Re: Highlights washed out
Re: Highlights washed out
- Subject: Re: Highlights washed out
- From: Bogart Salzberg <email@hidden>
- Date: Tue, 19 Jun 2007 09:06:45 -0400
Hey guys,
It turns out I unknowingly increased the system contrast via a
keyboard shortcut. I reset the contrast slider in Universal Access,
disabled the shortcut and know I can SEE again!
Thank You! Thank You!
Bogart Salzberg
On Jun 18, 2007, at 3:04 PM, Rick Gordon wrote:
Make sure that you have not unknowingly adjusted the system
contrast in the Universal Access system preference pane. And while
you're at it, disable the keyboard shortcuts for all of those
functions in the Keyboard Shortcuts tab of the Keyboard & Mouse
preference pane. I don't know if that's your problem, but lots of
people have been bit by it.
Rick Gordon
------------------
On 6/18/07 at 9:40 AM -0400, Bogart Salzberg wrote in a message
entitled
"Highlights washed out":
Dear ColorSync List members,
The brightest 10% of colors appear indistinguishable from white on
my Mac. (i.e. any Lab color with a lightness over 90).
I have attempted various fixes and experiments using ColorSync and
have been unable to find a solution. Below are the results of
these attempts. Any insight you can provide will be greatly
appreciated.
Using Mac OS 10.4.9, Radeon 7500 AGP 4X (1.5 V) graphics card,
Quicksilver G4 2001, VGA.
Initially I expected the problem was related to settings for the
monitor (Dell E207WFP LCD via VGA). However, adjustment of the
monitor settings made no difference in revealing the highlights. I
switched monitors with another computer. The problem recurred with
the other monitor, while the Dell displayed the same images
perfectly (relatively perfectly) on the other computer.
Mind-bogglingly, when I attempted to calibrate the display via
Display Calibration Assistant, I was unable to get the "grey oval"
to appear in the initial "Set Up" step, despite setting the
monitor to maximum contrast and brightness.
I opened one the "highlight" images in ColorSync and tried many
different profiles. They produced subtle differences but none
revealed the highlights. Using the ColorSync sliders, I was able
to reveal the highlights by radically decreasing the brightness or
increasing the gamma or reducing the black point, but these
changes ruined the overall image. It seemed like I needed to
increase the white point, but it was already set to maximum.
Thank you for taking a moment to read this.
Bogart Salzberg
--
___________________________________________________
RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
___________________________________________________
WWW: http://www.shelterpub.com
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