sec. disk on dup-dvd

[krisoto]

can any one tell me how to create the sec. disc if i use the dup-dvd. afetr the it finish burning the first one, i put the sec. one and it's still copying the whole dvd, why?

[krisoto]

or i should say,how do i split themovie from dup-dvd and copy on 2 discs?