NTLK Re: Got 2+ newtons? Question about Squiggles/Jaggies

From: markr13 (markr13@voicenet.com)
Date: Tue Dec 21 1999 - 17:45:54 EST

>Date: Mon, 20 Dec 1999 09:52:06 -0600
>From: James Pelton <j-pelton@nwu.edu>
>To: NewtonTalk <newtontalk@planetnewton.com>
>Subject: Got 2+ newtons? Question about Squiggles/Jaggies
>If you have more than one Newton, have you ever experienced the
>phenomenon sometimes called the Squiggles, or the Jaggies? One symptom
>is that the pen falls badly out of calibration. Another is that if you
>try to draw a straight line, it's read as a crazy squiggle that jumps
>all around (thus interfering with HWR, etc.).

>james pelton

This usually occurs because the screen has some grit caught under the
case. It makes the Newton think that its being "touched" in that spot
continuously and causes HWR problems as well as "squiggles". The
solutions is to take a business card or piece of plastic of that
thickness and run it around the entire case carefully to remove the grit
that may be trapped. That usually fixes the problem.

Mark Ross

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