Ensemble Designs 9430 Flexible Matrix Router for 3G / HD / SD / ASI - Manual (Page 74)

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Avenue 9430 Flexible Matrix Router Installation, Configuration and Operations Guide
The configuration controls for the TSGs as are follows:
Standard
Select the desired operating format and frame rate.
Note: The choice of Standard for the Primary Test Signal
Generator sets the System Frame Rate for the entire
Router. This is detailed earlier in the section Setting
Up Timing and Genlock on page 70.
If the Secondary TSG is set to a Standard which is incompatible with
the System Frame Rate (determined by the Primary TSG), then it will
have a free-running H and V. This makes it possible, for example, to
produce both HD1080i/59.94 in the Primary TSG, and 1080i/50 in the
Secondary TSG. Both will have the same frequency accuracy (from the
genlock reference), but only one will be vertically and horizontally
timeable.
Switch Mark
This control enables the Switch Mark feature to identify the point in
the vertical interval where the matrix crosspoint switch will occur. See
“Switch Point Identification” on page 78 for more details.
Note: The Switch Mark is always valid on the Primary Test
Signal Generator because its format and timing
configuration drives the entire Router. It is only valid on
the Secondary TSG when it is configured to match the
Primary.
Pattern
Choose the desired test pattern to be presented by the TSG.
In addition to Black and Bars, the Pathological test pattern is provided.
Also known as Digital Checkfield, it is a “worst-case” signal that stresses
SDI cable drivers and equalizers. It is extremely useful in proving the
integrity of a system.