Select Settings > Communications.

Serial Port 1

Sets the input/output format for port 1 to use when connecting the chartplotter to external NMEA^® devices, computers, or other Garmin^® devices.

Serial Port 2

Sets the input/output format for port 2 to use when connecting the chartplotter to external NMEA devices, computers, or other Garmin devices.

NMEA 0183 Setup

Sets the NMEA 0183 sentences the chartplotter transmits, how many digits to the right of the decimal point are transmitted in a NMEA output, and how waypoints are identified (NMEA 0183 Settings).

NMEA 2000 Setup

Allows you to view and label the devices on the NMEA 2000^® network ( NMEA 2000 Settings).

Marine Network

Allows you to view the devices with which you are sharing maps, sonar, or radar. Not available on all chartplotter models.

NOTE: You can only view networked data on a model that supports that data. For example, you cannot view networked radar on model that does not support radar.

Wireless Devices

Allows you set up wireless devices (Communication with Wireless Devices ). Not available on all chartplotter models.

Wi-Fi® Network

Allows you set up the Wi‑Fi^® network (Communication with Wireless Devices ).