Mitsubishi Electronics XL21 Projector User Manual


 
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1.7.5. Image quality adjustment
These adjustments are normally unnecessary.
You can adjust the following items as needed. Set the same value on all cubes in a display
wall.
1.7.5.1. CONTRAST
Used to adjust contrast. The initial setting is 100. Be noted that an excessive image darkening
deteriorates the tone characteristics of darker parts of the image.
[Procedure]
1. Select CONTRAST in the input memory menu (on the 2nd menu sheet).
2. Adjust the value by left/right buttons.
1.7.5.2. BRIGHTNESS
Used to adjust brightness. The initial setting is 0. Be noted that an excessive image darkening
deteriorates the tone characteristics of darker parts of the image.
[Procedure]
1. Select BRIGHTNESS in the input memory menu (on the 2nd menu sheet).
2. Adjust the value by left/right buttons
1.7.5.3. COLOR MATRIX
The optimum option (VIDEO or COMPUTER) is automatically selected in automatic input
signal scanning.
Used to set a hue of colors as needed. The initial setting is OFF.
OFF: Select to turn off the color matrix function.
VIDEO: Select for a motion image.
COMPUTER: Select for a signal from a computer.
USER: Select the user setting adjusted in COLOR MATRIX:USER (chapter
1.5.3.1, on page
48) in the system memory.
[Procedure]
1. Select COLOR MATRIX in the input memory menu (on the 2nd menu sheet).
2. Select OFF, VIDEO, COMPUTER or USER.
1.7.5.4. APERTURE
Used to enhance image edges to emphasize characters etc. in an input image. The initial setting
is OFF.
[Procedure]
1. Select APERTURE in the input memory menu (on the 2nd menu sheet).
2. Adjust the value by left/right buttons.