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881/882 Video Test Generator User Guide (Rev A.22) 65

XVSI 3 // Selects the HDMI-D interface

ALLU // Applies the interface setting to the generator

If you are using the 882D you can select either HDMI-D or DVI-D interface. The DVI-D

option provide dual link, the HDMI-D offers signal link only.

To verify the test set-up:

1. Press the Source key to access the list of formats.

2. Choose a high definition component format (for example, 720p50) by pressing the

adjacent soft key.

Alternatively, you can load the format with the following command:

FMTL 720p50

FMTU

3. Press the Content key to access the list of images.

4. Choose a suitable image (for example, SMPTE133) by pressing the adjacent soft key.

Alternatively, you can load the image with the following command:

IMGL SMPTE133

IMGU

To test the display:

1. Press the Source key and select the first test format.

Alternatively, you can load the format with the following command:

FMTL format_name

FMTU

2. Press the Content key and select the first test image.

Alternatively, you can load the image with the following command:

IMGL image_name

IMGU

3. Repeat steps 1 and 2 for all formats and test images. Use the following guidelines to

verify proper operation:

• When testing photometry such as chrominence, use the ColorBar, SMPTE133, or

SMPTEbar images. Look for missing bars which may indicate a dead or

unconnected channel. Also, look at the transitions between the bars; they should

be sharp and distinct. Each bar also should be uniform in color and intensity across

its entire width.

• When testing luminance, you can use the SMPTE133 (grayscale) images. To test

gamma correction, you can use the SMPTE133 (checkerbox) image. The detailed

methods for verifying these parameters on the SMPTE133 image are provided in

Appendix B, “Image Reference.”

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Quantum-data 881 Bedienungsanleitung Seite 83