Alarm Descriptions
TVM Series Installation and Operation Handbook 195
Copyright © 2008, Harris Corporation
CC Not Updating – 708
The Closed Caption Not Updating 708 alarm is activated when data received for the
active window through a DTVCC C0, G0, C1, G1 Code Set Mapping command is
unchanging for a period in excess of the duration setting.
Teletext Not Detected – SD
The Teletext Not Detected SD alarm occurs when the presence of Teletext is not
detected for a period in excess of the duration setting.
Teletext Not Updating – SD
The Teletext Not Updating alarm occurs when the Teletext carrier is present and the
data word is the same for a period in excess of the duration setting.
Subtitle Not Detected - SD
The Subtitle Not Detected alarm occurs when the presence of Subtitles is not detected
for a period in excess of the duration setting.
Subtitle Not Updating - SD
The Subtitle Not Updating alarm occurs when Subtitles carrier is present and the
subtitles are the same for a period in excess of the duration setting.
WSS (Widescreen Signaling) Not Detected
The Widescreen Signaling Not Detected alarm occurs when the presence of
Widescreen Signaling for Widescreen Format is not detected for a period in excess of
the duration setting.
XDS Not Detected - SD
The XDS Not Detected alarm occurs when the presence of XDS is not detected for a
period in excess of the duration setting.
XDS Not Updating - SD
The XDS Not Updating alarm occurs when XDS is present and the data word is the
same for a period in excess of the duration setting.
Eye Jitter
The Eye Jitter alarm occurs when the eye pattern jitter exceeds the threshold for a
period in excess of the duration setting.
Timing Alarm
The Timing Alarm occurs when the Time and Line range(s) are exceeded for a period
in excess of the duration setting.
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