42Technical AssistanceShould you experience a problem with your i-Force amplifier, pleasecontact the dealer that sold you this product. If your dealer is unable tosolve your problem, you may contact the factory service department directly.Phone: (209) 577-4268 Monday - Friday, 8AM - 5PM Pacific TimeFAX: (209) 577-8548Also, check our web page, www.zapco.com, for tips. You can also e-mailtechnical help directly from our web page or engineer@zapco.com.If you need to return this product for repair, please call the factory for aReturn Materials Authorization (RMA) number. We will ask you forinformation that will include your name, return shipping address, daytimephone number, model and serial number, and a detailed description of yourproblem. A photocopy of your original purchase receipt is necessary todetermine warranty status and should also be included. Once we issue youan RMA, please write it in a highly visible area on the package. ZAPCO willnot accept any packages that do not have a valid RMA number clearlymarked on the outside of the package.Once you have a valid RMA number, send all repairs to:A.R.P.A. of America Corp.D.b.a. ZapcoAttn.: Service Department413 S. Riverside DriveSuite DModesto, California, 95354