Grass Valley 8964DEC v.1.1.0 - Manual (Page 47)

8964DEC/-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 Programmable VBI and
Active Picture Lines – Composite Input on page 23 for information on VBI
lines. Table 8 on page 67 gives a summary of controls, defaults, parameter
ranges and what lines of video are affected by each control.
Select the channel to be adjusted from the Channel 1 – 4 buttons. The current
line rate for the selected channel will appear in the upper left of the display.
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:
• Decode Mode – select the type of decoding for the channel VBI and
Data Line Pairs as
Notch Decode or Pass Through . This is a global control
and affects all lines of programmable VBI lines.
• Chroma Kill – select this checkbox to shut off chroma on the program-
mable VBI lines. This is a global control and affects all lines of program-
mable VBI lines.
Note This control has no affect when Chroma Kill has already been enabled on
Video Proc web page.
The following controls can be applied to each programmable VBI Line Pair
on a line selectable basis:
• Remove Setup (525 only) – select to remove setup on the selected line
pair.
Note Only adjustable when Remove active video from setup is checked on Video
Composite In web page. When Remove active video from setup is
unchecked (no removal), setup removal has no affect on the VBI web page.
• Blank – select to blank the line pair.
• 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.