Color Balancing for Multiple Displays

15 Color Balancing

Color balancing makes the individual displays in an array show the same colors. Colors vary slightly from one display to the next, because of slight variations in the lamps and DLP engines. Color balancing can compensate for this.

There are two methods to color balance a wall:

Manual color balance

Auto color balance (ACB)

Manual Color Balancing

To color balance, you only have to match whites and grays. When you make all the displays look the same with white and gray, all the other colors will look the same.

Caution: Do not match the colors of the displays with the Black and White Level controls or with the video controls.

Caution: If you are color blind, even a little bit, do not manually color balance your array. Have someone else color balance the wall.

1Turn on all the displays in the array and let them warm up for at least five minutes. The lamps must be thoroughly warm before you color balance.

2On each display, open the COLOR BALANCE menu by pressing MISC once on the remote.

Note: If the array has never been color balanced, make sure you start with the Native color temperature option on each display. If you don’t need a specific color temperature, use Native, which is the brightest.

3On each display, highlight TEST PATTERN and use the left/ right arrow keys until the menu displays WHITE.

Note: Always use the internal Test Patterns for color balancing, not an external pattern.

4 When all displays are white, find the least bright display in the array. This will be the “baseline” display, and you will not adjust it. All other displays will be adjusted to this baseline display.

5Choose a display next to the baseline display and adjust its white values (red, green, and blue) to make it match the baseline display. Concentrate on the center of the dis- plays, not the adjacent edges.

6Continue with other adjacent displays until all the displays have the same appearance when white. Be careful not to change the values of displays once you are satisfied with

them.

7When all displays look the same when showing the White test pattern, select the Gray test pattern in all displays.

8 Choose any display as the new baseline display. It does not need to be the baseline display you used for white.

9Adjust gray for all the displays until they match the base- line display. Do one display at a time. Again, match the

center part of the picture, not the edges.

10When all displays match in gray, close all the menus. The test pattern automatically turns off.

Auto Color Balancing (ACB)

ACB automatically determines the display’s brightness of the maximum range of colors (also called “color gamut”) that can be created on all the displays in the array. Then ACB matches the light output on all the displays and adjusts the color outputs. You must have the optional WallNet device and optional Option key with ACB. For more information about ACB and WallNet installation, see the WallNet manual.

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Planar C67RP, C50RX, C67RX Color Balancing for Multiple Displays, Manual Color Balancing, Auto Color Balancing ACB, Them

C67RX, C67RP, C50RX specifications

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