My apologies if you know about this already but a DP showed me the follwing link which is an excellent resource for anyone maually focussing the DVX (isn't that everyone?) plus a few little secrets revealed:
http://www.flickerfactory.com/egp/morestuff/dvx100focus.htm
Hope it is useful.
http://www.flickerfactory.com/egp/morestuff/dvx100focus.htm
Hope it is useful.