SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
Electronic Flight Instrument System (EFIS)
4-12
D Radio Altitude Display -- The radio altitude is displayed in green
in the lower right--hand corner of the EADI and indicates radio
altitude from 0 to 2500 feet. The radio altitude display resolution is
described in Table 4--4.
Radio Altitude Range
Resolution
0 to 100 feet 5 feet
100 to 1500 feet 10 feet
Greater than 1500 feet 50 feet
Radio Altitude Display Resolution
Table 4- -4
The display is blanked for altitudes greater than 2500 feet. When the
radio altitude data is invalid, the display is removed and a boxed RA
flag is displayed.
D Localizer Pointer, Localizer Scale, and Rising Runway -- T h e
localizer pointer moves laterally along the localizer scale to display
localizer deviation whenever an ILS frequency is tuned. The pointer
is green if it is related to the on--side navigation source and it is
yellow if the cross--side navigation source is used.
When radio altitude is 200 feet, the localizer pointer changes to a
rising runway that starts to expand linearly with radio altitude. It
reaches maximum size at touchdown. If the radio altitude is invalid,
the localizer deviation is still displayed, but the runway does not
expand.
D Inclinometer -- The inclinometer gives the pilot a conventional
display of aircraft slip or skid, and is used as an aid in coordinated
flight maneuvers.
D Pitch and Roll Command Cue -- The command cue displays
computed steering commands to capture and maintain a desired
flightpath. The pilot must fly the symbolic aircraft to the cue. The cue
is removed if an invalid condition occurs in the flight director pitch or
roll channel.
D IAS/Mach Reference Bug and Display -- T h e cyan IAS/Mach
reference bug moves along the airspeed scale and is controlled with
the IAS/MACH knob on the pilot’s instrument remote controller. The
value of the bug is digitally displayed at the bottom of the scale.
Resolution is 1 knot for IAS and 0.01 for Mach. IAS or Mach
reference can be alternately displayed by pushing the IAS/MACH
PUSH CHG button on the instrument remote controller. The
power--up value for selected speed is 80 kts IAS.
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