Akai STD-2000 Manuel D'utilisation page 63

The menu setup system – DVD Section Advanced features
2.4.2 CONTRAST
Use the "up" and "down" function keys to move the control and adjust
the contrast.
2.4.3 HUE
Use the "up" and "down" function keys to move the control and adjust
the hue.
2.4.4 SATURATION
Use the "up" and "down" function keys to move the control and adjust the
saturation.
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