Vela 2000-0422 Installation And User Manual - page 99
Chapter 2 — Overview and Operation
85
DECODER Command (45h)
Video Switch: Can be used to fade/switch audio and switch video source in one
command:
Video switching requires both channels to be genlocked to the same genlock
source. If genlock is not valid on both channels when switching video, the com-
mand will be ignored and the following error will be returned: “Recovered Error,
Genlock Sync Lost.”
The video switch will occur on the next field 1 vertical sync after the command
has been sent.
See “Application Note” on page 139 for an example of two-channel playback
using the CineCast Quad Pro video/audio switching feature.
003D Set Transport Program ID (PID): This command is used to select differ-
ent audio and video Program IDs within a Transport stream. System and Program
streams use a different mechanism, see command 0028h Select Audio/Video
Stream ID.
10000b (16)
341.4 ms
NOTE: Nominal fade time will the 128 ms fade time.
Video Switch
Video Source
00b
No change
10b
Video is switched to MPEG output
11b
Video is switched to MPEG output of adjacent channel pair
SCSI Status
Check Condition
Sense Key
6h
Additional Sense Code and Qualifier
2900h
Fade Time
Fade Time Value
Total Fade Time (in ms)