Display Information
DBN: Data Block
Number of the acquired packet; values range from 0 to
0xFF; the "actual value" (with parity bits added) is displayed in parenthesis
(mutually exclusive with SDID field).
DC: Data Count word of the acquired packet; the number of User Data words
is displayed in decimal; the "actual value" (with parity bits added) is displayed
in parenthesis, in hexadecimal.
Field:Thefi eld of the video from which the packet was acquired; for
progressive formats, 1 is displayed.
Line: T he line of the video (within the field) from which the packet was
acquired.
Stream: For HD (SMPTE 292M), indicates whether the ancillary packet was
acquired from the Y or C data strea ms; for SD, "N/A" is displayed.
Status: Indicates whether packet(s) of the desired type are present in the
video; also indicates Checksum or CRC errors.
Checksum: Indicates the checksum word that was recovered from the
acquired packet.
Should be: Indicates the checksum work computed by the instrument, based
on data of the packet.
Format: Indicates the name of the ancillary data type or standard.
User Data Words: Contains the payload of the ancillary packet, displayed in
hexadecimal; all 10 bits are d ispl
ayed.
Configuring the Watch List
The Watch List allows you to limit the data types viewed in the ANC Data
Display to only those you specify. To configure the Watch List, perform the
following steps:
1. Press the CONFIG button and select ANC Data Display.
2. Select ConfigWatchListfrom the menu.
3. Press the SEL button and a table of data types appears.
4. Check the boxes next to the data types you want to view in the ANC Data
Inspector. Use the SELECT ALL and CLEAR ALL boxes to quickly select
or clear all data types.
5. When you are finished selecting the data types, navigate to the Return box
and press the SEL button.
6. Press the CONFIG button to dismiss the menu.
7. Press and hold the MEAS button and select Display Type and then ANC
Data Display from the p op-up menu.
You can now view the data types you checked in the Watch List.
52 WFM8200 and WFM8300 Waveform Monitors
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