Fireflybob.... bizarre as it seems i think O\ZON is spot on with his explanation. We too have different pages in performance manual for VMC departures, ACE03 springs to mind along with FNC05. Try this link to the JAR web site and see if it's as clear as mud.
http://www.jaa.nl/jar/jar/jar/jar.ops.1.495.htm
Cheers, Scally
ps. This is the main index, very useful
http://www.jaa.nl/jar/jar.html