General Instrument DSR-4800 Series, Руководство пользователя

Страница: 14 / 22

IRD User Guide
11
•
Simply indicates the P acket Id entifcation (PID) of the data packets
carrying the video bit stream.. If a video program source is not
selected/active, “----“ is displayed under the ”
PID ” heading.
3.
Press the Video key once again. A second video screen menu will be
displayed.
VID
•
Simply indicates that the current menu is the Video menu.
VITS (Configurable)
•
Allows a V ertical I nterval T est S ignal (VITS) to be inserted on a
single line of video between VBI (Vertical Blanking Interval) lines
10 and 20 inclusive.
4.
Using the Edit knob and Save key, the “
VITS
” parameter should be set
to “
L#19
”
•
It is critical that the user be mindful that the VITS selection will
overwrite any VBI information in the program stream. Setting
VITS on any other than L20F2 may result in disruption of CBS
VBI services.
ODD/EVEN (Configurable)
•
Allows the user to select the video field (odd, even, or both) and
type of Vertical Interval Test Signal to be inserted on the line of
video selected under the VITS parameter above. Current test
signal selections are:
1.
NTC 7 Composite
2.
NTC 7 Combined
3.
FCC Multiburst
5.
Using the Edit knob and Save key, set the “
ODD
” video field parameter
to “
Off
”. No vertical interval test signal will be placed in the odd
video field.
6.
Using the Edit knob and Save key, set the “
EVEN
” video field
parameter to “1”. A NTC 7 Composite test signal will be placed in the
even video field.
7.
Press the Video key once again. A third video screen menu will be
displayed. This display pertains to the IRD Genlock feature.
GENLOCK
•
Simply indicates that the current menu pertains to the genlock
system. The number below this heading indicates the version of
the genlock firmware.