EHSI
The electronic horizontal situation indicator
(EHSI) displays the primary course, magnetic
heading, and bearing information in full-
compass or any one of three partial compass
modes. The EHSI consists of the following:
• Compass modes
• Reversion
• Comparison monitoring
• Failure warning annunciations
• Composite display
Compass Modes
The EHSI operates within a variety of modes
to display specific information. The EHSI
may display a full compass, an arc, or a weather
radar and map mode.
Full Compass Mode
In this mode, the EHSI displays all 360° in-
formation. The display controller FULL/ARC
button selects the full compass mode. Figure
16-40 displays the normal annunciations in the
full compass mode.
CL 601-3A/R
16-43
FOR TRAINING PURPOSES ONLY
FlightSafety Canada
L t é e
L t d .
CL-600-2B16 PILOT TRAINING MANUAL
MAG
MSG
FMS
180
SALON
35
DTK
350
TTG
34.5
HDG
340
F
M
S
1
L
O
C
1
F
H
T
N
3
6
E
12
15
S
21
24
W
30
33
COURSE
PRESELECT
ANNUNCIATOR
(FMS ONLY)
BEARING
POINTER
SOURCE
ANNUNCIATOR
NAVIGATION
SOURCE
ANNUNCIATOR
BEARING
POINTER NO.1
WAYPOINT/DME
IDENTIFIER
WIND
VECTOR
DISPLAY
DISTANCE
DISPLAY
COURSE
DEVIATION BAR
FORE
LUBBER
LINE
HEADING
SOURCE
ANNUNCIATOR
FMS MESSAGE
ANNUNCIATOR
HEADING
SELECT
BUG
FMS DRIFT BUG
TIME-TO-GO
DISPLAY
AIRCRAFT
SYMBOL
HEADING DIAL
TO-FROM
POINTER
GLIDESLOPE
DEVIATION
POINTER
COURSE
PRESELECT
DEVIATION BAR
(FMS ONLY)
COURSE
PRESELECT
POINTER
(FMS ONLY)
TARGET ALERT
ANNUNCIATOR
COURSE
SELECT/
DESIRED
TRACK
POINTER
COURSE/
DESIRED
TRACK
DISPLAY
RECIPROCAL
COURSE
POINTER
AFT
LUBBER
LINE
RECIPROCAL
COURSE
PRESELECT
POINTER
HEADING
SELECT
DISPLAY
Figure 16-40. EHSI Full Compass Mode