66AppendixNo image – Check the connection between your computer or video equipmentand the projector. See pages 14-16.– See if the input signal is correctly output from your computer. Somelaptop computers may need to change the setting for monitor outputwhen connecting to a projector. See your computer’s instructionmanual for the setting.– It takes about 15 seconds to display an image after turning on theprojector. See page 18.– Check the Input signal, color system, video system or computersystem mode.– Make sure the temperature is not out of the specified OperatingTemperature (41˚F–95˚F [5˚C–35˚C]).– When No Show is operating, the image can not be displayed. Pressthe NO SHOW button or any other button on the remote control.No sound – Check the audio cable connection from audio input source.– Adjust the audio source.– Press the Volume + button. See page 24.– Press the Mute button. See page 24.– When the AUDIO OUT is plugged-in, the projector's built-in speakeris not available.– Is the image projected? You will hear the sound only when the imageis projected.The color is strange – Check the Input signal, color system, video system or computersystem mode.– Make sure the Blackboard is not selected on Image selectMenu. See pages 33, 40.Some displays are not seen – Check the Display function. See page 46.during the operationAuto PC adjustment function – Check the Input signal. Auto PC function can not work whendoes not work 480p, 575p, 720p, 480i, 575i, 1035i or 1080i is selected(See page 30), or when the digital signal is input into HDMI terminal.See page 30.The setting does not remain – Make sure you selected Store after adjusting setting. Some settingsafter turning off power can not be stored if not registered with "Store". See pages 35,42.Power management does not – Power management function can not work while Freeze or Nowork Show is running. See page 51.Capture function does not work – Check the connection and the input signal to see if there is signal.Auto setup does not work properly – Make sure Off is not selected at any function of Auto setup. See page45.