-
-When the light is on, 1 click will turn it off. The current brightness level
-will be memorized for future use. There's a fraction of a second delay between
-pressing the button and the light actually turning off. That's because of the
-way the light processes input; it's waiting to make sure you're only going to
-press the button once (since multiple presses will trigger other actions).
-
-When the light is on, holding the button down will brighten the light. In
-ramping mode, the brightness will increase gradually ("ramping up"). In stepped
-mode, the light will jump through increasing brightness levels. If you press,
-release, and then hold the button, it will begin dimming. In ramping mode, the
-brightness will decrease gradually ("ramping down"). In stepped mode, the light
-will jump through decreasing brightness levels. While the light is changing, if
-you release the button and immediately hold it again, the direction (dimming or
-brightening) will switch.
-
-In ramping mode, while the light is ramping, it'll briefly blink off and on
-again at two different brightness levels: the maximum regulated level and the
-brightness ceiling.
-
-While the light is off, double-pressing the button (2 clicks) will immediately
-jump to the brightness ceiling.
-
-While the light is on, 2 clicks will jump to the maximum brightness level,
-regardless of the configured brightness ceiling. Another two clicks will go
-back to the previous brightness level.
-
-While the light is off, if you hold the button the light will turn on at its
-lowest level. If you continue holding the button, the light will begin
-brightening from there.
-
-
-Configuration Menus
--------------------
-
-The light has several different configuration modes. Each of those modes works
-more or less the same way. The mode will have a series of menu items that it
-will go through. For each menu item, the light will first blink a number of
-times corresponding to the item number (first, second, etc.) After that, the
-light will begin fluttering on and off fairly quickly. While the light is
-fluttering, you can click the button a number of times; the light will count
-the number of button presses and use that number as its new configuration for
-that menu item. After a short period of time, the fluttering will stop and the
-light will move on to the next menu item. After the light has gone through all
-of the menu items, it will return to whatever mode it was in before entering
-the configuration mode.
-
-If you don't press the button during a particular menu item's fluttering, that
-item will remain unchanged.
-
-
-Configuring the Basic Modes
-
-While the light is on, 4 clicks will enter ramping or stepped configuration
-mode, depending on which mode the light was in before the 4 clicks.
-
-For ramping mode, there are two menu options:
-
- 1. Brightness floor (default 1/150)
- 2. Brightness ceiling (default 150/150)
-
-During the floor configuration, press the button equal to the number of ramping
-levels (out of 150) at which the floor should be. To set the lowest possible
-floor, click the button once.
-
-The ceiling is configured similarly, but you press the button equal to the
-number of steps away from maximum brightness. To set the highest possible
-ceiling (at max brightness), click the button once.
-
-For stepped mode, there are three menu options:
-
- 1. Brightness floor (default 20/150)
- 2. Brightness ceiling (default 120/150)
- 3. Number of steps (default 7)
-
-
-Other Modes
------------
-
-The other modes largely involve multiple clicks from off. Most of them are not
-generally needed for everyday use, but they supplement the light's basic
-operations.
-
-
-BattCheck/TempCheck Modes
-
-From off, 3 clicks will enter "BattCheck" mode, which blinks out the current
-battery voltage. First it blinks the number of volts, then it pauses, then it
-blinks out the tenths of volts. Thus, if the battery were at 3.5 volts, the
-light would blink three times, pause, then five times. For zeroes, it gives a
-very short blink.
-
-A fully-charged lithium-ion battery is 4.2 volts. The light considers 2.8 volts
-to be an empty battery and won't turn on if the battery is at or below 2.8
-volts.
-
-The voltage sequence will continue blinking until you turn off the light with a
-single click.
-
-While the light is in BattCheck mode, 2 clicks will enter TempCheck mode.
-Instead of blinking out the battery voltage, the light will start blinking out
-its current temperature in degrees Celsius, first the tens digit then the units
-digit. Like BattCheck mode, the light will continue blinking out the
-temperature until you turn it off with a single click.
-
-While the light is in TempCheck mode, 4 clicks will enter thermal configuration
-mode. See the thermal configuration mode documentation below for how that
-works.
-
-
-Tactical Mode
-
-From off, 4 clicks will enter "tactical" or "momentary" mode. The light will
-flash once to show that it's entered the mode. The auxiliary LEDs will turn off
-(if they were on). In tactical mode, the light will turn on at its memorized
-brightness for as long as the button is being held down. It will turn off as
-soon as the button is released.
-
-There's no button press combination that will exit tactical mode. To exit it,
-you will have to partially unscrew and retighten the tailcap.
-
-
-Lockout Mode
-
-From off, 6 clicks will enter lockout mode. The light will flash twice to show
-that it's entered the mode. There's a separate aux LED mode for lockout mode,
-so you can tell whether the light is in lockout or not.
-
-In lockout mode, pressing the button will turn on the light at its lowest
-brightness ("moonlight mode") for as long as the button is held down.
-
-Another 6 clicks will exit lockout mode. The light will flash twice to show
-that it's left the mode.
-
-While in lockout mode, 3 clicks will cycle through the various settings for the
-aux LEDs in lockout mode. The four modes are, in order: low, high, blink (on
-high), and off. The default mode is blink.
-
-Remember that loosening the tailcap a quarter turn will also lock out the
-light. Using the 6 clicks is called "electronic lockout", while turning the
-tailcap is "physical lockout".
-
-
-Aux LED Configuration
-
-From off, 7 clicks will cycle to the next aux LED mode. The four modes are, in
-order: low, high, blink (on high), and off. The default mode is low.
-
-
-Beacon Mode
-
-From off, 8 clicks will enter beacon mode. In beacon mode, the light will blink
-on and off every few seconds.
-
-By default, the light will blink every two seconds. To change the timing, use 4
-clicks while in beacon mode. The light will enter a one-item menu. During the
-flickering for input, press the button a number of times equal to the number of
-seconds between blinks.
-
-1 click will exit beacon mode.
-
-
-Thermal Configuration Mode
-
-From off, 10 clicks will enter thermal configuration mode.
-
-The menu items here are:
-
- 1. Current temperature (every click is one degree Celsius)
- 2. Temperature ceiling (every click is one degree above 30?C)
-
-The "current temperature" item can be used to adjust the calibration of the
-light's temperature sensor. To use it, make sure the light has been off long
-enough that all of its components have cooled (or warmed) to the ambient
-temperature. Check the ambient temperature using a thermometer you trust. Go to
-thermal configuration mode, and enter the current temperature by clicking the
-button a number of times equal to the temperature in degrees Celsius. (If it's
-22?C, click the button 22 times.)
-
-You can check the default calibration by entering TempCheck mode from a
-room-temperature light. The D4Ss are supposed to go through a temperature
-calibration at the factory, so hopefully most of them won't need manual thermal
-calibration.
-
-The temperature ceiling is simply the highest temperature the light should be
-allowed to reach. Once it hits its temperature ceiling, it will progressively
-dim itself until the temperature stabilizes below the ceiling. Note that the
-number of clicks in that menu option is added to 30 to reach the actual
-ceiling. (Thus, you can't set a ceiling below 31?C.) The maximum allowed
-ceiling is 70?C.
-
-The default temperature ceiling is 45?C.
-
-
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