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Newbie


Bandwidth Hog


Joined: 23 Jan 2004
Posts: 2247

Posted: 07 Aug 2009 07:11:36 pm    Post subject:

I recently bought a TI-89 (not the titanium the original) off of ebay and the text in the top menu sometimes gets distorted as well as in some sub menus. Not every pixel will show for a certain letter. Anybody have any idea what might be wrong, or is this just the display going bad?


Never mind. It seem to be when a certain function is disabled at a certain point on the screen they remove every other pixel on the letters.


Last edited by Guest on 07 Aug 2009 10:29:55 pm; edited 1 time in total
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IAmACalculator
In a state of quasi-hiatus


Know-It-All


Joined: 21 Oct 2005
Posts: 1571

Posted: 08 Aug 2009 09:15:22 pm    Post subject:

How did you do it? And could you explain the process a little more? I ask because I tried and failed to fix a guy's calc with EXACTLY this problem, and am dying to know how you did it.
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calc84maniac


Elite


Joined: 22 Jan 2007
Posts: 770

Posted: 08 Aug 2009 09:37:51 pm    Post subject:

It's similar to pull-down menus on computers when stuff is grayed-out. Except, the TI-89 doesn't have built-in grayscale, so it removes pixels.
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IAmACalculator
In a state of quasi-hiatus


Know-It-All


Joined: 21 Oct 2005
Posts: 1571

Posted: 08 Aug 2009 10:12:29 pm    Post subject:

Oh, nevermind. I get what he means now. I was just remembering a glitch where the entire screen was garbled, not just a few functions greyed out. I did know about that.
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Sidd26


Newbie


Joined: 06 Mar 2012
Posts: 1

Posted: 06 Mar 2012 12:16:54 am    Post subject:

Newbie wrote:

I recently bought a TI-89 (not the titanium the original) off of ebay and the text in the top menu sometimes gets distorted as well as in some sub menus. Not every pixel will show for a certain letter. Anybody have any idea what might be wrong, or is this just the display going bad?


Never mind. It seem to be when a certain function is disabled at a certain point on the screen they remove every other pixel on the letters.


I have a TI89 Titanium and I have the exact same problem, could you please post the solution to fix the distortion on certain lines?
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Xeda112358


Active Member


Joined: 19 May 2009
Posts: 520

Posted: 06 Mar 2012 10:14:15 am    Post subject:

If it is like the image below, then it is okay Smile It is an option not able to be used, so it is crossed out. For example, think of a game where you have options Continue, New Game, or Quit. If you have not started a game yet, you cannot continue, so it might be crossed out [s]Continue[/s]. The 89 "grays it out" so it turns off every other pixel in a checkerboard pattern Smile
So the image:
[attachment=3545:89Screenie0.png]
That is normal Smile
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