Simrad AP28 Technical Information download pdf (Page 35)

Operation | 33

If only one waypoint has been entered the bearing will

from the present position to the destination waypoint.

• NAV mode

• Course to steer (CTS): 005 is

set internally by the autopilot

to steer the boat onto the track

line and maintain the bearing

• Cross Track Error (XTE): 1.315

• Boat symbol illustrating whether the boat is to port or

starboard of planned track

• Compass heading: 350° M

• Next waypoint: WP1

• Speed over ground (SOG): 12.8 kn

• Distance to next waypoint (DTW): 14.29 nm

• Steering parameter: LO-A

For Cross Track Error, the number of decimals shown

depends on the output from the GPS/chart plotter. Three

decimals give a more accurate track keeping.

When operating the AP28 in NAV mode to steer through a

route of waypoints, the AP28 will steer to the nearest

waypoint in the direction of the route after you accept the

NAV mode prompt. When you arrive at the waypoint, the

AP28 will output an audible warning, display an alert

screen with the new course information, and

automatically change course onto the new leg.

If the required course change is more than the NAV

change limit (default 10

), you have to verify that the

upcoming course change is acceptable. This is a safety

feature. See page 73 on how to change the ‘NAV change

limit’.

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Simrad AP28 Technical Information Page 35