Chapter 3: Advanced Operation
21
Selecting Vane Mode
Vane mode can be selected from either Standby or Auto modes, as
follows:
1. Steady the vessel onto a heading at which the apparent wind angle is
close to angle you require.
2. Press STANDBY and AUTO together to select Vane mode and
lock the current apparent wind angle.
• The locked heading is displayed in large characters. The locked
apparent wind angle is displayed above the heading, with an P (port)
or S (starboard) direction indicator.
• The boat heading is adjusted by the autopilot to maintain the locked
apparent wind angle.
Adjusting the Locked Wind Angle
The locked wind angle can be adjusted by changing course using the
-1, +1, -10 and +10 keys.
For example, to bear away by 10° when the vessel is on starboard
tack, press -10 to turn the vessel 10° to port. The locked apparent
wind angle and locked heading both change by 10°. The new
apparent wind angle is maintained, and the locked heading adjusted
by the autopilot as required.
Note: This method does not apply to systems using the Type 100/300
Course Computer. Also, this method should only be used for minor
adjustments to the apparent wind angle, since turning the boat
affects the relationship between the true and apparent wind angles.
For major changes, return to Standby mode, steer onto the new
heading, and reselect Vane mode.
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