Furuno FEA-2107 Operator's Manual page 457

Details of programmed turns
The Trackpilot allows the user to design a turn beforehand and to begin execution of the turn when the START
COURSE CHANGE button is pushed. The table below summaries properties of each applicable steering mode.
Steering Rule
mode applicable
Heading Turn or
control linear
Turn or
PHC +
linear
Heading
control
Radius Turn or
control linear
PHC + Linear (**)
(***)
Radius
control
Turn (**)
PHC +
(***)
Radius
control
(executing a
turn)
PTT Linear (**)
Turn (**)
PTT
(executing a
turn)
(*) "Start course change" flashes as indication of no immediate execution of the changed set course.
(**) "Increase" and "Decrease" lamps indicate "Linear" and "Turn". If those lamps are on, then it is Linear. If the
lamps are off, then it is Turn.
(***) If the difference between heading and set course is less than 10 degrees, then the situation is interpreted as
Linear.
PHC = Program Heading Change
PTT = Program Track
Turn Change of
control Set course
Rudder Immediate
angle limit action
Rudder No action
angle limit
until click of
Start (*)
Radius Immediate
control action
Radius No action
control
until click of
Start (*)
Radius No action
control
until click of
Start (*)
Not No action
applicable
until click of
Start (*)
Position No action
controlled until click of
radius Start (*)
Change of Change of
Radius
rudder
limit
Not applicable Immediate
Not applicable Immediate
Immediate Not
applicable
Immediate
Not
applicable
Not available Not
applicable
Immediate Not
applicable
Not available Not
applicable
28. Trackpilot
Curved EBL Curved EBL
"Start course "Start course
change" does change"
not flash flashes
Not applicable Not applicable
Not applicable Not applicable
If displayed Not applicable
indicates
ongoing turn
If displayed Display
planned turn
indicates
ongoing turn
Displays Display
ongoing turn planned turn
If displayed Display
planned turn
indicates
ongoing turn
Displays Display
ongoing turn planned turn
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