Product specifications

4 ST40 Wind Instrument Owner’s Handbook
1.3 Screen descriptions
Apparent and true wind screens
If apparent wind information is displayed,
bearing as the locked heading
D4792-2
Wind direction with
respect to boat
heading. Either
apparent or true.
Wind angle
Either A (apparent)
or T (true)
Wind speed
Either apparent
or true, as indicated
above.
Boat heading
to apply the current wind
press
Locked apparent wind screen
D4793-2
Note:
In auto lock mode, a similar screen is displayed with an A LOCK
annunciator, to indicate that the locked wind angle is controlled
by the course computer and cannot be changed manually.
STEER
Relative direction
of the locked wind
angle
Flashing segment
indicates the
divergence of the
apparent wind from
the locked wind
angle
Locked wind
angle
Apparent wind
speed
P = port,
S = starboard.
Direction to steer
indicator to achieve
locked wind angle
Use or
to change locked wind angle, as required.
Press
to return to the Apparent wind screen
1.4 High wind speed alarm
The high wind speed alarm threshold is set up at the Set high wind
speed alarm threshold screen and the alarm sounds if the alarm is
switched on and the wind speed exceeds this threshold.
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