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From: porter@motcid.UUCP (Richard Porter)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Trackball
Message-ID: <6475@navy3.UUCP>
Date: 12 Feb 91 15:41:04 GMT
References: <89.27AB6128@busker.fidonet.org> <1027@eplunix.UUCP> <7746@exodus.Eng.Sun.COM>
Organization: Motorola Inc., Cellular Infrastructure Div., Arlington Heights, IL
Lines: 19


rock@warp.Eng.Sun.COM (Bill Petro) writes:

>MicroSpeed

>While MicroSpeed was not at the show, I think they are the ones to
>watch.  They were picked by MacUser Magazine as Honorable Mention in
>category of Best Input Device. .... 

I purchased one of these to be used by a profoundly handicapped child
and was dissatisfied with the MicroSpeed MacTRAC's performance.  Its main
problem was that it did not provide that basic function of moving the 
mouse properly.  If you were to roll the ball in a direction that
rotates the ball away from the optical rollers (is that what they're
called?) the mouse movement was very flakey. This was also true 
if you rotated the ball at a 45 degree angle to either of the
optical rollers. I can't say if this is a problem with all
of their devices but I sure got a lemon. I returned mine with
no desire to have another one.