Units Settings
From the home page, press OK to open the main menu. Select Settings > System > Units.
Position Format: Sets the format used for geographical position coordinates and the coordinate system used by the map (Position Format Settings).
Speed/Distance: Sets the unit of measure for distance.
Wind Speed: Sets the unit of measure for wind speed.
Temperature: Sets the temperature unit of measure to Fahrenheit (°F) or Celsius (°C).
Pressure: Sets the unit of measure for pressure.
Bearing: Sets the north reference used on the compass to true or magnetic north.