About the soft edge of multiscreen

i’m a noob.
i want make 4 screen together(2 X 2,vertical and horizontal).
i’m trying the multiscreen(span mode) with the soft edge pin, i can see the soft edge now, but the problem is that soft edge of every screen stay always on the right side. why is that happen? how can i change the side of the softedges?
someone help me!

thanx a lot!

Hi, multiscreen(span mode) from what I remember is just there for legacy module. Use multiscreen(ex9), select the node and press F1 it pretty self explanatory. To get soft edging on the top as well as the sides you need to make sure you set the overlapX and Y to values greater than 0.