Quantum Data 881 User Manual page 1006

Video test instrument
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Appendix C Error Messages
978
TMDS 5V pin is bad
The 5V pin of the DVI connectors is monitored by the generator. If the generator does not
detect the 5V on this pin it will issue this error.
Pixel rate too high
The video format's total (active + blanked) number of pixel clock cycles per horizontal scan
line multiplied by the horizontal scan rate exceeds the maximum pixel clock frequency
supported by the generator hardware configuration for the format's video type.
Pixel clock rate too high for pixel depth
The video format's pixel depth combined with the total (active + blanked) number of pixel
clock cycles per horizontal scan line and horizontal scan rate exceeds the maximum
internal video data bit rate supported by the generator hardware configuration. The pixel
depth and/or total number of pixels per line need to be reduced in order to keep the
current horizontal scan rate.
Pixel rate justification too high
The target pixel clock rate selected for justification of the video format exceeds the
generator hardware configuration.
Pixel depth not supported
The video format's pixel depth is not supported by the generator hardware configuration.
Analog composite sync type not supported
The video format's analog video composite sync type selection is not supported by the
generator hardware configuration.
Digital sync composite type not supported
The video format's digital composite sync type selection is not supported by the generator
hardware configuration.
Number of digital links not allowed
The number of serial digital video data links in the video format exceeds the number of
links supported by the current firmware.
Digital sync separate type not allowed for HDTV formats
The generator hardware configuration does not support digital separate sync for the
specific video type selection in the video format
Number of links not supported
The number of serial digital video data links in the video format exceeds the number of
links supported by the generator hardware configuration.

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