Mercury MerCruiser Owner's Manual page 38

Section 2 - Getting to Know Your Power Package
The buttons on the Precision Pilot Trackpad have the following functions:
Function
SkyHook
Turn < and >
Waypoint Sequence
Response
Track Waypoint
Auto Heading
Resume
NOTE: Moving the steering wheel will always take control of the boat. A slight detent will
have to be overcome to give the operator feedback that the they are taking control from
the Precision Pilot. The "Resume" button will return the Precision Pilot to control in the
previous mode.
Page 30
Description
Engages and disengages SkyHook. Mode is only available when the joystick is
centered, both engines are running, GPS and Heading Sensors are available, and
levers are in neutral.
Each press of the button causes a 10 degree course change in the Auto Heading mode.
(A tap port or starboard on the joystick initiates a one degree change in course.)
Engages Waypoint Sequence, driving the boat on a course set with multiple waypoints
on the charplotter. Waypoint Sequence is available when the "WAYPOINT
SEQUENCE" button is pressed, a NMEA‑0183 stream is available from a chart plotter,
and the GPS and heading sensor signals are available. When in "WAYPOINT
SEQUENCE" mode, the joystick or "<" or ">" will cause the Precision Pilot to change
to heading control and change the heading 1°.
Increases or decreases the amount of control exerted by the Precision Pilot on
disturbances to external course changes in three levels. Selection will be in a
"(123‑321)" format. The response levels can be calibrated.
Engages Precision Pilot in (GPS) Track mode. Track can be engaged by either
pressing the track button or pressing the auto button then the track button. Route
Tracking is available when the "Track" button is pressed, a NMEA‑0183 stream is
available from a chart plotter, and the GPS and heading sensor signals are available.
When in "Track" mode, the joystick or "<" or ">" will cause the Precision Pilot to change
to heading control and change the heading 1°.
Engages Auto Heading mode. Heading control is available when the "Auto Heading"
button is pressed, and GPS and IMU signals are available. (See "Turn < and >" for
course adjustment information.)
Resumes previous Auto/Track Course.
90-899883295 JUNE 2008