SM124 Differences ?

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Article #33369

#33369

From: XBR3D815
Date: Wed, 27 Jul 1988 09:38

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Hi Atarians!

Is someone out there in netland who knows a difference between older and the
newest SM124 B&W-monitors which could explain the following behavier:

Mega ST4 and old (Oct. 87) Monitor:
    In reverse mode (light text on black background) is brightness dependent
    on information on screen ! If you have >20 charcters displayed, text is
    light, but if characters are deleted the text begins to fade so that you
    have to adjust the brightness control! But if now more caracters are typed
    text becomes brighter again so the brightness control has to be adjusted
    the second time and so on.

Mega ST4 and new (Mar. 88) Monitor:
    The symptom does not occur !

This is not dependent on the ST! We tried several ST4 and one ST2 with the
same results.
Is there a possible fix for this behavier ? Perhaps can someone at Atari give
some hints? We know solder irons and will change the monitor circuitry
if necessary, so please HELP!!!!

Werner W. Braun                    xbr3d815 @ ddathd21.bitnet

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!lll-winken!lll-lcc!ames!mailrus!purdue!decwrl!ucbvax!DDATHD21.BITNET!XBR3D815
From: XBR3D815@DDATHD21.BITNET
Newsgroups: comp.sys.atari.st
Subject: SM124 Differences ?
Message-ID: <8807270941.AA03440@ucbvax.berkeley.edu>
Date: 27 Jul 88 09:38:20 GMT
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