NEC Display Wall Calibrator Podręcznik Użytkownika Pobierz pdf (Strona 72)

72 | NEC DISPLAY WALL CALIBRATOR - USER’S GUIDE

If Maximum Possible Matching is selected as the Intensity adjustment method in the current Calibration Target, it will

be necessary to measure the color characteristics of each display so the software can calculate how to match all the

displays. These measurements will determine the maximum possible Intensity that will give a color match with all the

displays.

Click the Measure All button on the Actions panel to start the measurement process. The user will be prompted to place

the sensor on the screen of each display in turn. The display to place the sensor on will ash alternate red and green

colors until the sensor has been positioned on the screen. Place the sensor at against the center of the screen, and

hold it steady while applying the minimum force possible.

The software will then automatically measure the display characteristics which will take about 30 seconds. When

complete, the next display to be measured will ash and this process will continue until all displays are measured.

As each display is successfully measured, its rectangle in the main window will change from Cyan to Magenta.

11. Dene the Calibration Target

Select Calibration Target… from the Edit menu, or click the Edit… button in the Calibration Target panel to open the Edit

Calibration Target dialog. The default values are suitable for most applications. If necessary for a particular application,

custom settings for the method of Intensity adjustment, desired White Point, Gamma value, and Contrast Ratio can be

selected.

12. Calibrate displays

Click the Calibrate All button on the Actions panel to start the calibration process. The user will be prompted to place the

sensor on the screen of each display in turn. The display to place the sensor on will ash alternate red and green colors

until the sensor has been positioned on the screen. The software will then automatically calibrate the display which will

take 2 minutes or more.

When complete, the next display to be calibrated will ash and this process will continue until all displays are calibrated.

As each display is successfully calibrated, its rectangle in the main window will change from Magenta to Green.

13. Evaluate results

Once the calibration process is completed, the results can be visually evaluated by using the Test Pattern feature. On

the Test Pattern panel, select All displays, and click the Calibrated White button.

Note: Since there is a slight color shift with screen viewing angle, so be sure to evaluate the video wall from a distance

and from directly in front.

Click the Off button to turn off the test patterns.

The numerical results of the measurement and calibration process are available by selecting Summary from the

View menu. This window shows the connection settings for all of the displays, including the model and serial number

information for each display.

Important: If the displays do not match well when showing an analog video signal, this indicates that the analog video

signal levels may need to be adjusted to compensate for variations that may cause color shifts between displays. See

the Analog Inputs - Important Notice for more information.

14. Visual Trim (if necessary)

If there are any displays that are not able to be matched accurately enough using the automatic calibration, they can be

visually adjusted using the Visual Trim feature.

15. Congure Tile Matrix (if necessary)

If the displays in the video wall are going to be showing a video source that is divided and expanded across multiple

displays using the internal Tile Matrix feature, the Tile Matrix Wizard can be used to easily congure the settings for all

the displays.

16. Save

Save the project le so it can be used again in the future to re-calibrate the displays when necessary.

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