Display Information
Video S ession
The Video Sessi
on display contains several performance parameters that you can
view to get an overview of the video input signal. This instrument maintains a
running video status session. (See Figure 36.)
Figure 36: Video Session display of HD signal
SDI elements of the Video Session display. The following e
lements are visible
when SDI 1A or 1B is the selected signal:
Input: Shows the selected input source.
Signal: I ndicates whether the instrument is locked to the selected input.
Effective: Shows, in order, the detected format, sample structure, and
transport of the input signal.
Selected: Shows, in order, the selected format, sample structure, and transport
of the instrument.
352M payload: Indicates the presence of a SMPTE 352M payload.
SAV Place Err: Indicates whether a Start-of-Ac
tive-Video Placement Error
has occurred.
Field Length Err: Indicates whether a Field Length Error has occurred.
Line Length Err: Indicates whether a Line Length Error has occurred.
Ancilliary Data: Indicates whether Ancillary Data is present in the video
signal. The displayed values are either Present or None for SD signals, or Y
and C Present and None for HD and 3 Gb/s signals.
F1 AP CRC: For SD signals only, calculates and displays the active picture
CRC (Cyclical Redundancy Check) for field one in hexadecimal. The
WFM8200 and WFM8300 Waveform Monitors 63
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