Avidyne IFD540 Pilot's Manual page 148

User Option Item Title
Altitude/Vert. Speed Units
Pressure Units
Temperature Units
Fuel Units
4-40 AUX Pages
Description
displayed in kilometers and
speed units will be displayed in
kilometers/hour;
sm/mph – distance units will be
displayed in statute miles and
speed units will be displayed in
miles/hour.
ft/fpm* - altitude units will be
displayed in feet and vertical
speed units will be displayed in
feet/min;
m/mpm – altitude units will be
displayed in meters and
vertical speed units will be
displayed in meters/min;
m/mps – altitude units will be
displayed in meters and
vertical speed units will be
displayed in meters/sec.
InHg* - pressure units will be
displayed in Inches Mercury;
mbar – pressure units will be
displayed in millibars;
hPa – pressure units will be
displayed in hectopascals.
Fahrenheit* - temperature units
will be displayed in degrees F;
Celsius – temperature units will
be displayed in degrees C.
Gal* - fuel units will be