Page | 30
SkyView
HDX System
General Maintenance Manual, Revision F
5.6
Horizontal Situation Indicator
The Horizontal Situation Indicator (HSI) is a compass-style indicator (see
) that appears
on the bottom center of the PFD (see
). The HSI shows the pilot the airpl
ane’s course,
heading (HDG), or track (TRK) when using Autopilot Track Mode. The pilot can set the HDG/TRK
target value and indicator bug using the HDG/TRK knob. The bug is the Cyan colored indicator
that appears on inside (graphically) of the Compass Rose indicator. Data from the ADAHRS
module, Remote Magnetometer, GPS Antenna/Receiver, and NAV devices are used to present
the HSI on a SkyView HDX Display. The HSI includes the following sub-indicators, symbols,
pointers, and reference scales:
•
NAV Pointer
•
Compass Rose
•
Airplane Symbol
•
Horizontal Deviation Scale
•
Selected Heading Indicator
•
Course Indicator
•
Distance to Station
•
Vertical Deviation Indicator
•
Horizontal Deviation Indicator
•
Vertical Deviation Scale
•
Selected Heading Bug
•
Current Heading Indicator
Figure 17: Horizontal Situation Indicator (HSI)