Mine bounced around my backpack for many years and now bounces around the 
workshop and house and works well still.
----- Original Message ----- 
From: "PATRICK GORMLEY" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, March 10, 2012 6:10 AM
Subject: Re: keys on sharp 620


>I don't think there's any way to fix that thing since it's so flimsily put
> together.  I had one of those for about 6 months and had to get rid of it
> because it wouldn't survive the constant trips back and forth from school 
> in
> my backpack. 73- pat kk3f
> ----- Original Message ----- 
> From: "Jim Ruby" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, March 09, 2012 11:47 PM
> Subject: Re: keys on sharp 620
>
>
>>I have two of them, on one of them I need to fix the slider volume switch
>> some how. It stays on low and has a little short, any suggestions?
>>
>>
>>
>> -----Original Message-----
>> From: For blind ham radio operators 
>> [mailto:[log in to unmask]]
>> On Behalf Of Butch Bussen
>> Sent: Friday, March 09, 2012 4:59 PM
>> To: [log in to unmask]
>> Subject: keys on sharp 620
>>
>> Doesns anyone remember or have a file describing the sharp el 620
>> calculator?  I bought one but have no instructions.  Most of it is fairly
>> simple, but I don't know the top row.  I pressed something and the thing
>> quit talking.  I finally got it back, but don't know how.
>>
>> Thanks.
>> 73
>> Butch
>> WA0VJR
>> Node 3148
>> Wallace, ks.
>>