Sg (Symbol Generator) Button; Ahrs Button; Data Acquisition Unit (Dau) Reversionary Panel; Dau Reversionary Panel - Honeywell PRIMUS 1000 Pilot's Manual

PRIMUSr1000 Integrated Avionics System
SG (Symbol Generator) Button -- This button selects between
D
NORM or cross--side SG to supply the on--side displays.
NOTE: When the cross side SG is selected, the PFD and MFD on
both sides of the cockpit are identical since they are both
driven by the cross--side SG.
AHRS Button -- This button selects between NORM or cross--side
D
AHRS to supply the on--side PFD attitude and heading.
NOTES: 1. When an AHRS fails and, if reversionary AHRS is
2. It is possible for both pilots to select AHRS
3. Selecting reversionary AHRS, disengages all flight

Data Acquisition Unit (DAU) Reversionary Panel

The DAU reversionary panel, shown in figure 3--4, selects between
NORM, and reversionary for each DAU to supply data to the SGs. In
NORM, each DAU uses its A channel data for display. In reversion,
each DAU uses its respective B channel for display.

EDS Dimming Panel

The EDS dimming controls are located on the glareshield dimming
panel. They are used to set the dimming reference for DU light sensor
operation.
Electronic Display System (EDS)
3-8
selected, the AP is not available.
reversionary. In that case, each pilot receives
AHRS information from the cross--side AHRS.
director modes and the AP. If both AHRSs are
working normally, the modes (and AP) can be
re--engaged.

DAU Reversionary Panel

Figure 3--4
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