Configuring the Chartplotter

8.If you selected Near or Far in step 7, review the placement of the Auto Guidance line. Determine whether the line safely avoids known obstacles, and whether the turns enable efficient travel.

9.Complete an action:

•If the placement of the Auto Guidance line is satisfactory, select MENU > Navigation Options > Stop Navigation. Proceed to step 11.

•If the Auto Guidance line is too close to known obstacles, from the Home screen, select Configure > Preferences

>Navigation > Auto Guidance > Shoreline Distance > Farthest.

•If the turns in the Auto Guidance line are too wide, from the Home screen, select Configure > Preferences > Navigation

>Auto Guidance > Shoreline Distance > Nearest.

10.If you selected Nearest or Farthest in step 9, review the placement of the Auto Guidance line. Determine whether the line safely avoids known obstacles, and whether the turns enable efficient travel.

11.Repeat steps 1-10 at least once more, using a different destination each time, until you are familiar with the functionality of the Shoreline Distance setting.

Configuring Communications Settings

To change the communications settings from the Home screen, select Configure > Communications.

Serial Port 1—configures the input/output format for serial port 1 to use when connecting your chartplotter to external NMEA devices, a computer, or other Garmin devices.

•Garmin Data Transfer—supports the input or output of Garmin-proprietary data for communicating with Garmin software.

•NMEA Standard—supports the input or output of standard NMEA 0183 data, DSC, and sonar NMEA input support for the DPT, MTW, and VHW sentences.

•NMEA High Speed—supports the input or output of standard 0183 data for most AIS receivers.

Serial Port 2 (if supported)—configures the input/output format for serial port 2 to use when connecting your chartplotter to external NMEA devices, a computer, or other Garmin devices.

NMEA 0183 Setup—enable or disable NMEA 0183 output sentences for sounder, route, system, and Garmin NMEA settings.

To enable or disable NMEA 0183 output sentences:

1.From the Home screen, select Configure > Communications > NMEA 0183 Setup.

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GPSMAP 400/500 Series Owner’s Manual