Acer X1173 - Manual (Page 29)

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Note: "Saturation" and "Tint" functions are not supported under computer
mode.
Tint
Adjusts the color balance of red and green.
• Press to increase the amount of green in the
image.
• Press to increase the amount of red in the image.
Color
Temperature
Adjusts the color temperature. At higher color
temperatures, the screen looks colder; at lower color
temperatures, the screen looks warmer.
Dynamic Black
If turned on, the projector dynamically adjusts the power
consumption of the lamp according to the brightness of
the image being projected. When projecting darker images
the power consumption will be reduced and the contrast of
the image will also be enhanced.
Gamma
Effects the representation of dark scenery. With greater
gamma value, dark scenery will look brighter.