Simrad AP28 Operator's Manual page 29

Initial course change 20°
Turn parameter
Course change
Leg distance
The unit for leg distance is the same as the unit set for
depth (feet or meter).
Square-turn
The square-turn feature in AUTO mode can also be made
as rectangle or any pattern where the next turn is 90°.
To enter Square-turn mode:
TURN
Press either the
select the direction in which to make
the first course change and start.
Course change 40°
Range
4° - 140°
82 ft - 9843 ft
25 m - 3000 m
or key to
Main course
Leg distance
Change
Default
per step
4 28°
50 1641 ft
25 500 m
Leg distance
Operation | 29