SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
4-9
Electronic Flight Instrument System (EFIS)
EADI Displays and Annunciators
The following paragraphs describe the symbols displayed on the EADI
in Figure 4--5.
D Decision Height Display and Annunciator -- Decision height is
displayed in the lower right corner of the EADI. The range is from 20
to 990 feet in 10--foot increments. For radio altitude less than 2500
feet, the DH setting is displayed continuously. Above 2500 feet, the
DH setting is displayed for 5 seconds if a new setting is made by
turning the DH knob on the display controller. The DH display can
be removed by turning the SET knob fully counterclockwise. When
at or below decision height, DH is displayed in the upper left corner
of the attitude sphere. To prevent the DH annunciator from being
displayed on the ground, the display is inhibited, and then armed
after climbing through the DH setting.
NOTE: Both pilot’s and copilot’s DH settings are the same, as set
on the side selected by the flight guidance controller CPL
select switch.
D Flight Director Mode Annunciators -- Flight director vertical and
lateral modes are annunciated along the top of the EADI. Armed
vertical and lateral modes are annunciated in white, and captured
modes are annunciated in green. Certain flight director mode
transitions will cause the green mode annunciator to flash for five
seconds. These flight director transitions are given in Table 4--2.
Mode Transition
Flashing Annunciator
Lateral Modes
VOR arm to VOR capture VOR
Localizer (LOC) arm to LOC
capture
LOC
BC arm to BC capture BC
LNAV arm to LNAV track LNV
Flashing Annunciator for
Flight Director Mode Transitions
Table 4--2 (cont)
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