Quantum Data 881, Руководство пользователя

Страница: 67 / 1144

882 Video Test Instrument User Guide (Rev A.35) 55
Alternatively, to activate the interface through the command line interface, enter the
following commands:
XVSI 3 // Selects the HDMI-D interface
ALLU // Applies the interface setting to the 882
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