GPSNMEA协议VIP专享

iTrax02 Evaluation Kit NMEA Protocol 19.06.2002 1 ITRAX02 EVALUATION KIT NMEA PROTOCOL Rev 1.18 19.06.2002 Fastrax Oy iTrax02 Evaluation Kit NMEA protocol Fastrax Oy 2 19.06.2002 CONTENTS 1. REFERENCES:...................................................................................................................4 2. GENERAL ...........................................................................................................................5 2.1 General Message Format........................................................................................5 2.2 Command syntax.....................................................................................................5 2.3 Message syntax.......................................................................................................5 2.4 Message sequence..................................................................................................6 2.5 Serial port performance considerations...............................................................8 3. NMEA COMMANDS..........................................................................................................10 3.1 NMEA – Set NMEA Serial Communication Parameters.....................................11 3.2 START – Start Navigation.....................................................................................12 3.3 STOP – Stop Navigation .......................................................................................12 3.4 STORE – Store Current Parameter Set................................................................12 3.5 RESTORE – Restore Default Parameter Set.......................................................13 3.6 AUTOSTART – Set Autostart Mode.....................................................................13 3.7 FIXRATE – Set Fixrate....................................................................