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Article #2949

Re: Color monitor problems; got a magnet near it by accident.

#2949
From: Bob Myers
Date: Tue, 14 Apr 1992 18:54
24 lines
1576 bytes
> 
> switching the monitor on and off a few times should mend it.
> -- 

Note that this works (a) only if the monitor includes a built-in degaussing
coil, and (b) if it is left OFF long enough between cycles of the switch to
allow the degauss coil relay circuit (or whatever switching they use) to
discharge/drop out/whatever, so that it actually DOES come on at power-up
(listen for the buzz!).

Even then, internal degauss coils will NOT clear all purity problems; they're
simply not strong enough to do the job.  (They're really intended to keep the
"normal" build-up of magentism down.)  You will very likely have to get a
degaussing coil and perform a manual degaussing.

(The Voice of Experience Speaketh: When degaussing, bring ye not thy credit
cards, ATM cards, etc., near to thy coil, or passeth thy coil near to thy
wallet, lest ye be shunned by the Wizards of Electronic Finance forevermore!)


Bob Myers  KC0EW   Hewlett-Packard Co.      |Opinions expressed here are not
                   User Interface Tech. Div.|those of my employer or any other
myers@fc.hp.com    Fort Collins, Colorado   |sentient life-form on this planet.
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From: myers@hpfcso.FC.HP.COM (Bob Myers)
Newsgroups: sci.electronics
Subject: Re: Color monitor problems; got a magnet near it by accident.
Message-ID: <7480046@hpfcso.FC.HP.COM>
Date: 14 Apr 92 18:54:22 GMT
References: <dac.0334@dacami.UUCP>
Organization: Hewlett-Packard, Fort Collins, CO, USA
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