Re: Low Res on IIGS Monitor

[Rubywand <rubywand@swbell.net>]

Ryan Tremblay writes ...
> 
> I have an Apple RGB monitor connected to my IIGS.  The display seems fine
> but when I run Appleworks on it I can barely see the letters and I have to
> change the display to a white background and black letters to see.  Also I
> have the Print Shop for the IIGS it seems dark also and I cannot see what I
> am typing on the screen I have to preview to see if I spelled everything
> right.  I am wondering if it is the monitor it has been doing this since I
> got it but the finder looks fine I have no trouble with seeing it. The
> brightness control was missing on it but it came off and went inside the
> monitor and I put it back on and it is on its highest setting.  I am
> wondering if it is the monitor  or a setting on the IIGS?

     I don't know of any standard IIgs setting that can set brightness ... 
Nope, just booted our GS and none of the monitor-related Control Panel settings
let you diddle brightness.

     Some NDA or CDA or INIT might allow messing with system display
brightness. Or, a screen saver that glitches may affect brightness. (Scrapping
any screen saver is a good general purpose cure for all sorts of problems.)

     You should be able to adjust your monitor to a 'too bright' level using
the side controls. If you can't, the problem is likely to be with the monitor.


     There are a couple of controls located in the black High Voltage module
near the left back part of the circuit board. One control affects mainly
brightness and the other affects mainly focus. Adjusting these for a sharp,
bright picture (with the side controls set at center positions) should fix
things.

     Naturally, you can't get to the controls without removing the case.
Removing the case does involve hazards. For some information about safety,
removing the case, and adjusting the controls, see ...

http://home.swbell.net/rubywand/Csa2MONITOR.html
ftp://ground.ecn.uiowa.edu/apple2/Faqs/Csa2MONITOR.txt (pure Text)
http://206.14.25.120/~cturley/a2faqs/Csa2MONITOR.txt (formatted Text)



> I also noticed
> the monitor was dirty inside if I took my can of air and cleaned it would it
> help any?

 ....

     Removing the case and blowing out dust is a good thing to do every few
years. It helps prevent over-heating and gunk buildup which can lead to arcing.
Arcing from the HV module to the nearby metal brace will reduce brightness;
but, usually, the arcing is not continual and the screen flickers.



Rubywand