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Thread: How do I adjust screen contrast on a Gazelle Professional?

  1. #1
    Join Date
    Dec 2011
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    31

    Question How do I adjust screen contrast on a Gazelle Professional?

    How do I adjust screen contrast on a Gazelle Professional with 95% NTSC Color?

    Thank you,
    John Smith Not 1882

  2. #2
    Join Date
    Jan 2010
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    62

    Re: How do I adjust screen contrast on a Gazelle Professional?

    Quote Originally Posted by JohnSmithNot1882 View Post
    How do I adjust screen contrast on a Gazelle Professional with 95% NTSC Color?

    Thank you,
    John Smith Not 1882
    nvidia-settings has adjustments for contrast. I don't think there is a hardware control.

  3. #3
    Join Date
    Oct 2007
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    Aurora, CO
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    Re: How do I adjust screen contrast on a Gazelle Professional?

    That's correct. Any contrast adjustments would need to be made if software.

    You can control the brightness by holding Fn and pressing F8 or F9.
    Ian Santopietro - System76 Technical Support.
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  4. #4
    Join Date
    Apr 2009
    Beans
    4

    Re: How do I adjust screen contrast on a Gazelle Professional?

    I've found that I can get a much better contrast by lowering the screen gamma setting. I use the following command:

    xgamma -gamma 0.65

    After changing the gamma setting, the screen is beautiful and doesn't seem so washed out. I created a small shell script which runs the xgamma command and I've added it to the startup programs.

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