if i go menu ,system then i dont get a hard disk option

if i go about ,i see that no hdd detected

and i dont have a manual for dm800se.only geting started leaflets were in box.
and from site there is no manual for the specific model/
only for dm800 pvr.
anyone can provide me a pdf manual for dm800se?

i installed a 500gb hdd in dm800se.
dreambox cant find the hard disk.
isnt just plug and play?
needed to conect any cables?
i didnt