28.4
Manual Steering
28.4.1
Heading control
The heading control steering mode can be used always; it doesn't require any position source.
•
Mode selection: HEADING CONTROL
•
The HEADING CONTROL and HEADING lamps are lit.
•
Immediate course change when tiller is used to set heading.
•
Course change is defined as heading controlled with set rudder angle limit.
28.4.2
Radius control
The radius control steering mode can be used always; it doesn't require any position source.
•
Mode selection: RADIUS CONTROL
•
RADIUS CONTROL and HEADING lamps are lit
•
Immediate course change when tiller is used to set heading.
•
Course change is radius controlled with set radius
•
If wind, current, etc. affect the ship, the ship will drift away (inside or outside) from planned designed turn. This
is displayed on the radar screen.
28.4.3
Program heading change
Program heading change steering mode can be used always, it doesn't require any position source.
•
Mode selection: PROGRAM HEADING CHANGE
•
PROGRAM COURSE CHANGE and HEADING lamps are lit.
•
Tiller is first used to set new heading and radius, which are also displayed on the radar screen.
•
"START HEADING CHANGE" flashes if newly set heading is different from currently used set heading.
•
Course change is activated by pushing START HEADING CHANGE.
•
After activation, control is returned to RADIUS CONTROL.
•
If wind, current, etc. affect the ship, the ship will drift away (inside or outside) from planned designed turn. This
is displayed on the radar screen.
28. Trackpilot
28-5