profile to dark levels

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  • #21535

    Herwin
    Participant
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    Hi,

    I’m having trouble to get my profile right. I’m using a SpyderX with a  DELL U2713H monitor.

    Setting on my Dell:

    • Brightness: 17
    • Contrast: 50
    • Gamma: MAC
    • Preset: Custom->Gain (to set the values in DisplayCal on R, G,B to match 6500K)

    The colours are great, only the black levels are to black. I can hardly see difference in the patches show in e.g. https://www.photofriday.com/info/calibrate

    When my display is calibrated with te Spyder software it is nice equal steps. With displayCal the black steps to gray are big en not linear steps.

    The attaches curves show the readout of the profile of DisplayCal and the Spyder profile.

    What do I do wrong?

    Thanx for your help

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    #21545

    Florian Höch
    Administrator
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    The 2nd profile doesn’t look right, probably measurement error. Make sure to turn off any dynamic processing like True Tone, auto brightness etc. and redo the calibration + profile.

    #21546

    Herwin
    Participant
    • Offline

    Thanx for the fast reply!

    The second is the DisplayCal profile… I already did a lot of things to get it right:

    I got always the same curve… 🙁

    #21547

    Florian Höch
    Administrator
    • Offline

    Uninstall the Spyder software.

    #21548

    Herwin
    Participant
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    Uninstall the software and did a new calibration. Same…

    • This reply was modified 4 years, 4 months ago by Herwin.
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    #21554

    Florian Höch
    Administrator
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    Use this profile as basis: https://my.xrite.com/documents/apps/public/helpfiles/EN/XRite_LinearProfile.icc.zip

    You cannot use a profile as “basis”. Calibration & profiling always overrides any assigned profiles.

    Something is interfering and messing up your measurements, unless the monitor really is that badly behaved. Please attach the profile you created.

    #21555

    Herwin
    Participant
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    Ok, I did read that somewhere in the forum. so that’s is why I use the basis profile..

    attached the profile.

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    #21557

    Florian Höch
    Administrator
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    Ok, it’s the testchart you’re using. Not sure where you got that from, but it is unsuitable as it is missing near-black patches. Set testchart to default: “Auto” and 34 patches.

    #21558

    Herwin
    Participant
    • Offline

    Yes! Fixed it. Thanx for the quick support!

    It was my first (bad) profile.. dunno how it came as test profile. Sorry!

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