Grass Valley 8964ENC v.1.2.2 - Manual (Page 47)

8964ENC/-FS — Instruction Manual 47
Configuration
VBI Web Page
Use
this
link
Use the VBI web page ( Figure 21 on page 48 for 525 line rate or Figure 22
on page 48 for 625 line rate) to configure the programmable line pairs in the
vertical blanking interval of each channel. Refer to Vertical Blanking Interval
Controls on page 22 for information on VBI lines. Table 8 on page 67 gives a
summary of controls, defaults, and parameter ranges.
Select the channel to be adjusted from the Channel 1 – 4 buttons. The line rate
for the selected channel (525 or 625) will appear in the upper left of the dis-
play.
The display will show each of the programmable VBI line pairs available
for that line rate and any Data Line Pairs that have been reserved for car-
rying data.
Configure the VBI Line Pairs in each channel for the following:
• Blank – select to blank the Field 1/Field 2 line pair. Select the Blank All
button to blank data on all line pairs or the Pass All button to pass data
on all line pairs.
• Data Line Pairs – check one of the Reserved for Data selections to
reserve the line pair for carrying data. Line pairs reserved for data will
be graphically displayed.
• VBI Setup – in 525 mode, turn VBI setup On or Off for all VBI lines.
Note This checkbox will only be active when the Active Video Setup Add checkbox
has been selected on the
Composite Out Web Page on page 52 . If setup has
not been added, this selection will appear as a read-only N/A condition.