PW3: anything available to turn off LED

[knc1]

Originally Posted by geekmaster

- - - -
So, was your room dark enough when you hit that '-' after sliding to minimum brightness?

Yes.

What firmware version are you testing on?

= = = =

Besides, what is the purpose of this waste of time?
The O.P. DOES NOT HAVE a Kindle.
The O.P. DOES NOT BELIEVE the answers given here.
I suspect the O.P. is just seeing how much of our time we will be sucked into foolishly wasting.

[knc1]

Originally Posted by Zeya

Really? My understanding was that the lights can be turned down very low, but even on the lowest setting there would still be a faint light.
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Just what is the basis of your "understanding" ?

If you do not own a Kindle, just how do you justify asking a question, the answer to which you have no way to confirm or deny?

[encol]

Just to know it: with the latest firmware i can reach the "zero" by only sliding

[knc1]

Originally Posted by encol

Just to know it: with the latest firmware i can reach the "zero" by only sliding

It might be a combination of how much larger the control area is than the visible graphics
vs
How large a person's finger is.

Seriously.

Plus -

Regardless of the firmware version, for at least the capacitive touchscreen devices (the K5 and KT2 are IR scanners) -

There is a calibration routine that the end user can not reach that controls the alignment of the touch location detection vs the displayed graphics.
I have one PW-1 whose alignment is offset to the right enough that it extends to a stip of the bezel. (makes using that one fun at times)

The actual alignment of touch detected location vs graphics location adds another variable to this testing.

[Zeya]

Originally Posted by knc1

Just what is the basis of your "understanding" ?

If you do not own a Kindle, just how do you justify asking a question, the answer to which you have no way to confirm or deny?

While researching the Paperwhites one of my primary questions was whether the lights could be turned 100% off. With the PW1 and PW2 I could see a lot of people were annoyed that the light could not be turned completely off, hence the existence of both software and hardware tricks to get the light completely off. I looked around to see if the PW3 had the same issue and it appears that it does, so you see geekmaster coming up with the extensions to turn the lights off. It seemed to me a pretty well known trait of the PW's that the frontlight can only be set very dim, but not actually off.

[HarryT]

Originally Posted by Zeya

While researching the Paperwhites one of my primary questions was whether the lights could be turned 100% off. With the PW1 and PW2 I could see a lot of people were annoyed that the light could not be turned completely off, hence the existence of both software and hardware tricks to get the light completely off. I looked around to see if the PW3 had the same issue and it appears that it does, so you see geekmaster coming up with the extensions to turn the lights off. It seemed to me a pretty well known trait of the PW's that the frontlight can only be set very dim, but not actually off.

Is there really any practical difference between "a bare glimmer in a completely dark room" and "off"? When the light is on its minimum level on both my PW2 and my Voyage I see not the slightest difference in screen brightness when I put the device to sleep (which turns off the light completely).

[Zeya]

Originally Posted by HarryT

Is there really any practical difference between "a bare glimmer in a completely dark room" and "off"?

For most people no, but I have sensitivities you probably wouldn't understand. I'm sure you've heard similar regarding others wanting these lights off. I just need to know the option to turn the light off is there if I need it.

[HarryT]

Originally Posted by Zeya

For most people no, but I have sensitivities you probably wouldn't understand. I'm sure you've heard similar regarding others wanting these lights off. I just need to know the option to turn the light off is there if I need it.

How are you able to use a computer, as a matter of interest? I don't know of any computer monitors that don't emit light.

[Zeya]

Originally Posted by HarryT

How are you able to use a computer, as a matter of interest? I don't know of any computer monitors that don't emit light.

I can't use them for long periods of time. As long as I come and go and not just sit there it's fine. I've found using a laptop with wifi for extended periods the worst experience for me. I get heart palpitations, skin burning, headaches, memory impairment, and insomnia. So it's not really so much about the eyes, although I do get eye strain as well. The reason I'm looking at ereaders and not tablets is because of this hypersensitivity to electronics. The frontlight may not even be an issue in the end, but maybe you can see why someone like me would be interested in having the option to turn it off.

[geekmaster]

Originally Posted by Zeya

I've found using a laptop with wifi for extended periods the worst experience for me. I get heart palpitations, skin burning, headaches, memory impairment, and insomnia. So it's not really so much about the eyes, although I do get eye strain as well. The reason I'm looking at ereaders and not tablets is because of this hypersensitivity to electronics.

Despite the fact that France officially recognizes "electromagnetic hypersensitivity / wifi allergy" as a real disease, scientific studies suggest otherwise:

Originally Posted by Experts Say ‘Wi-Fi Allergy’ Isn't Real — But The Symptoms Can Be

“There are over 50 studies conducted by different research teams around the world,” says Rubin, who has written in-depth reviews on the topic, “and in these experiments, people do get the symptoms they experience in real life. But the important thing is they get them just as much in the sham condition.” So, he goes on, “it seems to be less to do with exposure to electrical fields, and more to do with believing you’ve been exposed.”

It’s a phenomenon scientists refer to as the nocebo effect — the very real experience of harm from something due solely to the perception that it is harmful. Studies have shown, for example, that watching a media report warning about the dangers of EMF can induce symptoms in people who believe they’re in the presence of Wi-Fi (even if they’re not).

But legal legislators sometimes have trouble with science, like when they tried to change Pi to 3.2.

And by the way, most eReaders (such as kindles) have wifi and/or 3G (i.e. "electromagnetic radiation"), though you can turn that off with airplane mode.

And that study linking cellphones to brain cancer, which as become the foundation of a ton of fear-mongering news stories (and legislation) over past decades (including so-called "wifi and EMI allergies"), it has been proven as fact that the research data used in that study was faked (just like the fake "research" linking immunizations and autism). That does not mean such links do not exist -- just that the "proof" was faked, and many more REAL research studies failed to find such missing links.

Sunlight hitting your body contains WAY MORE ENERGY at any frequency of study than wifi or cellphones. Point any directional receiver antenna at the sun (no matter what frequency it uses) and it will be swamped with noise. Solar electromagnetic radiation can even BURN YOUR SKIN (i.e. sunburn). Anybody who suffers EMI (or wifi) allergies should avoid sunlight at all costs... But beware of toasters and stoves and electric heaters too, for they also emit electromagnetic radiation (and so does a campfire for that matter).

[knc1]

Originally Posted by Zeya

While researching the Paperwhites one of my primary questions was whether the lights could be turned 100% off.
With the PW1 and PW2 I could see a lot of people were annoyed that the light could not be turned completely off, hence the existence of both software and hardware tricks to get the light completely off.
I looked around to see if the PW3 had the same issue and it appears that it does, so you see geekmaster coming up with the extensions to turn the lights off.
It seemed to me a pretty well known trait of the PW's that the frontlight can only be set very dim, but not actually off.

You are shopping for the wrong model Kindle -
Buy a KT2 (the current 'basic Kindle' in en_Amazon) -
No front lights to turn off, there isn't front lighting.

[Zeya]

Originally Posted by geekmaster

Despite the fact that France officially recognizes "electromagnetic hypersensitivity / wifi allergy" as a real disease, scientific studies suggest otherwise

Sweden recognizes it, too.

But yeah, I knew this was coming. I didn't start having symptoms until I used a Macbook Pro for 4 days. I couldn't understand why I felt so strangely sick at the end of the day after using it, and the effects were very consistent from day to day and got worse the longer I would use the laptop. After that 4 days exposure I found myself with this new hypersensitivity. I'd turn on my guitar amp and it'd feel like my heart was going to blow up. If I put my hands up to my computer monitor I can feel tingling and then a burning sensation. Cell phones and especially cordless phones hurt my head. I had no prior idea about electrosensitivity or wifi allergy or anything of the sort. I realize the wifi can be turned off on readers, otherwise I wouldn't consider them at all.

This guy has a similar story of being in close proximity to a strong emf source for just a short period left him hypersensitive.
https://www.youtube.com/watch?v=9Zdy-PX-kN8

Of course, none of what I can say constitutes as proof. As the one experiencing it I know it's not placebo/nocebo, but I respect that most people think this way. I really just hope that it's better understood in the future.

[Zeya]

Originally Posted by knc1

You are shopping for the wrong model Kindle -
Buy a KT2 (the current 'basic Kindle' in en_Amazon) -
No front lights to turn off, there isn't front lighting.

I just want the option of having the light. If I ever find it problematic then I know t can be turned off. If it's not a problem then yay I can use the light. Best of both worlds. And now thanks to geekmaster if other PW3 owners want to do the same, they can.

[geekmaster]

As I pointed out, sunlight contains all those same electromagnetic frequencies, and at much stronger levels. The difference is that sunight is much more broad-spectrum, and is not modulated. Even your body emits electromagnetic radiation (which is visible as a bright light in thermal vision cameras such as you see on TV cop shows).

Automobiles emit a ton of EMI, as do electric motors, lawnmowers, radios and TVs (the local oscillator circuit), switching power supplies (used everywhere these days), fluorescent lights, and just about anything electrical or electronic.

But yeah, sunlight beats them all in the broad-spectrum electromagnetic energy it bathes you with if you keep your window curtains open, or worse, go outside. All our tech toys are insignificant compared to sunlight...

[knc1]

Originally Posted by Zeya

I just want the option of having the light. If I ever find it problematic then I know t can be turned off. If it's not a problem then yay I can use the light. Best of both worlds. And now thanks to geekmaster if other PW3 owners want to do the same, they can.

Some can without Geekmaster's modification.

You have probably noticed he never did answer my question of what firmware version he is running.
And also his PW-3 testing is on a broken machine.