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Directory ( English ) Chapter I Introduction 1.1 Product Summary .........................................................................................2 1.2 Product Dimensions ......................................................................................2 1.3 Product Appearance .....................................................................................3 1.4 Product Specifications ..................................................................................5 1.5 Packaging and Accessories ..........................................................................5 Chapter II Operation Guidelines 2.1 Scanning Preparation ...................................................................................6 2.2 Work Mode ....................................................................................................8 2.2.1 Computer Mode (USB-PC) ...................................................................8 2.2.2 Presenter mode (HDMI;optional) ...........................................................8 Chapter III Frequently Asked Questions and Troubleshooting 3.1 PC Mode(USB) Problems .............................................................................9 3.2 Presenter mode (HDMI;optional) ................................................................10 Chapter IV Terms of Service 4.1 After Sale Service and Guarantee ..............................................................11 4.2 Contact Information ....................................................................................12