Hds systems edc tactical rotary flashlight,turn on flashlight note 4,tactical cree led q5 zaklamp app,flashlight small app apk 2014 - Plans Download

This flashlight is one member in a family of lights that are, in this humble writer’s opinion, among the very best flashlights you can buy. On the HDS web site you can also custom configure lights from a number of options, including stainless steel bezels that can be coated with a “black military” AITiN finish, and the body in its standard configuration of aerospace aluminum protected with a black military Type 3 hard anodize that can be cerakoted in one of 6 different colors. HDS Systems is no ‘Johnny come lately” to the flashlight industry, having been in business for approximately 30 years designing and manufacturing products at their headquarters in Tucson, Arizona.   HDS Systems products are compliant with the “Buy American Act” and are “produced in the USA” from US and foreign parts.
Your reviewer has enjoyed owning a number of HDS Systems products over the past 5 years, and just recently purchased 2 lights that will be mentioned and included in this review, but the focus of this review is the Tactical version shown in this photo. The emitter is a Cree XPG2, and the rated output on max is 250 lumen ranging all the way down to .02 lumen.
HDS also offers a number of other emitters: a 170 lumen high color rendering Nichia 219, forensic blue (that includes a set of orange glasses), hunter green, dark adaptation red and an 850nm IR illuminator. This flashlight includes 24 internal brightness levels, 13 of which are accessed through the presets (on this tactical version). The brightness levels are arranged in a circular menu to make scrolling through all of the brightness levels easier.
From the HDS web site – “The HDS Systems’ EDC Tactical interface uses a rotary control and single button to create the most advanced tactical interface in the world. This diagram provides a great visual to illustrate how the rotary control ring on the Tactical version functions.
And this series of additional short videos demonstrates the ease of accessing the various modes. One other function that has to be activated is a locator beacon – with a simple quick 4 clicks of the button, the light will flash a regular low level beacon to help you locate the light should you drop it.
My other two HDS lights utilize the flush button (good for tail standing the light) and have a slightly different setup – the rotary control sets the light to turn on at any of the 24 levels, and you can vary the brightness when the light is switched on. HDS’ slogan for some time, or their ‘Service Mark’, is “The light that gets you home”, and that slogan is based upon the rugged reliability of the lights.
The lights are solidly built of combinations of robust components, and include stainless steel, aerospace grade lightweight aluminum, military type 3 hard anodizing, ultra clear glass or sapphire lenses, both with anti-reflective coating and high quality electronic components including the LED emitters.
The light was subjected to a bit of abuse at my hands – some of you might be tempted point out that you have seen lights endure worse. Next I dropped it on my concrete porch and watched it roll down the steps…forgive my ugly feet and legs! What’s more (and this is sure to stir up a few comments), HDS lights are built contained in a full Faraday cage, hence are essentially immune to EMP. I’m not sitting around in a tin foil hat waiting on the bad guys to pop a nuke in our atmosphere, just reporting the claims of the manufacturer.

I am NO expert on electro magnetic pulses, but my limited knowledge leads me to believe that since most modern LED flashlights use drivers that are essentially integrated circuits, plus the fact that the modern LED is a diode, an EMP pulse just might render said flashlights inoperable. To each his or her own – I just prefer to either drop the light in my pocket or carry it in my holster. These lights don’t come cheap,(ranging from around $250 to $350 without clip) but then again, they offer (IMHO) tremendous value, and HDS products have been clamored for by flashlight enthusiasts and rough users alike for quite a long time. Maybe I missed a point or two in this (extensive) review, but I can hardly see the reason to pay such a premium for the HDS. That being said, maybe my needs aren’t tactical enough to justify a more expensive flashlight. Also, the ANSI FL1 standard to measuring flashlights measures output after being turned on for 30 seconds.
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I have been mulling over just how this review would be written since the test light was received almost a month ago. HDS Systems also works with many well-known companies on unique design projects and consulting. HDS Systems is a supplier to the US Federal Government and state governments, and holds a GSA Schedule 84, contract number GS-07F-0235X. A typical laundry list of desired features includes small size, high maximum brightness, multiple brightness presets, rotary brightness control, constant brightness regulation, thermal regulation, a smoothly tapered beam pattern, support for multiple battery chemistries and rechargeable batteries, long battery life, battery end-of-life warning, simple controls, automatic emergency signal, switch lock-out, automatic turn-off after some time, a find-me-in-the-dark capability and the ability to customize these things. While my reviews are more of an ‘everyman’ style, there are many reviews out there in some of the flashlight forums that go deep into technical detail.
I find the ultra low level very useful for moving around the house late at night without disturbing my wife, and my integrating sphere verifies the output on its highest setting. I own one of the lights with the Nichia emitter, and the color rendition from this light is very good – very natural and easy on the eyes with a great sense of depth perception.
These brightness levels are visually spaced so that the difference between any adjacent brightness levels will appear to be a small equal change. When you select the maximum brightness level, you receive maximum output for an additional 40 seconds after releasing the button and then the flashlight drops one level. Tactical Strobe runs at brightness level 24, Emergency Strobe runs a brightness level 23 and SOS runs at brightness level 22.
The maximum brightness level is followed by the Rotary brightness level, Tactical Strobe, Emergency Strobe, SOS and then the minimum brightness level, and vice versa.
The light activates only when the user is holding the button down…should you drop it the light will not accidently activate.

Should you be interested in any of these I encourage you to visit the HDS Systems web site. There are YouTube videos of some lights being shot, dropped from 4 or 5 stories, dragged behind a car, run over by a truck, ad nauseum.
And if you dropped this little guy across the positive and negative terminals of a 12V battery, my assumption is that it would survive.
It has a LOT of modes, and there’s a high chance that if you were under pressure, you would activate the wrong mode. Some unscrupulous flashlight manufacturers build lights that dim shortly after 30 seconds so that they can market their lights as a certain lumen rating, even though the light cannot maintain that output for long. This visual spacing takes advantage of the logarithmic nature of your eyes to see a huge dynamic range – from very bright midday summer scenes to dim moonlit scenes. If you are not paying attention, you may not notice the drop but your batteries will last much longer as a result. I know they’re not exactly unbiased, but Elzetta argues in favor of an uncoupled binary interface for tactical use. Most flashlights simply dim after a preset amount of time, such as 60 seconds like the Quark Tactical I just linked.
The “burst” feature can be disabled in the flashlights options settings and burst is disabled when you utilize the “momentary maximum” operation…it will stay at full brightness as long as you hold down the button.
Nitecore uses some misleading marketing to imply that they are suitable for use on firearms, but several owners have reported the SRT7 failing after firing less than 1 magazine.
Basically, the different functions of the flashlight should have separate switches (uncoupled).
One of the reasons for dimming after a preset time is to reduce heat buildup, which can damage circuitry.
Granted, you could buy a replacement Jetbeam and have money left over as compared to the price of the HDS light. Many flashlights like my Preon and Quark Pro use multiple clicks of the power switch to change modes.
And the light is conveniently small and light weight so you can carry it with you wherever you go. A flashlight with 2-dozen brightness levels and special outputs is a bit too complicated for high-stress use.

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