ARIB Displays
ARIB TR-B.22 D
isplay and Status Screens
The ARIB TR-B.22 display shows the decoded data for video signals using
ancillary data compliant with ARIB TR-B.22. (See Figure 68.) When this display
is selected,
the instrument searches the signal for ARIB TR-B.22 packets using
the DID/SDID combinations definedbyARIB.
Figu
re 68: ARIB TR-B.22 display (with the associated ARIB Status display)
The
decoded ancillary data includes the following:
DID - Data Identifier of the requested packet; permissible values range from 1
to
0xFF (255) inclusive.
Type - Type o f the ANC Data packet. For ARIB TR-B.22, this is always a
Ty
pe 2 packet (DID less than 0x80), as defined by SMPTE 291M. The actual
value (with parity bits added) is displayed in parentheses.
S
DID - Secondary Data Identifier of the requested packet; permissible values
range from 0 through 0xFF (255) inclusive. This fieldonlyappearswhen
a Type 2 packet is selected (see above). The actual value (with parity bits
added) is displayed in parentheses.
WFM8200 and WFM8300 Waveform Monitors 139
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