System information
7.  Choose a setting from the Genlock  drop-down list if you want to synchronize your video output with 
a reference  signal.
Setting Description
Video In Synchronizes to the SDI input.
Ref In Synchronizes to an external reference input signal.
Free Run Ignores all input signals and uses internal timing.
8.  Select the Recompress edited frames check box if you want to recompress edited frames  in your 
project before previewing.
When the check box is cleared, edited  frames will not be passed to your preview device.
9.  Select  the Display frames in  Video Preview window during playback check box if you want to 
preview  on the external monitor and in the Vegas Pro  Video Preview window simultaneously.
When the check box is cleared, video is sent only to the external monitor.
10.  Select the Use  project output rotation setting check box if you're rendering a  rotated project  and 
want to use the Output  rotation setting from the Project Properties dialog for previewing  your 
project.
When the check box is cleared, the media is rotated according to its  Media Properties setting, but 
the Video Preview output is unrotated—you  can use this setting to proof your project on an 
unrotated display.
For more information, see "Creating Rotated Projects" on page 65.
11.  Choose a setting from the  Stereoscopic 3D mode drop-down list if you're working with  a 
stereoscopic  3D project and want to override the project settings for previewing  your stereoscopic 
3D project on an external monitor.
For more information, see "Stereoscopic 3D editing" on page 201 and "Setting up stereoscopic 3D 
previews" on page 205.
Blackmagic Design Decklink HD Extreme, Intensity Pro, or HD Extreme 3D  SDI
1.  From the Options menu, choose  Preferences  and then click the Preview Device tab.
2.  From the Device  drop-down list, choose Blackmagic  Design DeckLink Video Device. The Details 
box displays information  about the device.
3.  Use  the Conform output  to the following format controls to adjust the video to display  properly on 
your external monitor.
a.  Choose the desired format from   the Conform output to the following format drop-down 
list.
CUSTOMIZING THE VEGAS PRO INTERFACE587










