Avidyne IFD540 - Page 312

IFD500 Series Pilot Guide
5-76 Aux Subsystem
Altitude/VS Units
This setting defines the units in which altitudes and vertical
speeds are to be displayed. Options are as follows:
 Ft/FPM – Feet and feet per minute
 M/MPM – Meters and meters per minute
 M/MPS – Meters and meters per second
The factory default setting is “Ft/FPM”.
Pressure Units
This setting defines the units in which atmospheric pressure is
displayed. Options are as follows:
 InHg – Inches of mercury
 Millibars – Millibars
 hPa – Hectopascals
The factory default setting is “InHg”.
Temperature Units
This setting defines the units in which temperatures are
displayed. Options are as follows:
 Fahrenheit
 Celsius
The factory default setting is “Fahrenheit”.
Fuel Units
This setting defines the units in which fuel quantities are
displayed. Options are as follows:
 Gallons
 Imperial Gallons
 Liters