Garmin GPSMAP 740/740s Owner's Manual - Page 90

Appendix Restoring the Original Chartplotter Factory Settings Note: This procedure deletes all settings information you have entered. 1. From the Home screen, select Configure > System > System Information > Factory Settings. 2. Select Yes. NMEA 0183 and NMEA 2000 A GPSMAP 700 series chartplotter can accept data from both NMEA 0183-compliant devices and certain NMEA 2000 devices connected to an existing NMEA 2000 network on your boat. NMEA 0183 The NMEA 0183 data cable included with each GPSMAP 700 series chartplotter supports the NMEA 0183 standard, which is used to wire various NMEA 0183-compliant devices, such as VHF radios, NMEA instruments, autopilots, wind sensors, and heading sensors. To wire the GPSMAP 700 series chartplotter to optional NMEA 0183-compliant devices, see the GPSMAP 700 Series Installation Instructions. Approved NMEA 0183 Sentences GPAPB, GPBOD, GPBWC, GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPVTG, GPWPL, GPXTE, and Garmin proprietary sentences­PGRME, PGRMM, and PGRMZ. This chartplotter also includes support for the WPL sentence, DSC, and sonar NMEA 0183 input with support for the DPT (depth) or DBT, MTW (water temp), and VHW (water temp, speed, and heading) sentences. Configuring NMEA 0183 Output Sentences You can configure how the chartplotter sees NMEA 0183 output sentences. 1. From the Home screen, select Configure > Communications > NMEA 0183 Setup. 2. Select a setting: Route, System, Garmin, or Sounder. 3. Select one or more NMEA 0183 output sentences. 4. Repeat steps 2 and 3 to configure additional settings. Setting the Communication Format for Each NMEA 0183 Port You can configure the input/output format for each port to use when connecting your chartplotter to external NMEA devices, a computer, or other Garmin devices. 1. From the Home screen, select Configure > Communications > NMEA 0183 Setup. 2. Complete an action: • Select Serial Port 1. • Select Serial Port 2. 3. Select an input/output format: • Select Garmin Data Transfer to support the input or output of Garmin-proprietary data for interfacing with Garmin software. • Select NMEA Std. to support the input or output of standard NMEA 0183 data, DSC, and sonar NMEA input support for the DPT, MTW, and VHW sentences. • Select NMEA High Speed to support the input or output of standard 0183 data for most AIS receivers. Setting Decimal Precision for NMEA 0183 Output You can adjust the number of digits to the right of the decimal point for transmission of NMEA output. 1. From the Home screen, select Configure > Communications > NMEA 0183 Setup > Posn. Precision. 2. Select Two Digits, Three Digits, or Four Digits. 86 GPSMAP 700 Series Owner's Manual