Garmin GPS 18x Series Technical Specifications

Also see for GPS 18x LVC: Declaration of conformity

Contents

Garmin GPS 18x Series Technical Specifications Manual pdf 3 page image

190-00879-08 GPS 18x Technical Specifications Rev. BPage iiTABLE OF CONTENTS1 Introduction..............................................................................................................................11.1 Cautions...........................................................................................................................................................11.2 Limited Warranty ............................................................................................................................................21.3 Overview .........................................................................................................................................................31.4 Features ...........................................................................................................................................................31.5 GPS 18x Series................................................................................................................................................41.5.1 GPS 18x USB.................................................................................................................................................... 41.5.2 GPS 18x PC ...................................................................................................................................................... 41.5.3 GPS 18x LVC, GPS 18x LVC-5m, and GPS 18x-5Hz ..................................................................................... 41.6 Technical Specifications..................................................................................................................................51.6.1 Physical Characteristics..................................................................................................................................... 51.6.1.1 Size.................................................................................................................................................... 51.6.1.2 Weight ............................................................................................................................................... 51.6.1.3 Color.................................................................................................................................................. 51.6.1.4 Case Material..................................................................................................................................... 51.6.1.5 Cable Length ..................................................................................................................................... 51.6.2 Electrical Characteristics................................................................................................................................... 51.6.2.1 Input Voltage..................................................................................................................................... 51.6.2.2 Input Current ..................................................................................................................................... 51.6.2.3 CMOS Serial Output Levels.............................................................................................................. 51.6.2.4 GPS Receiver Sensitivity .................................................................................................................. 51.6.2.5 Environmental Characteristics........................................................................................................... 61.6.3 GPS Performance .............................................................................................................................................. 61.6.3.1 Receiver............................................................................................................................................. 61.6.3.2 Acquisition Times ............................................................................................................................. 61.6.3.3 Update Rate ....................................................................................................................................... 61.6.3.4 Accuracy ........................................................................................................................................... 61.6.4 Interfaces........................................................................................................................................................... 61.6.4.1 GPS 18x Electrical Characteristics.................................................................................................... 61.6.4.2 Garmin Interface and Garmin USB Protocol..................................................................................... 61.6.4.3 GPS 18x PC, GPS 18x LVC, & GPS 18x-5Hz Protocols.................................................................. 71.6.4.4 Measurement Pulse Output (GPS 18x LVC & GPS 18x-5Hz only).................................................. 72 GPSx 18x LVC & GPS 18x -5Hz Wiring and Pinouts .........................................................82.1 GPS 18x LVC & GPS 18x -5Hz Pinout..........................................................................................................82.2 GPS 18x LVC & GPS 18x -5Hz Wiring Diagrams.........................................................................................83 Mechanical Characteristics & Mounting.............................................................................104 GPS 18x PC, GPS 18x LVC, & GPS 18x-5Hz Software Interface ....................................124.1 Received NMEA 0183 Sentences .................................................................................................................124.1.1 Almanac Information (ALM).......................................................................................................................... 124.1.2 Sensor Initialization Information (PGRMI) .................................................................................................... 134.1.3 Sensor Configuration Information (PGRMC) ................................................................................................. 134.1.4 Additional Sensor Configuration Information (PGRMC1) ............................................................................. 144.1.5 Output Sentence Enable/Disable (PGRMO) ................................................................................................... 144.2 Transmitted NMEA 0183 Sentences .............................................................................................................154.2.1 Sentence Transmission Rate............................................................................................................................ 154.2.2 Transmitted Time ............................................................................................................................................ 164.2.3 Global Positioning System Almanac Data (ALM) .......................................................................................... 164.2.4 Global Positioning System Fix Data (GGA) ................................................................................................... 174.2.5 GPS DOP and Active Satellites (GSA) ........................................................................................................... 174.2.6 GPS Satellites in View (GSV)......................................................................................................................... 174.2.7 Recommended Minimum Specific GPS/TRANSIT Data (RMC) ................................................................... 18