PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
Electronic Flight Instrument System (EFIS)
4-22
Guidance Controller Course and Heading Controls
The course pointer and heading bug are controlled using the guidance
controller course (CRS) and heading (HDG) knobs, shown in figure
4--18. The heading knob controls the heading bug on both sides of the
cockpit(HSI/MFD).Theonsidecourseknobcontrolstheonsidecourse
pointer when the NAV (VOR/LOC) is the selected navigation source.
Additional information on the guidance controller is given in Section 6,
Flight Guidance System (FGS).
AD--50911@
Guidance Controller
Figure 4--18
When the center button in the HDG or CRS knob is pushed and
released, the EFIS performs a synchronization as described below.
D HDG Sync -- The heading bug centers under the compass lubber
line.
D CRS Sync -- The CRS sync only occurs when VOR or VOR/DME
istheselectedsource.Whenthecenterbuttonispushed,thecourse
pointer points to the VOR station with the CDI centered.
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