Honeywell SPZ-8000 - 27 Airspeed, Altitude Preselect, Cross-Side Data; Failure Flags

SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
Electronic Flight Instrument System (EFIS)
4-34
The following failure annunciators are shown in Figure 4--27:
D Indicated airspeed (IAS) failure
D Altitude preselect (ASEL) failure
D Cross--side data (XDATA) failure
D Vertical speed (optional) (VS) failure
D Glideslope (GS) failure
D Radio altitude (RA) failure
D Localizer (LOC) failure.
Airspeed, Altitude Preselect, Cross--Side Data, Glideslope,
Radio Altitude and Localizer Failure Flags
Figure 4--27
D Indicated Airspeed Failure -- Loss of valid IAS is indicated by the
following:
— removing the IAS scale and IAS index
— removing the IAS trend and limits
— removing the manual and FMS speed bugs and readouts
— displaying a boxed IAS flag.
D Altitude Preselect Failure -- Loss of valid ASEL is indicated by the
following:
— removing the ASEL digits
— displaying a boxed ASEL flag.
D Cross--Side Data Failure -- Loss of valid cross--side data is
indicated by displaying a boxed XDTA flag.