MedtoYou.com offers an operator's manual for the Voldyne 2500 volumetric exerciser. Users must enter the name of the product into the search bar, then click on the relevant result. A link to the PDF file containing the manual is located in the resources section.
The guide for the Voldyne 2500 begins with a short note detailing the purpose and intended use of the exerciser. The following pages contain a diagram showing how to assemble and use the product. Also included is a chart for tracking patient progress. The manual ends with tables showing target results for men and women of various ages and statures.