http://nwcom.info/Soft/GPS/iGo/iGO8/Faq/readme%20(173).txt
http://nwcom.info/Soft/GPS/iGo/iGO8/Faq/readme%20(174).txt
http://nwcom.info/Soft/GPS/iGo/iGO8/Faq/readme%20(175).txt