Table of contentsTroubleshooting GuideRequirements Before Contacting SamsungCustomer Service Centre 128Testing the Product 128Checking the Resolution and Frequency 128Check the followings. 129Q & A 135SpecificationsGeneral 136Preset Timing Modes 138AppendixResponsibility for the Pay Service (Cost toCustomers) 143Not a product defect 143A Product damage caused by customer'sfault 143Others 143Prevention of Afterimage Burn-in 144What is afterimage burn-in? 144Recommended prevention practices 144Licence 145Terminology 1465