User ManualTable of ContentsIntroducing LR41Features1Package Contents3LR4 Components4Specifications5Laser Pointer Icons5Preparing for Use6Installing the Battery6Removing the Wireless USB Receiver7Installing the Wireless USB Receiver7LR4 Menu Display8Introducing the Display8On-Screen Display (OSD) Modes9KEYBOARD (K/B)9MOUSE10MEDIA Player10TIMER11Additional Information13Operating the Laser13Timer Quick Settings13OSD Backlight13Vibrate Alert14Frequency Search14Size: 305 KBPages: 18Language: EnglishOpen manual