Telegram Formats; Nmea Telegrams - Simrad ES70 - INSTALLATION REV A Installation Manual

Simrad ES70
This chapter describes the external NMEA and proprietary telegram interfaces supported
by the ES70 Fish finding echo sounder. The chapter includes information about the
telegram formats used to communicate with external peripherals and other computer
systems.
Topics
• NMEA telegrams on page 160
• Proprietary telegrams and formats on page 167
• Proprietary third party telegrams and formats on page 174

NMEA telegrams

The following NMEA telegrams are supported by the ES70 Fish finding echo sounder.
Topics
• About the NMEA telegram format on page 161
• DBS Depth below surface on page 161
• DBT Depth below transducer on page 162
• DPT Depth on page 162
GGA Global positioning system fix data on page 163
•
• GLL Geographical position latitude/longitude on page 163
• HDM Heading, magnetic on page 164
• HDG Heading, deviation and variation on page 164
• HDT Heading, true on page 165
• RMC Recommended minimum specific GNSS data on page 165
• VHW Water speed and heading on page 165
• VLW Dual ground/water distance on page 166
• VTG Course over ground & ground speed on page 166
160

Telegram formats

343522/A