System information
b.  Select a radio button to indicate when you want to adjust the output to the selected format.
Setting Description
Only when the project 
does not match any 
available format
Select this radio button if you want to adjust  the video only if the 
project settings  do not match a standard format. For more 
information, see "Setting Project Properties" on page 53.
Always Select this radio button if you want to adjust  the video output to 
the selected format whenever you preview on the external  
monitor.
Use this setting when you do not have a preview  device that 
supports your required project format.
For example, if you're creating a PAL project,  but you don't have 
a PAL monitor, you could use this setting to preview  on an NTSC 
monitor.
4.  Select the Use 10-bit encoding check box if you're using 10-bit source material and the Pixel format 
setting on the Video tab of the Project Properties tab is set to 32-bit floating point.
Enabling 10-bit encoding allows your preview to maintain higher color  resolution when previewing 
video.
When the check box is not selected, the video preview output will use  8-bit encoding.
5.  If audio and video do not  play back in synchronization, drag the Sync  offset slider to specify a 
frame offset to restore synchronization.
This       setting affects preview synchronization only. Audio and video synchronization       in your 
project is unaffected. Depending on your hardware setup, you may       need to adjust your 
settings. For example, you might need one setting       when previewing directly to a monitor and a 
slightly higher setting when      previewing through a monitor that is connected to a deck.
6.  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.
7.  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.
8.  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.
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