07-20-2019, 03:27 PM | #91 |
Wizard
Posts: 1,221
Karma: 8381518
Join Date: Oct 2009
Location: Oaxaca, Mexico
Device: Paperwhite 4 X 2
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I never predict. It's too embarrassing.
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07-20-2019, 07:47 PM | #92 |
Guru
Posts: 916
Karma: 13928438
Join Date: Jan 2013
Location: Ely, Cambridgeshire, UK
Device: Kindle Oasis 3, Kindle Oasis 1
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Um.. the Oasis 1 only *has* 4GiB. The OS partition doesn't have a whole gig to spare for hibernation, and it certainly doesn't hibernate to the FAT userdata partition.
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07-21-2019, 01:18 PM | #93 | |
Grand Sorcerer
Posts: 5,278
Karma: 98804578
Join Date: Apr 2011
Device: pb360
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Quote:
I suspect the worst case for "deep sleep" would be frequent short reading sessions during the day separated by at least 30 minutes and the best case one reading session per day. Whether it helps anyone depends where their usage falls between the two. The worst case could well hammer the battery. I still think the most likely mechanism for "deep sleep" is hibernation. If anyone has a more plausible alternative, let's hear it. |
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07-21-2019, 02:19 PM | #94 | |
Resident Curmudgeon
Posts: 73,968
Karma: 128903250
Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
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Quote:
Sony used Linux before moving to Android for the T series. Sony had a feature where if you didn't use it for 3-days, it would shut off and preserve the battery. It worked very well. Amazon's way of doing it is to not allow shitdown so the battery doesn't last as long and they can sell more Kindles when people need to buy a new one since the one they are using no longer keeps a charge well enough much sooner then it should. So if you buya Kindle for a backup, you have to remember to keep charging it and eventually, you can kill off the battery before you get to use it. It's a very poor way to sell more Kindles. It's a scam (IMHO). |
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07-21-2019, 04:35 PM | #95 | |
hopeless n00b
Posts: 5,111
Karma: 19597086
Join Date: Jan 2009
Location: in the middle of nowhere
Device: PW4, PW3, Libra H2O, iPad 10.5, iPad 11, iPad 12.9
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Quote:
Perhaps the chipset just goes into a deeper sleep state hence the name. https://www.nxp.com/docs/en/applicat...te/AN12001.pdf |
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07-21-2019, 05:02 PM | #96 | |
Grand Sorcerer
Posts: 5,278
Karma: 98804578
Join Date: Apr 2011
Device: pb360
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Quote:
What they call "Deep Sleep" (and also suspend), I consider suspend. If this is what the Oasis 2 lowest power mode is, then it is not close to being a substitute for jailbreak and shutdown. Would you consider waking up a couple of your backup latest model basic Kindles, noting battery level, turning one off, letting the other go into deep sleep, and checking battery levels again a couple of weeks later? |
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07-21-2019, 05:45 PM | #97 | |
hopeless n00b
Posts: 5,111
Karma: 19597086
Join Date: Jan 2009
Location: in the middle of nowhere
Device: PW4, PW3, Libra H2O, iPad 10.5, iPad 11, iPad 12.9
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Quote:
Given these devices were idle for weeks (left to index after library update and forgot to shutdown after) and wake up from sleep was practically instantaneous, I'm inclined to think registration is a prerequisite for deep sleep. I do have a lone registered PW4 but I forgot it in the office. I'll do a 4-way test when I get it back in my hands:
Maybe even add a PW3 into the mix. |
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07-21-2019, 06:00 PM | #98 | |
Grand Sorcerer
Posts: 5,278
Karma: 98804578
Join Date: Apr 2011
Device: pb360
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Quote:
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07-21-2019, 06:32 PM | #99 | |
hopeless n00b
Posts: 5,111
Karma: 19597086
Join Date: Jan 2009
Location: in the middle of nowhere
Device: PW4, PW3, Libra H2O, iPad 10.5, iPad 11, iPad 12.9
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Quote:
Alas, I only have one registered PW4 and I'm not interested registering any of my spares. Since I never remember to put the WhisperSync'd devices on airplane mode when I set them down, I'm opting to test deep sleep with wireless on than a test with wireless off. On my Kobos, I have them setup to automatically power off after 24 hours idle. I do wish there was a similar option on Kindles. |
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07-22-2019, 01:38 AM | #100 |
Connoisseur
Posts: 89
Karma: 133654
Join Date: Apr 2019
Device: Kindle DX Graphite
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I wonder with the firmware 5.12.1, do PW4 or KT4 able to play .mp3 by placing .mp3 files in "audible" directory? I am interested in Librivox audiobooks. Those are .mp3 and not .aax audible format.
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07-22-2019, 03:50 AM | #101 |
the rook, bossing Never.
Posts: 11,156
Karma: 85874891
Join Date: Jun 2017
Location: Ireland
Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper11
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Or indeed PW3, it does speak books (no better than DXG and worse interface) with microUSBtoGO to USB A host adaptor and generic USB sound stick.
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09-26-2019, 08:28 PM | #102 |
Member
Posts: 18
Karma: 10
Join Date: Dec 2014
Device: Paperwhite 2
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Edit: Please forget what I’ve wrote. I’ve just found the solution (order by collection).
Guys, I need your help. My Kindle Voyager updated during night and I’ve lost all my books. No idea why but they were all unavailable. I reset the Kindle and re-added them all with Calibre. Now I need to manually organize them but I can’t find my old view setting, that was Collections + books. I explain it better: I have several collections where I organize books (science fiction, fantasy, etc.). In the old view, when I copied a book on the kindle, I could see it in the “root”, among collections. Now I apparently cannot set the view that way. I can have “books”, that shows me books and collections, but books in collections are shown in the root too. Or I can choose “collections” but all books that are not in a collection are hidden. This way I can’t find the non-collection ones to add them to a collection. Any way to solve this issue? Thanks. Last edited by locksoft; 09-26-2019 at 08:30 PM. |
09-26-2019, 08:38 PM | #103 |
Wizard
Posts: 1,142
Karma: 5061953
Join Date: Jun 2011
Location: Ontario, Canada
Device: Kobo Aura HD
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My unregistered Oasis 2 has very little power drain when left idle.. It can go for months and still be full. The Unregisered PW4, however, even though it still needs a few seconds to wake up if left in sleep long enough, does drain battery when left alone. These two devices just don't behave the same.
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