ENGLISH - 11 ImportantInformationPreparationGetting StartedBasic OperationSettingsMaintenanceAppendixAudio ........................................................ 41Mute ............................................................................. 41Volume ......................................................................... 41In Standby Mode (Audio).............................................. 41Options ..................................................... 42Auto Source.................................................................. 42Input ............................................................................. 42Auto Power Off (Min) .................................................... 42Lamp Settings .............................................................. 42High Altitude ................................................................. 43Information ................................................................... 43MaintenanceAbout indicator status ............................ 44If an indicator turns on .................................................. 44Maintenance/replacement....................... 45Before cleaning/replacing the unit ................................ 45Maintenance ................................................................. 45Replacing the unit......................................................... 46Troubleshooting ...................................... 48AppendicesAppendix .................................................. 51Serial terminal .............................................................. 51Other terminals ............................................................. 54List of compatible signals ............................................. 55Specifications .......................................... 57Dimensions................................................................... 59Ceiling mount bracket safeguards......... 60Index ......................................................... 61Contents