Re: 3487 going nuts

One time we had a Sys/34's  diskette drive go nuts, the IBM guy came in and
put - this was weird - an umbrella over the diskette drive and it stopped.
we were near an airport or something.

John Carr

>I've seen UPS backups do this to dumb and PC type monitors.   A weird
>problem developed at a customer where the users office was right next to
the
>warehouse.  Her terminal was placed right next to the wall that seperated
>her office and the whse.  On the other side was pallets of metal strapping,
>6 feet high.  I guess the strapping put off a nice magnetic field.
>
>Art Tostaine, Jr.
>CCA, Inc.
>Parlin, NJ  08859
>
>
>> -----Original Message-----
>> From: owner-midrange-l@midrange.com
>> [mailto:owner-midrange-l@midrange.com]On Behalf Of Pat Barber
>> Sent: Monday, January 18, 1999 2:55 PM
>> To: MIDRANGE-L@midrange.com
>> Subject: 3487 going nuts
>>
>>
>> I placed about a dozen 3487 color monitors over the weekend... In
>> one location in this office, we have 2 terminals that have the
>> worst case of "jitters" I have ever seen.. The two devices are
>> about 10 feet apart with floresent lights(which I suspect) overhead..
>> No air cleaners or other such gear in either office....
>>
>> We switched the monitors out with 2 other known good
>> terminals and same
>> problems developed.. I suspect RF radiation, but does anybody know
>> of a known solution to this type of problem...????? Possible filters
>> on ac line ?? I asked them to install electronic ballasts in lights,
>> but that might or might not work...
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>
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