viiTable of Contents Correcting Keystone Distortion ................................................................................... 29Auto Keystone Correction ..................................................................................... 29Manual Keystone Correction................................................................................. 29 Optimizing an RGB Image Automatically .................................................................... 31Adjusting the Image Using Auto Adjust ................................................................. 31 Adjusting Volume Up & Down ..................................................................................... 31 Using the Laser Pointer .............................................................................................. 32Setting the function switch .................................................................................... 32 Turning off the Projector ............................................................................................. 33After Use ..................................................................................................................... 334. Convenient Features .................................................................................... 34 Turning Off the Image and Sound .............................................................................. 34 Freezing a Picture ...................................................................................................... 34 Enlarging and Moving a Picture .................................................................................. 34 Changing Lamp Mode ................................................................................................ 34 Getting Integrated Help .............................................................................................. 35 Using a USB Mouse ................................................................................................... 35 Using Remote Mouse Receiver .................................................................................. 36 Correcting Horizontal and Vertical Keystone Distortion (Cornerstone) ....................... 38Making Freehand Drawings on a Projected Image (ChalkBoard) .............................. 41Preventing Unauthorized Use of the Projector ........................................................... 42Using a USB Memory Device ..................................................................................... 47Operation Using an HTTP Browser ............................................................................ 48Using the Projector to Operate a Computer Connected on a Network(Desktop Control Utility 1.0) .................................................................................. 515. Using the Viewer ............................................................................................ 56 Making the Most out of the Viewer Function .............................................................. 56 Operating the Viewer Function from the Projector (playback) .................................... 57Projecting slides (Viewer) ..................................................................................... 57Viewer Window Elements ..................................................................................... 58Setting Option for Viewer ...................................................................................... 59Exiting Viewer ....................................................................................................... 60Viewing Digital Images .......................................................................................... 60 Changing Background Logo ....................................................................................... 616. Using On-Screen Menu ............................................................................... 62 Using the Menus ......................................................................................................... 62 Menu tree ................................................................................................................... 63 Menu Elements ........................................................................................................... 65 Menu Descriptions & Functions [Source] ................................................................... 66Computer 1 and 2 ................................................................................................. 66Computer 3 (LT380 only) ...................................................................................... 66Component ........................................................................................................... 66