NVIDIA Corporation
Quadro FX 4000 SDI User’s Guide
– Version 2.1
15
C
HAPTER
3
Using the Graphics to SDI Control Panel
More About the External Sync Signal
When the software detects the external sync signal, the sync format information appears
in the
Genlock format
text box.
This section describes other situations that might come up when attempting to sync to an
external sugnal.
Switching External Sync Signals
If you have both SDI and composite sync signals connected, the software automatically
chooses the SDI signal.
If you want to switch to the composite signal, click the arrow in the
Genlock format
group box and then click COMP Sync.
Manually Detecting the Signal
•
If the software loses the external sync signal or does not detect it automatically,
click the signal detect button to force detection of the sync signal.
• For composite signals, the software automatically detects the signal type that is being
used—either bi-level or tri-level.
If the software is unable to detect the signal type, click the
Genlock format
list box
arrow and then click the COMP option corresponding to your sync source.
