Garmin GPS 18 User Manuals

Table of Contents

• INTRODUCTION

  7
  • CAUTIONS

    7
  • LIMITED WARRANTY

    8
  • FEATURES

    9
  • GPS 18 SERIES

    10
    • GPS 18 USB

      10
    • GPS 18 PC

      10
    • GPS 18 LVC, GPS 18 LVC-5m, and GPS 18-5Hz

      10
  • TECHNICAL SPECIFICATIONS

    11
    • Physical Characteristics

      11
      • Size

        11
      • Weight

        11
      • Color

        11
      • Case Material

        11
      • Cable Length

        11
    • Electrical Characteristics

      11
      • Input Voltage

        11
      • Input Current

        11
      • CMOS Serial Output Levels

        11
      • GPS Receiver Sensitivity

        12
    • Environmental Characteristics

      12
    • GPS Performance

      12
      • Receiver

        12
      • Acquisition Times

        12
      • Update Rate

        12
      • Accuracy

        12
    • Interfaces

      13
      • GPS 18 Electrical Characteristics

        13
      • Garmin Interface and Garmin USB Protocol

        13
      • GPS 18 PC, GPS 18 LVC, & GPS 18-5Hz Protocols

        13
      • Measurement Pulse Output (GPS 18 LVC & GPS 18-5Hz only)

        13
• GPS 18 LVC & GPS 18-5Hz WIRING AND PINOUTS

  14
  • GPS 18 LVC & GPS 18-5Hz PINOUT

    14
  • GPS 18 LVC & GPS 18-5Hz WIRING DIAGRAMS

    14
• MECHANICAL CHARACTERISTICS & MOUNTING

  16
• GPS 18 PC, GPS 18 LVC, & GPS 18-5Hz SOFTWARE INTERFACE

  18
  • RECEIVED NMEA 0183 SENTENCES

    18
    • Almanac Information (ALM)

      18
    • Sensor Initialization Information (PGRMI)

      19
    • Sensor Configuration Information (PGRMC)

      19
    • Additional Sensor Configuration Information (PGRMC1)

      20
    • Output Sentence Enable/Disable (PGRMO)

      20
  • TRANSMITTED NMEA 0183 SENTENCES

    21
    • Sentence Transmission Rate

      21
    • Transmitted Time

      22
    • Global Positioning System Almanac Data (ALM)

      22
    • Global Positioning System Fix Data (GGA)

      23
    • GPS DOP and Active Satellites (GSA)

      23
    • GPS Satellites in View (GSV)

      23
    • Recommended Minimum Specific GPS/TRANSIT Data (RMC)

      24
    • Track Made Good and Ground Speed (VTG)

      24
    • Geographic Position (GLL)

      24
    • Estimated Error Information (PGRME)

      25
    • GPS Fix Data Sentence (PGRMF)

      25
    • Sensor Status Information (PGRMT)

      25
    • 3D Velocity Information (PGRMV)

      25
    • DGPS Beacon Information (PGRMB)

      26
  • BAUD RATE SELECTION

    26
  • MEASUREMENT PULSE OUTPUT (GPS 18 LVC & 18-5Hz ONLY)

    26
    • One-Pulse-Per-Second (PPS) Output (GPS 18 LVC Only)

      26
    • Five-Pulse-Per-Second Output (GPS 18-5Hz Only)

      26
• APPENDIX A: EARTH DATUM LIST

  27
• APPENDIX B: BINARY PHASE OUTPUT FORMAT

  30
• APPENDIX C: CHANGING THE BAUD RATE IN GARMIN MODE

  35
• APPENDIX D: GPS 18 PC/ LVC/18-5Hz & WINDOWS SERIAL MOUSE ISSUE

  36
• APPENDIX E: SENSOR CONFIGURATION SOFTWARE

  38
  • 38
    • Downloading the Sensor Configuration Software

      38
    • Selecting a Model

      38
    • Connecting to the Sensor

      38
    • File Menu

      39
    • Comm Menu

      39
    • Config Menu

      39
    • View Menu

      40
    • Help Menu

      40