Furuno 511 - Manual (Page 8)

1. OPERATION
6
Setting the fixed tack angle
The fixed tacking mode requires the setting of tacking angle. You can set the
angle on the menu.
1. Rotate the course control knob to select “FIXED TACK ANGLE”, and then
press the course control knob to circumscribe the current value with the
double-rectangle.
2. Rotate the course control knob to set values (Setting range: 1º to 180º).
3. Press the course control knob.
1.2.2 Tacking in WIND mode (WIND TACK)
When using the WIND mode, the degree and direction of tacking are
automatically set so that the boat receives the apparent wind on its opposite side
with same angle.
Wind direction
" "
Tacking maneuver in WIND mode
To start turning, do the following:
1. In the WIND mode, press the [TURN] key to show the tacking menu.
For Navpilot-511/520, press the [TURN/MENU] key.
PORT
TACK ANGLE: 0
STBD
Tacking menu (WIND mode)