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Select > Profiles > Rename Profile. sensors are connected to the device. The GMI 20 allows you to view data provided by sensors Select to scroll through the letters. connected to the device on a NMEA 2000 ® or NMEA ® 0183 Select Select to select a letter.
Repeat steps 3 and 4 to set additional gauge limits. Units: Sets the units of measure. If applicable, select Yes to share the gauge limit settings across all Garmin ® devices on the network. Heading: Sets the reference used in calculating heading information.
> Setup > System > Factory Defaults. Each NMEA 2000 certified sensor provides unique information to the NMEA 2000 certified display device, such as the GMI 20. Select Yes. The data you can view on your display depends on the sensors Display Settings you have installed and configured.