Tektronix WVR6020, Technical Reference

Page: 45 / 138

Speci fi cations
Table 45: Common alarms (WVR6020, WVR7020, and WVR7120) (cont.)
Alarm Indication
EIA608 Caption Error A data error in an EIA608 data stream, excluding Extended Data Services and EIA708
Caption Data Packet errors.
V-Chip Presence Error No content advisory packet has been detected in the selected video input signal for at
least 4 seconds.
V-Chip Format Error A content advisory packet contained illegal data or was formatted incorrectly.
Extended Data Services Error A data error in Extended Data Services of an EIA608 data stream.
Caption Data Packet Error A Caption Data Payload error in the EIA708 stream carrying EIA608 data.
Line 21 presence Error
No VBI caption signal was found on the con fi gured Line and Timing of the selected video
input signal.
ANC CC Presence Error No caption ancillary data (SMPTE334M) was found in the selected video input signal.
TSID Missing No Transmission Signal Identi fi er was found in the selected video input signal.
TSID Format Error Detected Transmission Signal Identi fi er is not an allowed value.
AP CRC Error Encoded AP (active picture) CRC differs from the calculated CRC.
FF CRC Error Encoded FF (full fi eld) CRC differs from the calculated CRC.
EDH Error
EDH (error detection and handling) has detected an error.
Table 46: HD speci fi c alarms added with Option HD
Alarm Indication
Video Not HD
The selected SDI video input signal is not an HD format.
Line Number Error The encoded line number differs from the counted line number.
Y Chan CRC Error The encoded CRC for a line’s Y (luminance) samples differs from the calculated CRC.
C Chan CRC Error The encoded CRC for a line’s C (chrominance) samples differs from the calculated CRC.
Y Anc Checksum Error The encoded checksum in a Y (luminance) ancillary data packet differs from the calculated
checksum.
C Anc Checksum Error The encoded checksum in a C (chrominance) ancillary data packet differs from the calculated
checksum.
Table 47: Composite speci fi c alarms added with Option CPS
Alarm Indication
Cmpst Input Missing No signal is detected on the selected composite video input.
Cmpst Lock Unable to lock to the selected composite video input
Table 48: Audio alarms added with Option AD
Alarm Indication
Over The signal has exceeded the level speci fi ed by the Over Level setting for the period of time
speci fi ed by the Duration for Over setting.
Silence The signal has fallen below the level speci fi ed by the Silence Level setting for the period of
time speci fi ed by the Duration for Silence setting.
Waveform Rasterizers Speci fi cations and Performance Veri fi cation 31