Does the ambient temperature (e.g. 0 degrees Farenheit) affect turn-on and/or brightness?
793326
It has not been that cold here, but it has been in the low teens and there was no effect.So I would assume that zero wouldn't be a bother.
793327
Cold does not seem to affect performance, but our use is in Northern California and we don't get as much cold. In contrast to the compact fluorescent bulb (which is notably slow to warm up even when it is not that cold), the LED light seemed instant on and instant bright.
793328
We have our lights outside in PA, lots of snow and some cold weather. At this point the temp is 15 to 35 degrees during the day, 10 to 15 at night, and the lights work fine. We've had no trouble at all compared to regular floods that have consistently blown out, rain, cold, snow etc.. Lights give a nice warm color used to light the front of the house shining up. Better than the bright white color of other LEDs.
2012022
Yes. Under all the modes, there is a setting called EV where you can adjust for brightness. Hope this helps.
1144152
No. This enhances existing low light only. Thermal is a different technology, and it's pretty awesome.
886922
Higher operating temperatures may shorten the life of an LED but I don't think it's something to be worried about. Colder temps should have no effect on it.
1445353
It had no effect on the brightness... worked well for about a monthbut then would not turn off. I'm going to have to wire to a switch now for off/on.
40509
Yes, you can change both the AC and the battery brightness setting to your preference. And your English is fine. :)
1231698
I have seen no mention of the color temp of the LEDs. I would describe them as cool to cold. To my 65 year old eyes, when lighting pages on bright whitepaper there is the slightest blue tint, but when lighting scores that have yellowed with age the light seems wash out the yellow and sharpen the notes. It makes both situations easier to read.
816266
New CFLs turn on within a second with no noticeable warm-up period. Rest at times it depends on the ambient temperature. In my case, it achieve its full brightness in almost no time.
560469
Nope. It will step down the brightness settings after certain minutes. For example: in turbo mode, it will run for 5 mins before stepping down to High, and another 30 mins before stepping down to medium..
1220909
I don't think ambient temperature has any effect on performance of Battery Tender. I like to plug my daily driver in to the Battery Tender after I'm done using the car for the day, especially if I don't expect to use the car for several days. I believe this will/may increase my battery's longevity, and I have no battery concerns when the winter temperature dips low.
2186338
I don't think cold weather can hurt this, as it's mostly just plastic (have to keep the socket dry, of course). As others have mentioned it's not very bright (makes a good desk lamp). Out of the 3 I bought, one went dim almost immediately. I kept it plugged in and used it behind an LCD monitor for wall backlighting, and it eventually brightened up to normal again. So if you get a dim one keep using it, it might recover.
886917
The LED will actually perform better the colder it gets. But heat on the other hand can reduce the efficiency and lifespan or in some cases even burn out an LED lacking a proper heatsink.
167714
Yes, like most other computers nowadays, you can turn the brighest low enough that the screen turns off. It this "bright room" of yours is equal to a really hot sunny summer day than it might be hard to see but thats different so i think itll be alright. This computer is definitely worth it.
287476
I haven't had any difficulty using it in sunlight. I haven't taken it to snow or the beach yet though. However, since I haven't noticed an issue or even thought twice about it, I don't anticipate any problems. I haven't even turned up the LCD brightness all the way (no need)!
2262875
doesn't really affect the brightness, it does have a slight glare problem but it's worth it. keep it clean though.
560652
No..the display will be on the screen all the time.....it will become brighter when the unit is turned on.....
91491
Yes-you can adjust the brightness level of the display. Refer to the instruction booklet, which is a bit dense, but this adjustment is in there.