I haven't tried to do this in a long time, so I'm not 100% if this info is up-to-date. But hope it helps.
Here is Lee's tutorial for getting levels from FPSC into DBpro
http://www.darkgamestudio.com/movies.php
And the code in your project should look something similar to this
(obtained from another thread on the subject)
SYNC ON
sync rate 60
set dir "Files"
load static objects "levelbanktestleveluniverse.dbo",0
position camera 50,55,-50
do
control camera using arrowkeys 0,1,2
SYNC
loop
Your signature has been erased by a mod please reduce it to 600 x 120.