Version 15.0 AF-5000 Series Pilot Guide 46
EFIS Navigation (HSI)
The EFIS can display an HSI when connected to a Nav radio, GPS, or GPS Navigator. The system has two main
navigation needles; Course and Bearing. The navigation source can be individually selected for each. If an separate
Nav Radio is connected, a second bearing needle can be displayed when the standby Nav frequency is enabled. A
MAGENTA needle is always GPS and a GREEN needle is always VOR/LOC.
The source label will indicate the radio type:
Label Radio Type
GPSNAV1/GPSNAV2 GPS/NAV (IFD540, IFD440, GTN-650/750)
NAV1, NAV2 GNC-255, SL-30 NAV/COM
GPS1, GPS2 GPS Receiver (RS-232 Connected GPS, AF-GPS)
The following radios are supported:
GPS CDI
GPS CDI, LPV, LNAV, LNAV/VNAV, VOR, ILS