I finally received the new ep800 and sent the other one back. Now I need some help

I have the denon 3808 and I want to setup the sub properly. I read the instructional guide but is there anything else I should know about before going ahead and crankin' that badboy up?

- Majik

Epic 80 system
Ep 800
Denon 3808
Optoma HD20
PS3
vp180
extra QS8s (to come soon)