Keysight N5991 HDMI Frame Generator User Guide 29
Using the Software 3
Video Format
The available parameters for FRL mode are:
Video Mode—The desired Video Mode can be selected from a broad choice
of FRL video modes by means of a drop-down selection box.
FRL lane count—A value of either 3 or 4 appears depending on the Video
Mode selected.
Auto FLT—If checked, the link training is done automatically. Note that this
option requires the SCDC Controller.
Link Training Pattern selection
The options FRL Lane 0 to FRL Lane 3 allow you to select the pattern for
each lane.
Once the patterns have been downloaded (by clicking the “Set Settings”
option in ‘File’ menu) the following actions are possible:
• Apply selected patterns—applies the patterns selected in the FRL Lane
0-3 drop-down boxes.
• Test pattern—applies the test pattern to each lane.
• LTP5-8 pattern—applies the FRL link training pattern to each lane. It is
composed by 4096 18-bit characters starting with four SR characters
followed by 4092 characters by encoding scrambling LFSR output.
• End—finishes the FRL testing.
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