GUIDE TO INSTALLATION AND OPERATION
30
| XVP-1801
For HD Output:
Input Format Line 21 Status CC Insertion
Effect on HD Output
HD 60 Hz
N/A
Off
No DTV closed captions.
N/A
Auto
DTV closed captions enabled
SD 60 Hz
Blanking
Off
Input line 21 ignored for scaling, image slightly upscaled. No DTV closed
captions.
Auto
Input line 21 ignored for scaling, image slightly upscaled. DTV closed
captions enabled.
Active
N/A
Input line 21 has video. No DTV closed captions.
HD 50 Hz
N/A
N/A
No effect
SD 50 Hz
Blanking (line 23)
N/A
Input line 23 ignored for scaling, image slightly upscaled. No DTV closed
captions.
Active
N/A
Input line 23 has video. No DTV closed captions.
Blanking
sub-section
Insertion of the Vertical Blanking Interval may be turned
OFF
or
ON,
using the pull-down box. Insertion is
disabled if no VBI data is present.
•
VBI insertion may only be enabled during SD to SD and HD to HD operation.
•
Audio, closed-captioning, time-code, and AFD data is not handled by this parameter. The only
exception is time code during SD to SD operation, in which case the user must use this parameter to
enable/disable time code insertion.
•
SD to SD: All incoming HANC packets within H blanking, VANC packets within VBI, and VBI lines
may be bypassed to the output.
•
HD to HD: All incoming HANC packets within H blanking and VANC packets within VBI may be
bypassed to the output.
•
HD to HD cross-conversions also supported.
•
HD to HD blanking conversions are applied on luminance channel only. Packets in chrominance
channel not supported.
Timecode
sub-section
If the input is HD SDI, the HD ATC packet will be transcoded to SD only when ATC timecode is present on
the HD input video. In the case of an SD input, the DVITC in the VBI interval is transcoded in an ATC
timecode packet for the HD output. When enabled, timecode insertion is automatic when there is embedded
timecode in the source.
•
The XVP-1801 supports only HD-ATC VITC timecode for down-conversion and DVITC for up-
conversion. ATC packets of type LTC are ignored, but they are passed through at the output. No
conversion is done from HD to SD or SD to HD.
Presence
: the icon turns green when timecode is detected in the incoming signal
SD Detection Line
: Select
AUTO
mode to automatically detect the line that contains the timecode. If time
code appears on multiple lines, the first is selected. Select a specific line if desired; this allows a choice to be
made when multiple time code lines are present.
SD Insertion Line:
the line on which timecode is to be inserted is selectable through a pull-down menu,
between lines
10
and
20
for 525-line output, and between lines
7
and
22
for 625-line output.
•
This control is disabled when the input is SD
Duplicate:
forces a second copy of the time code to be inserted on the 2
nd
line following the selected line. For
example, selecting line 14 for time code insertion, and turning timecode duplication
ON
, will result in time