BOMBARDIER Challenger 601-3A CL-600-2B16 Pilot Training Manual page 455

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
WIND
VECTOR
DISPLAY
DISTANCE
DISPLAY
WAYPOINT/DME
IDENTIFIER
BEARING
POINTER NO.1
NAVIGATION
SOURCE
ANNUNCIATOR
COURSE
PRESELECT
ANNUNCIATOR
(FMS ONLY)
BEARING
POINTER
SOURCE
ANNUNCIATOR
COURSE
DEVIATION BAR
HEADING
SELECT
DISPLAY
HEADING FORE
SELECT LUBBER
BUG LINE ANNUNCIATOR
FMS 35
180
H
SALON
F L
M O
S C
1 1
F
HDG
340
RECIPROCAL AIRCRAFT
COURSE SYMBOL
PRESELECT
POINTER
Figure 16-40. EHSI Full Compass Mode
FOR TRAINING PURPOSES ONLY
FlightSafety Canada
CL-600-2B16 PILOT TRAINING MANUAL
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.
HEADING
SOURCE FMS MESSAGE
ANNUNCIATOR
MAG MSG DTK
T
350
N
TTG
34.5
AFT RECIPROCAL
LUBBER COURSE
LINE POINTER
L t é e
L t d .
TARGET ALERT
ANNUNCIATOR
HEADING DIAL
COURSE/
DESIRED
TRACK
DISPLAY
FMS DRIFT BUG
COURSE
SELECT/
DESIRED
TRACK
POINTER
COURSE
PRESELECT
POINTER
(FMS ONLY)
GLIDESLOPE
DEVIATION
POINTER
TO-FROM
POINTER
COURSE
PRESELECT
DEVIATION BAR
(FMS ONLY)
TIME-TO-GO
DISPLAY
CL 601-3A/R 16-43