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Old 03-05-2018, 11:31 PM   #6
DNSB
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Posts: 46,978
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by DuckieTigger View Post
That may be true for other eink readers, but on the 7" Oasis the inverted mode is done in hardware. Black and white are simply switched. A black flash full refresh in normal mode becomes a white flash in inverted.

Even if refresh is turned off in settings, leaving the menu will always do a full refresh. So if there is ghosting leftover from the menu, then the screen is defective and should get replaced.
Doesn't really matter which way it is written as long as the screen is written 3 times. Normal writes white-black-white, inverted writes black-white-black. In either case, the screen is left in the background colour at the end of the cycle.
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