Cytek Media Systems, Inc. is concerned with you, the customer. We will do our best to meet your needs in product support and service. If you have questions concerning the operation of the equipment you purchased from our company, please contact our Technical Services Line at 800-255-0064, and request Shane Patterson. Our hours of operation are Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. NOTE: If the product you purchased is under warranty by the manufacturer and is needing servicing, contact us at 800-255-0064 and we will give you the information you will need to contact them directly.