DL3 S video Input

Hello I have 3 Dl3 that im trying to st as S video input from an edirol v8 video mixer..
but the dl3 doesnt recogmize teh svideo signal...

is there a stepby step directions of where i can get this done, i really need to work with the v8 and place a video aqmplifier to go to all 3 of them..

wha im i missing