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Glossary
56
SDA 601 Serial Digital Analyzer User Manual
The four characteristics are monitored. Errors in line/field length,
TRS, or ANC format are reported on an error second basis; Zero-
length ANC is considered an error, and error seconds are also
reported.
group
See Watch Group.
highlighting
An SDA 601 operating mode in which pixels in the AUX output
that correspond to selected error conditions “flash” when that
error occurs. Permits visual monitoring of the frequency and
placement of the errors in context of the video signal and
picture.
horizontal interval (horizontal blanking interval)
The time period between lines of active video. In serial digital
video, it is the time between EAV and SAV.
illegal value
Data levels 0 to 3 and 1020 (3FC
h
) to 1023 (3FF
h
) are reserved
to indicate timing references. These values are considered
illegal if they occur elsewhere.
in range (video)
All video words are within the permissible range of values;
luminance between levels 64 and 940 (40
h
and 3AC
h
), and color
difference between levels 64 and 960 (40
h
and 3C0
h
).
I/O menu
The SDA 601 I/O menu containing selections for configuring the
AUX pseudo-video output.
ITU-R
The International Telecommunication Union, Radio Commu-
nication Sector (replaces the CCIR).
ITU-R BT.601
An international standard for component digital television from
which was derived SMPTE 1 25M (was RP-l25) and EBU
3246E standards. CCIR defines the sampling systems, matrix