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Old Yesterday, 06:55 PM   #166
haertig
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Quote:
Originally Posted by j.p.s View Post
If Calibre doesn't change the size of the azw3 file, Xray should work fine, but you need to jump through a few hoops to get the Xray file.
Thanks for this info. My normal procedure for a new book: Buy from Amazon, download in AZW3 format into Calibre to be processed with DeDRM so I have my own locally stored backup copy. Sideload from Caliber to PW3. The PW3 is in permanent airplane mode - for three reasons: (1) to save battery, (2) to avoid updating to newer firmware until after I have read reviews from others that the new version doesn't cause problems, and (3) to get rid of the ads (after running in airplane mode for a while, the Kindle apparently runs out of ads to display, so it stops displaying them and falls back to its built-in and ugly screensavers instead, which is one small step better than the ads).

So it sounds like my X-Ray doesn't work because I only sideload, and never connect to the internet. Makes sense. I'll have to decide if I prefer for X-Ray to work, or if I prefer the three benefits I listed above instead. The "save battery" benefit is minimal - I'd only need to leave WiFi on long enough to download the X-Ray file. The "get rid of ads" benefit I don't really care about either. The ads are not really intrusive - this no ads benefit just kind of tagged along as a side effect of permanent airplane mode. But the one benefit I do want to keep is the "no automatic updating". Is there a way to disable that, even when WiFi is turned on?

p.s. - There are also a few other benefits of leaving WiFi off: There is always a possibility, probably extremely small, that Amazon's security protocols could get hacked - thus leaving Kindle owners subject to hacker attacks. While this risk is minimal, there's no reason not to reduce it to absolute zero by turning WiFi off (assuming you don't need the features that WiFi provides - like X-Ray file downloads). Another benefit of leaving WiFi off is that Amazon or their "partners" cannot easily collect data on you. Not that I'm concerned that Amazon knows how many pages per minute I read, what page I'm on in what book, and statistical data collection like that. But just as a general principle I want as little data collected about me as possible. This is just basic security and privacy awareness. Amazon wants data like that to make money off of (via targeted advertisements, etc.) So if they want that kind of data from me, ask me and I'll possibly sell it to them, ... not give it to them for free!

Last edited by haertig; Yesterday at 07:05 PM.
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Old Yesterday, 07:31 PM   #167
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All my books are sideloaded too, so no X-Ray. Most of them aren't bought from Amazon (I buy only Amazon exclusives from them, because Amazon prices are generally higher for me than Google or Kobo prices) and even if they were, the file size would be different from the original (I edit the formatting of almost all my books). So I cannot use X-Ray, but tbh I've never felt any urgent need to do so. I can use the global search and look up the more detailed info on my tablet, should the need arise.
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Old Yesterday, 09:18 PM   #168
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Quote:
Originally Posted by Sirtel View Post
All my books are sideloaded too, so no X-Ray. Most of them aren't bought from Amazon (I buy only Amazon exclusives from them, because Amazon prices are generally higher for me than Google or Kobo prices) and even if they were, the file size would be different from the original (I edit the formatting of almost all my books). So I cannot use X-Ray, but tbh I've never felt any urgent need to do so. I can use the global search and look up the more detailed info on my tablet, should the need arise.
There’s at least one XRay-generator plugin for calibre.
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Old Yesterday, 10:28 PM   #169
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That would be a totally useless feature for me. Maybe if someone had a bunch of reference books on their Kindle it might be useful.

Are there many cases of people who read novels searching for a word or phrase across multiple books? I can't come up with any need to do that. Please educate me. A Kindle is a very low horsepower device (computing power). That's got to be a heckuva burden on the poor thing to do all that parsing and processing. Can you turn that feature off?
I use the search feature within a book fairly often, although not across multiple books. I'm guessing it uses the same index although I don't really know that.

Indexing and searching aren't particularly power hungry features if they're coded well, which I suspect the Kindles are. If you put 1000 books on board it'll take a while to index and pull the battery down pretty quickly. But since an average book has about 100,000 words that's 100,000,000 words to index. It is a lot to do.

To avoid the problems associated with indexing don't put a lot of books on board at once. Putting 30 or 40 books on the Kindle won't have much affect as long as it indexes them all okay. I typically keep 20 to 50 books on my Kindles. For those who want more the answer is just add a few each day.

The searching portion probably isn't a strain if the indices are constructed well, which they probably are.

I'm talking about this as a retired programmer. I've written code for both indexing and searching many times. I was a programmer in the days when that had to be coded manually. These days most languages have well tested indexing and searching features, as do most OS's. Kindles use Linux which is among the more sophisticated and efficient of them all. My guess, and it's only that, is that it's done very efficiently.

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Old Yesterday, 10:34 PM   #170
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Am I correct the "disable touchscreen" turns off tapping but not swiping?
You are correct.

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Old Today, 12:11 PM   #171
abdirahim
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Is the screen lighting of the Paperwhite 4 much improved?

The previous one I have, you can see the light cones or shadows at the bottom. It's not too bad, but the Paperwhite 4 is supposed to be different, instead of 3 lights at the bottom it now has 4. Is anyone familiar with this and can comment on the new Paperwhite 4 lighting?
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Old Today, 12:51 PM   #172
j.p.s
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Quote:
Originally Posted by haertig View Post
But the one benefit I do want to keep is the "no automatic updating". Is there a way to disable that, even when WiFi is turned on?

p.s. - There are also a few other benefits of leaving WiFi off: ...
Read the sections of https://wiki.mobileread.com/wiki/5_x_Jailbreak that refer to
update.bin.tmp.partial (the first part of preparing to jailbreak is preventing automatic updates).

I see all your reasons to keep WiFi off and raise you avoiding downloading thumbnail cover images for every book you've ever bought from amazon.

I have a sacrificial kindle that I only use to fetch xray files and never read on. It's not a solution for everyone, but it works for me. Xray capable used kindles are probably pretty cheap and plentiful.
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