Re: Monitor Profiling

[bfraser@amer.net (Bruce Fraser)]

<x-flowed>At 3:36 PM -0700 10/12/00, Tom Ferguson wrote:
>I've used PhotoCal on my Mac monitors, they are no darker than "normal /
>factor settings".  If your monitor can only reach 71 on the contrast
>setting, something is wrong with either your monitor or video card or the
>brightness setting (the 4 black boxes test).

Just to be clear, it's not the "Brightness" setting on monitors that 
affects the maximum luminance, it's "Contrast" setting. Contrast 
should really be labelled Brightness, and Brightness should really be 
labelled Black Level, because that's what it does.

As you say, if the monitor can only reach a luminance of 71cd/m2 when 
the contrast is turned all the way up, either something has been set 
incorrectly (a color temperature of 3000K), or the monitor is worn 
out.

It's possible to burn out a midrange CRT like the Iliyama in three 
years if you run it many hours a day and you've had the luminance 
cranked way up. Most CRT's made in the past few years can reach a 
luminance around 120cd/m2 when they're brand new, but if you run them 
that hot they won't last long. It's quite possible that the monitor 
in question has simply reached the end of its useful life for 
color-critical work.

Bruce
-- 
bruce@pixelboyz.com
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