In an analog receiving section of a receiving device, the level of a received signal is adjusted by a first correction factor corresponding to a first digital level correction signal. A region inside the frame is filled with a sealing resin, and at least one groove is provided in an upper corner portion of the frame on the semiconductor element side of the frame. UGA does not require the use of real-mode assembly language, direct hardware register, or frame buffer access to program, thus providing advantages over conventional systems. A first stylus link may be movably connected to a second stylus link at the pointer mount.