The Apple Video Player installed with the Power Macintosh 7500 and 8500 computers shows a TV option in the Controls window. However, when you click TV, you get a message stating "To use this feature you must have a TV tuner installed in your computer". If you click OK, you will immediately notice the color and brightness change on your screen.

Even though the Apple Video Player installed on Power Macintosh 7500 and 8500 computers has an option for displaying input from a TV tuner, there are no hardware TV tuner options available from Apple for these computers. Therefore, if you select the option for displaying input from a TV tuner and launch the Apple Video Player, it reports that it cannot use the TV option. It also resets the gamma settings in the Sound & Displays control panel to the default Mac Standard gamma in the control panel.

If you have set the gamma setting to anything other than the default Mac Standard gamma in the Displays area of the Sound and Displays control panel, you will see the screen image change as the Apple Video Player resets the gamma to Mac Standard.

This issue has been investigated by Apple engineering and will be resolved in the next release of the Apple Video Player. For now, the only way to prevent Apple Video Player from resetting the gamma settings you originally changed is to avoid pressing the TV options button in the Apple Video Player Controls window.

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