4_ ContentscontentsPRODUCT INTRODUCTION5 5 Features5 What’s included6 At a Glance7 Cable Color Scheme7 Cable SelectionINSTALLATION AND EXTERNALCONNECTION88 Installation9 Precautions on installation10 External ConnectionINITIALIZATION11 11 Basic OperationsOUTPUT FORMAT12 12 WIEGAND OutputTROUBLESHOOTING13 13 TroubleshootingPRODUCT SPECIFICATIONS14 14 Product Specifications