190-02207-02 Rev. 1 GPS 175/GNX 375 Pilot’s Guide 2-29Get Started2.19 Unit SelectionsSPECIFY UNIT TYPE1. Review the current unit selections.2. Tap the applicable parameter key.3. Select a unit type.PARAMETER SETTINGSDistance/Speed • Nautical Miles (nm/kt)• Statute Miles (sm/mph)Temperature • Celsius (ºC)• Fahrenheit (ºF)NAV Angle• Magnetic (º)• True (ºT)• User (ºU)MagneticVariation• Specify number of degrees for east or west (ºE, ºW)• Available only when “User (ºU)” is the activeNAV angleCustomize the display unit settings. Tapping a parameter keyopens a menu of the available unit types.