For ThereminVision II,

The manual can be downloaded from the following url:
http://groups.yahoo.com/group/thereminvision/files

There is a discussion group devoted to Thereminvision II kit at:
http://groups.yahoo.com/group/thereminvision/

Terry Fritz has a site devoted this subject which is also an excellent subject (E-Field Sensing) resource at:
www.thereminvision.com

If still unable to resolve you problem, sent an email to:
support@robotlandinc.com