Both the LF2XT & LF3XT will mimic a D10. Turn on a D10. Ramp it up to max. Turn it Off. Turn it back On. It comes back On at max. Do this with the LiteFlux's and it will do the same thing. Where ever you ramp to from turn On, and then turn Off, they come back On at that level, just like a D/EX10.This is more a question of user preference than anything else. The D10 always comes back on at the same level you had when you switched it off. From the way you describe it, the LiteFlux violates this basic principle: it's on max, you switch off, then back on again a moment later and it's on a different setting. Fair enough for those who like that sort of thing - but I'll stick with the D10 thanks.
That sounds believable to me, although haven't sat down to measure it on my two samples. I suspect it is likely to be a bit variable from one light to another, since it is presumably triggered by a voltage levelOk, I've run mine for a while and I paid attention to the ODP. It does 18 flashes (a couple of times I counted 17, and I'm quite sure I didn't loose the 18th flash) and then it turned off. Every time I turned it on again and checked the battery voltage, so I knew it started flashing at aound 1.1 volt and continued up to 0.76 (here I stopped). Is this the correct behavior of the ODP?
I've revised the UI description text above. Most of this was taken from my LF3XT review, when the ramp issue was still present on the D10/EX10. Indeed, I was unaware this had been corrected - the last D10 I bought new in February still had the ramp direction retention issue. Glad to hear they fixed it.This is more a question of user preference than anything else. The D10 always comes back on at the same level you had when you switched it off. From the way you describe it, the LiteFlux violates this basic principle: it's on max, you switch off, then back on again a moment later and it's on a different setting. Fair enough for those who like that sort of thing - but I'll stick with the D10 thanks.
Again, to be fair - this was a problem on earlier batches but has long since been fixed. If you buy a D10 or EX10 now, it will ramp as expected.
That's the one that would drive me nuts, I think. With the D10, I'm quite used to jumping to max and then ramping down a little bit to set a high-ish level or jumping to min and ramping up if I want a fairly low level. Having the light forget that and go back to some previous level would be really annoying.3. Now turn off/on the light again, jump to Min output (double click), ramp up to a higher level, turn off the light. When you turn back on, you are again at the original user defined level from #1 (LF3XT/LF3XT)
This 18 flashes should be 3 warning flashes at 1.0V low battery voltage (under load) immediately followed by 15 flashes at 0.8V overdischarge protection voltage under load.Ok, I've run mine for a while and I paid attention to the ODP. It does 18 flashes (a couple of times I counted 17, and I'm quite sure I didn't loose the 18th flash) and then it turned off. Every time I turned it on again and checked the battery voltage, so I knew it started flashing at aound 1.1 volt and continued up to 0.76 (here I stopped). Is this the correct behavior of the ODP?
This 18 flashes should be 3 warning flashes at 1.0V low battery voltage (under load) immediately followed by 15 flashes at 0.8V overdischarge protection voltage under load.
The ODP algorithm of LF2XT can be described as:
1. If the battery voltage under load reaches low battery warning voltage of 1.0 V for NiMh or 3.1V for 10440 Li-ion, the warning signals of 3 flashes will be generated every 35 seconds.
2. If the battery voltage under load reaches overdischarge protection voltage of 0.8 V for NiMh or 2.8V for 10440 Li-ion, 15 flashes will be generated before forced turning-off.
3. There is no mandatory interval between 3 flashes of low voltage warning and 15 flashes of overdischarge protection.
If the internal resistance of the NiHN battery is too large, the discharge period from 1.0 V under load to 0.8V under load will be so short that 3 flashes of low voltage warning will be immediately followed by 15 flashes of overdischarge protection.
While new AAA eneloop with excellent health status is used for OPD testing, you will experience several separate 3 warning flashes in two or three minutes before final 15 flashes of overdischarge protection.
Similar situation with respect to internal resistance of battery will also apply to 10440 Li-ion.
I just tried the ODP on a nearly depleted regular alkaline and L92 lithium cell running on Max, and both times there was no discernable gap between the 3 and 15 flashes before shut-down (i.e. looked like 18 continuous).I' am using brand new original Eneloop (they have been charged and discharged once in a proper way). Perhaps it's that I ran it quite heavy (50 and 100% continously) so the 18 flashes were actually 3+15flashes...
I'll repeat the discharge, this time at 10% and I hope I'll se the 3 flashes every 35 seconds while the LF stays on. I just have to wait 8 hours
I did the same: I didn't want to run down a fully charged Eneloop and wait so much, so I used an already almost discharged cell (old ni-mh 600 mAh).But when I let the alkaline cell recover for a few secs and turned it back on Min, there was about ~30 secs between the initial 3 flashes and the later 15.
Thanks Andrew - appreciate the support!So, I just made a donation to selfbult's battery fund, which can be found in his sigline, or here: http://www.sliderule.ca/cpf.htm
I hope my CPF brothers will join me in chipping in---selfbuilt is a precious resource around here, and the least we can do is keep him loaded with cells!
3.7V resting voltage after forced shut-down implies high internal resistance of this 10440.Just checked the ODP using 10440 it did the 18 flashes then off,I checked the battery voltage it read 3.7v should this be lower? :shrug:
selfbuilt, that is quite a bucket of dead cells! If I walked into my local Radio Shack, where I from time to time recycle a few odd cells, with a bucketload like that, they would probably alert the FBI!
No visits from the RCMP yet (our FBI equivalent ). The battery recycling depot is part of the hazardous material drop-off site at our local dump, so they don't bat an eyelash at me. As you might imagine, they are pretty inured in that position (i.e. you should see what everyone else drops off!).wow, thats a lot of batteries!
I assume they have all been drained of as much energy as possible by various lights?
No, that doesn't sound normal. Unless the cells are almost discharged or in very poor condition, you shouldn't see the ODP warning flashes for quite some time. And then only when the cells are nearly depleted.I tried 3 sets of regular NiMH 600mA and 1 eneloop.
I have the ODP on.
On turbo, the 3 warning flashes came very fast, as fast as 1 minute after turning it on.
Then it came intermittently for about 10 minutes before the 15 flash and then went off.
Is this normal?"