ViewSonic PJD7820HD Projector User Manual


 
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Gamma refers to the relationship between input source and picture brightness.
Selecting a Color Temperature
Highlight the PICTURE > Advanced > Color Temperature menu and press / .
The options available for color temperature* settings vary according to the signal type
selected.
1. T1: With the highest color temperature, T1 makes the image appear the most bluish
white than other settings.
2. T2: Makes images appear bluish white.
3. T3: Maintains normal colorings for white.
4. T4: Makes images appear reddish white.
*About color temperatures:
There are many different shades that are considered to be "white" for various purposes. One
of the common methods of representing white color is known as the “color temperature”. A
white color with a low color temperature appears to be reddish white. A white color with a
high color temperature appears to have more blue in it.
Setting a preferred color temperature
1. Highlight the PICTURE > Advanced > Color Temperature menu and select T1,
T2, T3 or T4 and press MODE/ENTER.
2. Press / to highlight the item you want to change and adjust the values by
pressing /
.
Red Gain/Green Gain/Blue Gain: Adjusts the contrast levels of Red, Green,
and Blue.
Red Offset/Green Offset/Blue Offset: Adjusts the brightness levels of Red,
Green, and Blue.
Color Management
Only in permanent installations with controlled lighting levels such as boardrooms, lecture
theaters, or home theaters, should color management be considered. Color management
provides fine color control adjustment to allow for more accurate color reproduction, should
you require it.
If you have purchased a test disc which contains various color test patterns and can be used
to test the color presentation on monitors, TVs, projectors, etc., you can project any image
from the disc on the screen and enter the Color Management menu to make adjustments.
To adjust the settings:
1. Go to the DISPLAY menu and highlight Color Management.
2. Press MODE/ENTER on the projector or Enter on the remote control and the Color
Management page is displayed.
3. Highlight Primary Color and press / to select a color from among Red, Yellow,
Green, Cyan, Blue, or Magenta.
4. Press to highlight Hue and press / to select its range. Increase in the range
will include colors consisted of more proportions of its two adjacent colors.