RYK-9122 User Manual Brandname: Meicheng Category: DVR Total Pages: 21 Table of contents Contents21SafetyPrecautions32Features43PackingList541FrontView642SideView75BasicConfiguration86Operation963RecordMode1064PlaybackMode1165PcPlayback1266SdCardMaintenance137MenuSetup1473MotionDetection1575SdCardOptions1777FactoryDefault188TroubleShooting199Specification20