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6. Man Overboard. The autopilot will execute a turn to the reciprocal course and pass near the maneuver
initiation point.
7. GPS steering. (Some GPS units may not support these features.)
7a. The autopilot will steer to a waypoint or series of waypoints.
7b. The autopilot will orbit a waypoint.
7c. The autopilot will steer a 3 leaf clover pattern over a waypoint.
7d. The autopilot will steer a spiral search pattern around a waypoint.
7e. The autopilot will steer to constant course over ground.
8. Reverse. The autopilot will attempt to execute any of the above steering functions while the boat is
backing.
The TR-1 system includes an electric throttle mechanism for remote control of the kicker throttle
valve. The throttle butterfly valve is actuated by a lead screw and stepper motor. The stepper advances
or retracts the lead screw in 1/1000 inch steps as commanded by the remote control pushbuttons. On
system power down, the stepper is commanded to take the butterfly valve to its' closed throttle position.
The throttle system has an Idle/Resume feature that provides for single button push reduction of throttle to
idle and subsequent button push resumption of the initial RPM.
Operating The System
Most of the operation of the autopilot is accomplished through the remote control and the deckmount
switch. To make things easy to talk about we will name the buttons as shown in the picture of the handheld/
remote below.
Autopilot/Standby
Button
Straight Right Arrow
Button
Up Arrow Button
Down Arrow Button
Bent Right Arrow Button
Straight Left Arrow
Button
GPS (Select Load)
Button
Bent Left Arrow
Button
Idle/Resume
Button
Setup Button
Almost all of the buttons in the systems have multiple functions, and many functions are accomplished by
button push sequences or by pushing more than one button at a time. The steering and throttle modes are not
all available simultaneously. The Idle/Resume , Bent Left Arrow, and Bent Right Arrow buttons are
sometimes referred to as “special function” buttons in the following text.
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