Primary Flight Display (Pfd); Pfd Functional Divisions; Mode Annunciations - Honeywell PRIMUS 1000 Pilot's Manual

DISPLAYS

Primary Flight Display (PFD)

The PFD is an integrated display of attitude, navigation, and air data
flight information. The PFD is divided into four functional groups shown
in figure 4--19 and described below.
AIRSPEED
DISPLAY
Mode Annunciations -- The PFD displays mode annunciations
D
from the flight guidance system (FGS), HSI source selection, and
comparison monitor functions.
ADI (Attitude Director Indicator) Display -- The ADI symbols use
D
a truncated sphere format to display standard attitude information.
The attitude display receives its inputs from the AHRS. When either
the pitch or roll data becomes invalid; all scale markings are
removed, the attitude sphere turns cyan, and a red annunciation of
ATT FAIL is put at the top center portion of the sphere.
HSI (Horizontal Situation Indicator) Display -- The HSI heading
D
display receives its inputs from the AHRS. HSI displays include full
compass, arc, weather radar and navigation information.
A28--1146--112--00
PRIMUSr1000 Integrated Avionics System
MODE
ANNUNCIATIONS
ADI
DISPLAY
HSI
DISPLAY

PFD Functional Divisions

Figure 4--19
Electronic Flight Instrument System (EFIS)
ALTITUDE
DISPLAY
VERTICAL
SPEED
DISPLAY
AD--50912@
4-25