Garmin GPS 155XL Pilot's Manual & Reference page 23

To change any of the selectable fields on the NAV summary page:
C
1. Press to activate the cursor.
O
2. Rotate to highlight the field you would like to change.
K
3. Rotate to change the field to display the desired information.
O
4. Rotate to highlight another field, or
Destination
Selected
Course
The GPS 155XL' s course select feature allows the pilot to define the inbound course
to, or outbound course from, the 'active' waypoint, using an external HSI. Once the
course select function is activated, the selected course will be displayed next to the desti-
nation waypoint identifier and the CDI will provide guidance relative to the desired
course. The course select feature is only available during route, approach or direct-to
navigation. For more information on the course select feature and the GPS SEQ switch,
see Section 5.
To set a desired inbound course:
1. Dial the desired course on the HSI.
2. Set the external GPS SEQ switch to the HOLD position.
3. To stop the course select function, set the GPS SEQ switch back to the AUTO position.
C
to finish.
NAV KEY
NAV Summary
& Course Select
N
TO
AUTOHOLD
FR
S
OBS
The GPS 155XL's course select feature uses the
external GPS SEQ switch, allowing you to dial in
the desired course to or from your destination
directly from your HSI.
SECTION
1
GPS SEQ
13