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The operational modes | AP70/AP80 Operator Manual
Initiating S-turns
1. Press the TURN key to display turn options
2. Select the S-turns icon
3. Select the port or starboard turn direction in the turn dialog
Stopping S-turns
You can at any time during a turn press the STBD key to return to Standby mode and
manual steering.
Navigating mode
Warning: Navigational steering should only be used in open waters.
The AP70 and AP80 can use steering information from an external navigator to direct the
vessel to one specific waypoint location, or through a series of waypoints.
In NAV mode the autopilot will steer straight legs along a route set on chart plotter
¼ Note: It is not possible to select NAV mode if heading information is missing, or if steering or
speed information is not received from the external navigator.
When in a NAV mode, the autopilot uses the heading sensor as its heading source for course
keeping. The steering and speed information received from the external navigator alters the
set course to direct the vessel to the destination waypoint.
To obtain satisfactory navigation steering, the autopilot system must have valid input from
the chart system. Autosteering must be tested and determined satisfactory prior to entering
the navigation mode.
The NAV mode info panel
D
G H
C
BA
E
F
A. DTW: Distance to next waypoint
B. WPT: Waypoint name
C. XTD: Cross Track Distance
D. Vessel position relative to leg line
E. CTS: Course to steer (set heading calculated by the autopilot)
F. BWW: Bearing to next waypoint
G. COG: Course over ground
H. SOG: Speed over ground
- If SOG is missing, the speed info will be taken from log (STW). Speed can also be set
manually from the Quick menu (MAN)
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