Dell U2414H calibration report help

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  • #694

    anonymous SourceForge
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    Hello,

    I recently purchased a Dell U2414H. Calibration was performed with a
    Spyder4 express colorimeter. RGB channels were adjusted to get white
    balance at 6500K prior to calibration. Attached is the calibration
    report. I have a couple of questions on how I can improve a few
    deficiencies I see.

    — First, the color temperature tracking jumps up at the low end. Is this
    normal? Any way to counteract this?

    — The measured black level is a bit high at ~0.2, and the calibrated
    contrast ratio seems a bit low at ~700:1. Can this be improved by changing
    brightness or something? I have mine set for 140 cd/m2.

    — There is a strange blip in the gamma tracking at ~90%. Any way to
    counteract this?

    Otherwise all of the deltaE values are below 1 and color temperature is
    very close to 6500K.

    Thanks!

    #695

    Florian Höch
    Administrator
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    Hi,

    Attached is the calibration report.

    I think you’ve forgotten to attach the file?

    The measured black level is a bit high at ~0.2, and the calibrated
    contrast ratio seems a bit low at ~700:1. Can this be improved by changing
    brightness or something? I have mine set for 140 cd/m2.

    0.2 cd/m2 black level and 140 cd/m2 white seems about right for an IPS panel like the U2414 uses, so I don’t think anything is wrong there.

    #696

    anonymous SourceForge
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    Thanks for your reply Florian.

    Please let me know if you can see the attached report.

    Attachments:
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    #698

    Florian Höch
    Administrator
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    The report looks alright.

    #699

    anonymous SourceForge
    Member
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    Okay, thanks. Was just wondering if the abnormalities on the low end for color temp and on the high end for gamma could be corrected somehow. I ran a susbequent calibration using the “medium” option and obtained even better results, but the same abnormalities are there just not as extreme. I’m assuming its just inherent to the display, as it won’t be perfect at the price point I paid.

    Otherwise though I’m very happy with the calibration, thanks!!

    #700

    Florian Höch
    Administrator
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    Was just wondering if the abnormalities on the low end for color temp and on the high end for gamma could be corrected somehow.

    Well, yes. That’s what happens when the profile gets used.

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