Thank you for the info!
Bump……… because this info needs to be upfront, at least for a while longer
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… Yep, if read & followed; it will sort out most of the quote “problems” with the FW3A. 
My FW3A is too awesome for words.
It makes my other lights pale in comparison.
I want all of my flashlights to be great... not just my FW3A.
How do I fix this horrible problem?
Get rid of all your other flashlights. Then all your flashlights will be great since you will only have the FW3A 
Pure logic
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I found on the Youtube -LUMINTOP FW3A / 3x CREE XP-L Hi (CW) / How to Andúril-UI Operation.
This ultra-detailed operation description is really amazing! :+1:
One thing really good about this — it has helped curtail buying more flashlights. The Anduril UI has spoiled me. Bistro looks good, as it’s also a TK creation… but I prefer the Anduril menu. Also, the FW3A form factor is really great. HDS/NovaTac were really onto something back in the early 2000’s.
Great work, thank you!
I like how it shows what’s happening on the UI diagram. It seems like that could really help people understand better.
However, it didn’t actually show how to change any settings. The light in the video had a badly calibrated temperature sensor, so it would have been a great opportunity to show how to fix that… but it didn’t. And the light won’t really work right when the sensor is so far off.
This is just what we needed, all the intructions/info condensed into one thread not spread over multiple ones.
Apparently, illumn.com, from whom I just purchased my FW3A, agrees with you. In fact, when I received mine, there was a slip inside the box saying illumn.com had already calibrated the sensor. In the process,I am sure they would have picked up and corrected any problems before shipping out the light. Mine was perfect.
I agree too. I calibrated mine right away. They get warm, but not uncomfortably so, and they haven’t stepped down at all yet. I guess that means I am still using them very conservatively.
Just for clarification, your not talking about using them on Turbo are you cabfrank??
On Turbo my XP-L HI starts stepping down at about 12 seconds.
It has also been calibrated.
Usually turbo for just a few seconds, probably not 12.
I just checked mine, and yeah, step down at about 12ish seconds. We’re probably calibrated similarly. I do have a LG HG2 in right now. Step down occurs later with a Samsung 35E. I like the slightly higher capacity, lower drain cells better for these lights. They do work well with both though.
/\ OK, thanks cabfrank. I like the higher capacity cells for the FW3A too. It does sound like ours are calibrated about the same…. 
You got me thinking, and I just rechecked. Two of my lights, a XPL and a SST, do not step down that quickly. My other XPL does. I think I have to recalibrate that one, as it steps down before it seems very hot when starting from room temp. Of course when it has been on and is already warm, it gets hot on turbo quicker. I’m going to reset it tomorrow.
Sounds like a plan.
Hey, teach - recently received my FW3C and wanted to thank you for organizing this Useful Information into one compilation.
Well done
Thank you again,
OG