GRASS VALLEY KAM-DEC-4ADC-MUX, Инструкция по эксплуатации, Страница: 43 / 82

KAM-DEC-4ADC-MUX Instruction Manual 43
KAM-DEC-4ADC-MUX Links and Web Pages
Advanced VBI Configuration
Advanced VBI configuration allows you extend VBI into the active picture
range for special data insertion requirements. Active video lines that are
used to carry data are referred to as Data Lines.
To add Data Lines to VBI:
1. Choose
Advanced (VBI Config)
on the Video Input Select web page
( Figure 23 ).
Figure 23. Standard and Advanced View Selection
The
VBI/Data Lines
panel will appear at the bottom of the web page (see
Figure 24 on page 44 for 525 line rate and Figure 25 on page 44 for 625
line rate).
2. Select the last line (includes all previous active video lines) that will be
used for data.
Selected active video lines will be shown in the
Reserved for Data
section
of the web page as shown for lines 21/284 and 22/285 in Figure 24 on
page 44 and lines 24/337 and 25/338 in Figure 25 on page 44 . Lines not
reserved for data will be greyed out on the VBI Decode web page ( VBI
Decode for Composite Input on page 38 ).
Active video lines that can be made available for data insertion are:
• For 525, lines 21 - 24 in Field 1, lines 284 -287 in Field 2
• For 625, lines 24 - 28 in Field 1, lines 337 -341 in Field 2