20 Using Your Projector1 Power Turns the projector on and off. For moreinformation, see Turning Your Projector On onpage 13 and Turning Your Projector Off onpage 13.2 Enter Press to confirm the selection.3 Right Press to adjust the OSD setting.4 Down Press to select OSD items.5 Aspect Ratio Press to change aspect ratio of a displayed image.6 Page up Press to move to previous page.7 Mute Press to mute or un-mute the projector speaker.8 Page down Press to move to next page.9 Video mode The Dell M409WX Micro-projector has presetconfigurations that are optimized for displayingdata (PC Graphics) or video (movies, games,etc.). Press the Video Mode button to togglebetween PC mode, Movie mode, Game Mode,sRGB, or CUSTOM mode (for user to setup andsave preferred settings). Pressing the Video Modebutton once will show the current display mode.Pressing the Video Mode button again will switchbetween modes.10 Blank screen Press to hide/unhide the image.11 Up Press to select OSD items.12 Left Press to adjust the OSD setting.13 Menu Press to activate the OSD.14 Volume up Press to increase the volume.15 Laser Point the remote control at the screen, press andhold the laser button to activate the laser light.16 Volume down Press to decrease the volume.17 Keystone adjustment Press to adjust image distortion caused by tiltingthe projector. (+40/-35 degrees)18 Source Press to switch between Analog RGB, Composite,Component (YPbPr, via VGA), HDMI, and S-video sources.