AIRPLANE
OPERATIONS
MANUAL
NAVIGATION AND
COMMUNICATION
MARCH 30, 2001
2-18-30
Page
19
Code
01
ELECTRONIC HORIZONTAL SITUATION INDICATOR (EHSI)
1 - COMPASS CARD DISPLAY
May be displayed in the Full Compass or Arc formats, selected via
the Display Control Panel (see section 2-18-40).
− Color: white.
− Range: 360 degrees.
− Resolution: 5 degrees.
2 - HEADING LUBBER LINE (FULL COMPASS FORMAT)
− Color: White.
− Provides the current heading reading against the heading scale.
3 - CURRENT HEADING DIGITAL DISPLAY (ARC FORMAT)
− Color:
− Open box: white
− Digits: white
− Range: 0 to 360 degrees.
− Resolution: 1 degree.