Start Time: The start time fields define the hour, minutes, and seconds at which a convert or preview operation will begin.

End Time: The end time fields define the hour, minutes, and seconds at which a convert or preview operation will end.

Deinterlace: The deinterlace option can be used for both conversion and preview operations. When checked, the conversion output or DVD preview will be deinterlaced. Likewise, if the checkbox is not checked, the conversion output or preview will be unaltered from the source.