Raymarine GyroPlus Yaw Sensor Installation Manual download pdf (Page 39)

Chapter 3: Operating instructions 31

3.7 Using the SmartPilot with sail boats

Using Wind Vane mode

You can only select Wind Vane mode if the SmartPilot is receiving suitable SeaTalk

or NMEA wind direction information.

What is Wind Vane mode?

When the SmartPilot is in Wind Vane mode it uses the wind angle as the primary

heading reference. As changes in the true or apparent wind angle occur, it adjusts

the locked heading to maintain the original wind angle.

Selecting Wind Vane mode

You can select Wind Vane mode from either

Standby or Auto mode:

1. Steady the boat onto the required wind angle.

2. Press

, then use < and > to select Wind

Vane mode and lock the current wind angle.

The display shows the locked heading (e.g.

128°) and the wind angle (e.g. WIND 145P

indicates an wind angle of 145° to port).

3. The SmartPilot will then adjust the boat’s

heading to maintain the locked wind angle.

Adjusting the locked wind angle

You can adjust the locked wind angle by using the -1, +1, -10 and +10 buttons to

change course. For example, to bear away by 10° when the boat is on a starboard

tack:

•press

-10 to turn the boat 10° to port – the locked wind angle and locked heading

will both change by 10°.

• the autopilot will then adjust the locked heading as required to maintain the new

wind angle.

Note: Because turning the boat affects the relationship between the true and apparent wind an-

gles, you should only use this method to make minor adjustments to the wind angle. For major

changes, return to Standby mode, steer onto the new heading, then reselect Wind Vane mode.

Refer to the ST70 Autopilot Controller User Reference Guide for the procedure for changing the

wind reference between True and Apparent.

Leaving Wind Vane mode

You can leave Wind Vane mode by:

• pressing AUTO to return to Auto mode.

• pressing STANDBY to return to manual control.

True and apparent wind

SmartPilots can maintain a course relative to either an apparent or true wind angle

in Wind Vane mode

Press ENTER to select.

Main Menu

Wind Vane Mode

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Raymarine GyroPlus Yaw Sensor Installation Manual Page 39

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