Camera manuals in .PDF format available at these links:

GY-HM600U Instruction Manual (135 pages) (http://pro.jvc.com/prof/attributes/inst_man.jsp?model_id=MDL102153&feature_id=11)

Operation manual for the GY-HM650U (168 pages) (http://pro.jvc.com/prof/attributes/inst_man.jsp?model_id=MDL102154&feature_id=11)