Three simple questions from a new user

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  • #25205

    TML59
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    Hi, new to DisplayCAL and used it with my Spyder4 yesterday. I have some simple questions. Running on Win10

    1. When I started the calibration my screen was very red. It appeared that I had to manually disable nigh-light correction. Why is DisplayCAL not doing that automatically during calibration?
    2. Will DisplayCAL disable the screensaver during calibration. I found the it took 30+ minutes for a simpel first calibration. Kept my system “alive” but is that required?
    3. How can I compare uncalibrated vs. calibrated quickly? I’d like to be able to switch to see the before and after.

    Thanks

    #25209

    Vincent
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    1. How can I compare uncalibrated vs. calibrated quickly? I’d like to be able to switch to see the before and after.

    Thanks

    Tray app in windows, reset video card gamma table. To load grey calibration again just re-load calibration in the same tray app (upper option)

    #25235

    Amelia Durham
    Participant
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    Thanks!

    #25254

    Florian Höch
    Administrator
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    When I started the calibration my screen was very red. It appeared that I had to manually disable nigh-light correction. Why is DisplayCAL not doing that automatically during calibration?

    It can’t. There’s no API for that in Windows.

    Will DisplayCAL disable the screensaver during calibration.

    Yes.

    #25258

    TML59
    Participant
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    1. How can I compare uncalibrated vs. calibrated quickly? I’d like to be able to switch to see the before and after.

    Thanks

    Tray app in windows, reset video card gamma table. To load grey calibration again just re-load calibration in the same tray app (upper option)

    Thanks, pity we don’t have a way to quickly toggle between the two do it’s easier to see the effect/impact of the calibration

    #25259

    TML59
    Participant
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    When I started the calibration my screen was very red. It appeared that I had to manually disable nigh-light correction. Why is DisplayCAL not doing that automatically during calibration?

    It can’t. There’s no API for that in Windows.

    Thanks.

    What about these?

    https://superuser.com/questions/1200222/configure-windows-creators-update-night-light-via-registry

    https://gallery.technet.microsoft.com/scriptcenter/Set-BlueLight-Configure-0cfb8b65

    https://www.windowscentral.com/how-automatically-switch-dark-mode-night-time-windows-10

    #25260

    Florian Höch
    Administrator
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    What about these?

    I know all of these. They don’t work. Despite that, it’s very hacky to try and change undocumented registry values. If the underlying way these entries are written by Windows changes only in the slightest, this could lead to all sorts of breakage, including night mode stopping to work entirely.

    #25269

    TML59
    Participant
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    What about these?

    I know all of these. They don’t work. Despite that, it’s very hacky to try and change undocumented registry values. If the underlying way these entries are written by Windows changes only in the slightest, this could lead to all sorts of breakage, including night mode stopping to work entirely.

    Clear, thanks

    #25338

    Sora-san
    Participant
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    For the third question. When you install the profile, you can select “preview calibration” in the pop-up window. Check and uncheck this to help you quickly compare results.

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    #25378

    TML59
    Participant
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    Can I also do this preview after I installed the profile?

    #25379

    S Simeonov
    Participant
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    Can I also do this preview after I installed the profile?

    Yes, I guess.

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