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Old 04-20-2010, 11:48 PM   #1
montevino
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Device: Sony Reader PRS-500
How Much Ghosting is Normal

Did some searches, didn't find a definitive answer, so:

I'm new to the eReader world. Wife bought me a PRS-500 on eBay, and while I'm sending it in tomorrow for the firmware upgrade, I noticed that after a page turn, you can see the previous page faded in the background. I can see that some amount of it is normal, but how can I tell if I got a bad unit, or if it's pretty typical? Is it something you get used to and don't even notice after a couple of days?

Thanks!
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Old 04-20-2010, 11:58 PM   #2
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Quote:
Originally Posted by montevino View Post
I'm new to the eReader world. Wife bought me a PRS-500 on eBay, and while I'm sending it in tomorrow for the firmware upgrade, I noticed that after a page turn, you can see the previous page faded in the background. I can see that some amount of it is normal, but how can I tell if I got a bad unit, or if it's pretty typical? Is it something you get used to and don't even notice after a couple of days?
I have no experience with a 500, but I have never noticed any ghosting on my 505. It seems to be more of an issue with older tech ereaders you can read more threads on ghosting here.
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Old 04-21-2010, 03:22 AM   #3
quillaja
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I notice a bit of ghosting on my PRS-600, especially if going to a mostly blank page. It is unnoticeable to me when reading, though, since the text pages are "busier" than large expanses of black or white.
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Old 04-21-2010, 03:51 AM   #4
HarryT
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The first generation eInk screens, which the PRS-500 has, suffered considerably from ghosting. The 2nd gen screens, which all current devices have, are drastically less subject to this. I'm afraid, though, that with a PRS-500, a certain amount of ghosting is normal.
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Old 04-21-2010, 04:45 AM   #5
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I have a 600, too. Some ghosting is visible, especially when I don't have a complete page refresh (happens when zooming and panning in pdfs).
I think I haven't had that on my 505 though.
But as stated above, on none of my readers it has been an issue for me.
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Old 04-23-2010, 10:33 AM   #6
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Ghosting is an issue which varies from Reader to Reader. The elements are made in bacthes and have a corresponding batch number called a LUT (Look Up Table) file. They determine the refresh rate of the element ... unfortunately now and again some Readers don't refresh as well as they should causing your anomaly. The only solution I have come across is to load an alternative LUT file into the EEPROM - but this needs to be done a Sony Service Centre I'm afraid (unless you know a Sony chappie that has access to the files and the knowledge to do it!?).
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