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CDI page with CTS and ETA displayed.
The CDI page is the primary NAV page used for enroute navigation. It displays
information such as the active waypoint, ground speed, course deviation indicator
(CDI), steering information, distance, etc.
To display the CDI page:
1. Press
N
and rotate
O
until the CDI page is displayed:
The following distance functions may be displayed in the distance field:
• dis – Distance from present position to the ‘active to’ waypoint.
• str – Steer direction and distance. ‘L’ or ‘R’ to indicate which direction
to steer, and the distance to indicate how far you are off course.
The following steering functions may be displayed in the steer field:
• trk – Track, or the direction of movement relative to the ground.
• brg – Bearing, or the direction to the destination waypoint.
• cts – Course to steer to reduce cross track error and stay on course.
• dtk – Desired track, or the course between the ‘active from’ and the
‘active to’ waypoint.
• obs – OBS, or course select mode allows the pilot to set the inbound
course to the ‘active to’ waypoint. (See page 13 to set the OBS.)
• trn – Off course error. ‘L’ or ‘R’ to indicate which direction to turn,
and the degrees indicate the angle you are off course.
12
REFERENCE
CDI Page
Section
1
CDI page with TRN and TRK displayed.
Active waypoint
Ground Speed
Steer
field
Distance
field
Messages or CDI ETE, ETA, Track, or VNAV
The CDI page will display the CDI in the lower left hand
corner of the screen if the unit has obtained a GPS position
AND there is an active waypoint. If the unit has not obtained a
position, but you have already performed a direct-to, it will dis-
play ‘No gps posn’. If a position has been calculated, but there
is not an active waypoint, the unit will display ‘No actv wpt’.
The CDI itself may be configured to your preference. The default is
for the CDI to deflect full scale at 5.0 nm (or mi, km) of cross
track error. See page 54 to set the CDI sensitivity.
150man rev E 7/24/98 3:10 PM Page 12