SW Version 2.04 30-January-2009 Page 56 of 128
Please note that only currently available languages in the video service can be
selected from the drop down list. Additional languages can be selected after adding
these under the Admin folder.
VBI/Testlines parameters
Testlines Select the number of Vertical Blanking Interval (VBI) test lines.
Valid entries are Off (default), 17 or 17 and 18 as defined by ITU
T J.63 (625 Line System)
Sinc Testlines Select which line number in VBI to insert the Sinc test signal in.
Valid entries are Off (default), 319 or 335. The Sinc (or Sin(x)/x)
test signal is used to measure the group delay and amplitude
response versus frequency. “Off” will disable the Sinc Testlines
function.
WSS signalling Wide Screen Signalling (WSS) is enabled by ticking indicated box.
The AR Conversion parameter is then inserted into the VBI data
field in order to allow WSS enabled widescreen TVs to display the
aspect ratio as intended. WSS follows ETSI EN 300 294. The WSS
information can be extracted “From Video” or “From AFD”. The
default value is “Off”.
VPS signalling The Video Programming Stream (VPS) is enabled by ticking the
indicated box. The VPS data is then inserted into the VBI data
field is they exist. VPS follows ETSI TS 101 231. The default value
is “Off”.
4.5.3 Video Sync Control
The video sync can be turned off during critical video alarms. When a critical video
alarm is turned on, the video sync is turned off. A user defined delay specifies the
time between the alarm situations goes off and the sync is turned back on again. The
parameters are found under the Video sync shutoff section.
Parameters:
Alarm S.Ctrl Alarm Synch Control can be turned on/off.
Alarm S. Delay Alarm Sync Delay can be adjusted from 0 to 99 seconds.
When sync control is on, the following alarms will turn off the video sync:
Transport Stream Missing
Video PID Missing
Video PID Scrambled
Video Missing
Video Data Error
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