The Unit Settings menu on your inReach allows you set the position-coordinate format, map datum coordinate system, and units of measement for your device.

NOTE: You should not change the position-coordinate format or the map datum coordinate system unless you are using a map or chart that specifies a different position format. 

To change your Unit Settings:

1. Select Settings and press 

2. Select Messages and press 

3. Select an option from the list and press 

Coordinates

Sets the format used for geographical position coordinates.

Datum

Sets the coordinate system used by the map.

Measures

Sets the unit of measure for distance.

Temperature

Sets the temperature units to Fahrenheit (°F) or Celsius (°C).

Pressure

Sets the pressure units.

Bearing

Sets the north reference used on the compass to true or magnetic north.