Can't Calibrate Contrast

Discussion in 'Archived Threads 2001-2004' started by Kevin_Graham, Oct 22, 2002.

  1. Kevin_Graham

    Kevin_Graham Stunt Coordinator

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    Using the Home Theater Sound & Vision calibration disk I followed along and with the directions and was able to calibrate everything on my Toshiba TW40F80 except my contrast. I could not get the top two areas to blend together as one. Is this an issue with my TV or with the disk?
     
  2. Michael TLV

    Michael TLV THX Video Instructor/Calibrator

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    Michael Chen
    Greetings

    That test is designed to tell you where "NOT" to set your contrast. It does not tell you where to set the contrast.

    To set it right ... you need a light meter to measure 15 to 20 ft-l on a 100 ire windowbox.

    Typically, this 15-20 ft-l light output corresponds to a contrast setting in the range of 30 to 40% contrast.

    Regards
     
  3. Kevin_Graham

    Kevin_Graham Stunt Coordinator

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    Thanks Michael! I guess I'll have to get it professionally calibrated. [​IMG]
     
  4. Steve Schaffer

    Steve Schaffer Producer

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    Kevin,

    Until you can get that pro calibration, try this:

    With something white on the screen (I have AVIA, not the disc you have so can't get more specific) turn contrast down until the white looks definitely gray. Then turn it back up until it just turns white, no further.
     

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