Casio CZ/ VZ/ FZ - Pro Series

I'm new to this list so forgive me if this has been covered before 
but i couldn't find it in the archive.
On a VZ10M/HS2E is it possible to stop the annoying click at the 
start of a note without slowing down the envelope attack? You can 
produce some evil sub bass with this thing but its totally useless as 
every time i trigger the sine wave i get a big click on the front. Is 
this just my machine or do they all do this? Its a major pain in the 
arse. 
Any ideas would be helpful.