Thank you for purchasing an Icom RS-R8500 REMOTE CONTROL SOFTWARE. Please read instruction manual and help file thoroughly. USE antenna(s), such as a well-matched antenna and feedline. For radio communications, the antenna is of critical importance, along with sensitivity. Of course, the antenna line should be a coaxial cable. Be sure that the IC-R8500 CI-V baud rate is set to "AUTO" (default) in the initial set mode. SYSTEM REQUIREMENTS -IBM PC compatible computer -An RS-232C serial port -Microsoft® Windows® 95 or Microsoft® Windows® Version 3.1 with appropriate DOS -Intel i486DX4 processor or faster -At least 16 MB RAM -At least 10 MB of hard disk space -At least 640 x 480 pixel display SOFTWARE UPDATE INFROMATION Software update information will be available at the Icom America home page: http://www.icomamerica.com/