Biodex Medical Systems, Inc. is committed to excellence. Our goal is to make your job easier. For over 50 years we have built long-standing relationships based on product design, quality, and after sale support. Technical questions can be answered by our knowledgeable staff . Biodex realizes the urgency of your daily schedule. We pride ourselves on superior after-sale support. Instruction Manuals and Quick Reference Guides are included with our products. Over the phone trouble shooting is available from our dedicated 1- 800-224-6339 Service Hotline. Biodex Technicians, located throughout the country, guarantee fast efficient field service.