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Weird results from monitor calibration?
Old 11-10-2004, 11:38 AM   #1 (permalink)
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Okay, so I borrowed my boss' wife's Colorvision Spyder Pro thingamabob and tried it on one of the computers here at work. (The goal is to take it home and try it on my G4 Macintosh, but this was a PC.)

First it had me turn the brightness almost all the way down and the contrast all the way up.

Then it had me set the monitor's color temp to 6500.

Then it blinked colors for a while.

Now it's done and the monitor looks *awful.* Muddy, dim, and the cursor has a weird glow around it whenever it moves across something grey.

What have I done wrong?

M
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Re: Weird results from monitor calibration?
Old 11-10-2004, 11:55 AM   #2 (permalink)
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Marc

I visited a friend last weekend. I sat down at his desktop to check my e-mail. I said to him "I guess this old Trinitron monitor is on it's last legs -- it looks like crap!" He said "Oh no -- I just tuned that with the Colorvision Spyder and that's the way it's supposed to look...."

I have no idea what the deal is. Unless there was a mis-print in the instructions. My friend told me the same thing -- turn the controls to weird settings and then set all the colors.

If this is monitor calibration, then I guess I'll have to keep looking....

Bob

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Re: Weird results from monitor calibration?
Old 11-10-2004, 02:39 PM   #3 (permalink)
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first make sure you turn off and remove Adobe Gamma if you have used it in the past.

for pre calibration yes make the adjustments to black point /brightness and contrast as directed. Adjust the color guns as recommended

Then open up the program...I use optical pick gamma 2.2 if using pc or 1.8 if using mack. Pick 6500K as white point. Go to edit>preferences and pick precision.

Now when it calibrates it will first allow you to adjust the black point and then it will read some colors and gray scale and ask you to adjust the contrast/white level. Go back and double check white point. You may have to go back and forth until these are at target levels. When done, hit continue until finish and set the profile as the default.

Remember to totally remove the Adobe Gamma from startup and monitor profiles.

I use a Colorvision SpyderPRO with OptiCAL 3.7 and it works great. I get dead neutral black and whites when printed on my Epson 2200 and the color prints match the monitor very close.

Hope that helps.

Bill Taking It One Day At A Time
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Re: Weird results from monitor calibration?
Old 11-10-2004, 03:03 PM   #4 (permalink)
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One additional note, make sure you download the latest version of the application from Colorvision. The packaged version that came with my spyder did not work correctly.

Also, keep in mind that point of calibration is to get prints that match what you see on screen in color managed applications not necessarily make every application look better on screen. I agree that most applications look worse, or at the very least, dull from a saturation standpoint. But after calibrating, my prints match almost exactly what I see on screen. If you are already satisfied with the correlation between your screen and prints or at least know what adjustments to make, then color management may not be necessary for you.

Hope this helps.

Sincerely,
Herb Lamb
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Re: Weird results from monitor calibration?
Old 11-10-2004, 04:55 PM   #5 (permalink)
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Some things to check when doing a monitor calibration. I would do it at night and have all lights off in the room. Lastly be sure the monitor has been on and not in screen saver mode for at least 2 hours to get all the guns to be in "proper state". You must also make sure your not running Adobe Gamma as you can only have 1 calibration software running at one time otherwise they will compete against each other and that is asking for trouble.

Things to consider... I set my whitepoint to 5000K and not to 6500K. I find 6500K to be a bit warm (yellow). When it says to make the circle "barely visible", that is what I did and found I saw very little in the shadows. Instead read it as, "visible" and you will increase the amount you see in the shadows.
 
 
Re: Weird results from monitor calibration?
Old 11-10-2004, 05:17 PM   #6 (permalink)
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That "barely visible" thing is key. I did it again and upped that, and it helped quite a bit. Apparently despite the fact that my eyes aren't that sharp, they're very contrast-sensitive. [img]/ubbthreads/images/graemlins/smile.gif[/img]

M
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Re: Weird results from monitor calibration?
Old 11-10-2004, 05:35 PM   #7 (permalink)
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Glad I could help. That was something I struggled with as well for a while so you aren't alone.
 
 
I think the problem is more serious than calibration. . .
Old 11-11-2004, 09:00 AM   #8 (permalink)
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but it sounds like you blew or overloaded a color gun. Depending on the missing color the other two will produce a similar reaction. If the Monitor is still under warrenty check it out with the dealer otherwise look to buying new soon because when these things start to go. . .
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