Thanks for the info, John. And that leads me to my next question, is
isopropal alcohol the same as denatured alcohol? I see I can get denatured
from Amazon but haven't looked for isopropal yet. It's been years since I
had to clean tape heads so I don't keep this stuff on hand anymore. Lou
----- Original Message -----
From: "John J. Boyer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 29, 2010 9:13 PM
Subject: Re: OT braille display
>I have had many braille displays and have cleaned them lots of times.
> Rubbing alcohol will make matters worse, because it contains oils and
> stuff. The fluid usually advised is pure isopropyl alcohol. Also, if the
> display is really dirty cleaning it yourself won't help. It must be sent
> in to the vendor.
>
> I have had a display in which one dot stayed up all the time. In this
> case a new cell was needed. I sent the display to the vendor. I have no
> idea where you might get new cells.
>
> John
>
> On Fri, Oct 29, 2010 at 06:29:40PM -0500, Howard Traxler wrote:
>> Does anyone know the electronics inside these things? I have a
>> powerbraille
>> 80 that has several dots stickig up all the time. I know it's not any
>> kind
>> of dirty or miss-alinement. The staying up dots work up and down by
>> pressing just as easily as the ones that are supposed to be up. I
>> suspect a
>> failing electronic component somewhere in there. Sure would like to not
>> have to pay the $800 that fs wants to mess it up worse.
>>
>> The Other Howard, WA9RYF
>> ----- Original Message -----
>> From: "Lou Kolb" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, October 29, 2010 5:45 PM
>> Subject: Re: OT braille display
>>
>>
>> > Pretty sure it's cleaning, Steve. Dots all come up just fine but won't
>> > retract properly. Not all of them, just the left end which is touched
>> > more
>> > than the others. Thanks everyone for your answers. Lou
>> > ----- Original Message -----
>> > From: "Steve Dresser" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Friday, October 29, 2010 9:55 AM
>> > Subject: Re: OT braille display
>> >
>> >
>> >> Lou,
>> >>
>> >> If cleaning is really the issue, you can probably use denatured
>> >> alcohol
>> >> to
>> >> do the job. Unfortunately, however, if the display is older, you may
>> >> also
>> >> have weak cells, or pins that are out of alignment, which will
>> >> probably
>> >> require sending the unit in to be repaired.
>> >>
>> >> Steve
>> >>
>> >> ----- Original Message -----
>> >> From: "Lou Kolb" <[log in to unmask]>
>> >> To: <[log in to unmask]>
>> >> Sent: Friday, October 29, 2010 07:49
>> >> Subject: OT braille display
>> >>
>> >>
>> >>> Please forgive the off-topic post which, while not dirrectly ham
>> >>> radio
>> >>> related is at least technical in nature and I'm sure you folks will
>> >>> have
>> >>> some suggestions. I have both a Braille-lite and a pac-mate which I
>> >>> rely
>> >>> on
>> >>> heavily at work every day. The Displays in both units need cleaning
>> >>> especially on the left-hand side which is touched most often. I'd
>> >>> like
>> >>> to
>> >>> avoid sending them in to FS both because of the cost and the time
>> >>> involved.
>> >>> Any ideas on how to clean them without causing harm? Lou WA3MIX
>> >>>
>
> --
> John J. Boyer; President, Chief Software Developer
> Abilitiessoft, Inc.
> http://www.abilitiessoft.com
> Madison, Wisconsin USA
> Developing software for people with disabilities
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