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Old 03-15-2012, 09:36 AM   #122
ProDigit
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Posts: 2,553
Karma: 11499146
Join Date: Oct 2008
Location: Miami FL
Device: PRS-505, Jetbook, + Mini, +Color, Astak Ez Reader Pro, PPW1, Aura H2O
Quote:
Originally Posted by Valentinka View Post
I would say this documenty is JUST readable now, not PERFECTLY. This is the main problem with JBC - it lists a lot of features in its specifications but practically none of the main features is done WELL. This PDF file is the good example. To make this document just READABLE you need: 1) do yourself some manipulations with it (using - a) DIFFERENT hardware (your PC in this case), b) different software not even included with JBC (you used Adobe Acrobat or something similar on your PC, right?), c) your personal time to figure out and do all this manipulations, 2) find the place with PERFECT lightening conditions to read it (if you don't have it you have to (according my experiance with JBC) to invest more money in changing LIGHTENING conditions in your house or better to move to different house with better indoor light). And in my opinion even after that this document is far from being PERFECTLY readable because of such dark grey screen (which causes the significant eye strain at least for me).

Would you please do me a favor and upload here your modified PDF document (after reflow and 100% zoom) because honestly I don't even know how to do it? Yes, I can google "reflow and zoom PDF with Adobe Acrobat" and figure it out but I don't have time for it right now. Then I can load your modified document on my Kindle DX and JBC, take the pictures of both devices and show you and everyone what the difference is and how closer to being PERFECT the same document looks on DX. At least in terms of eye strain.

Thanks.
I don't believe in 'perfect lightning'. Any light source that gives more light than a 15-20W incandescent SPOT,12W Halogen spot, (I presume 3-5W energy saving bulb spot or TL spot) or 1W LED spot makes reading on the Jetbook possible.
Just like with a regular book, if you use a colored bulb, don't be surprised that the screen colors look off!
You need yellowish, and preferably pure white light for most accurate color display (which is exactly the same as with a comic book). Nevertheless using a colored bulb makes it not impossible to read! And I'm not talking about 'yellowish-white' bulbs, or more 'blue-ish white'; but real color bulbs!

If you're reading in your bed / study room, have reasonable light walls, any 30W incandescent, 2W LED, or 2x12W halogen spot will provide enough light to read! The issue is to just having more light than that.
I'd say, most lamps on a nightstand are less bright,so you'd have to equip them with an energy saver bulb or LED bulb, as they might not handle too bright incandescent or halogen bulbs.

However, most regular room lightbulbs provide more than enough light to read indoors.

Unfortunately I can't be more accurate than that.. I don't own a Lumen meter, so I won't know what the best Lumens are to read under, but even at home, I'm reading the Jetbook under way below office lumens, and experience no discomfort!

Last edited by ProDigit; 03-15-2012 at 09:43 AM.
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