Miscellaneous Setup; Setting Ground Wind; Setting Magnetic Variation - Raymarine ST70+ Installation Manual

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Miscellaneous setup

Setting ground wind

You can choose either Speed Over Ground (SOG) or Speed Through Water (STW)
from which to derive the ground wind speed.
To set the required method:
1. At a convenient Instrument keypad press
2. Scroll to Advanced Options then press OK to
select the Advanced Options menu
3. Scroll to select the Ground Wind option.
OK
4. Press
box.
5. Scroll to select either STW or SOG, then press
OK
to return to the Advanced Options menu.
Now proceed to Set magnetic variation.

Setting magnetic variation

The magnetic variation is the difference in heading
between true north and magnetic north. Before
setting this, refer to an up-to-date chart of the area in which you intend using your
boat, to ascertain the correct value of magnetic variation.
Note:
As the magnetic variation is dependent on your geographical location, you may need to
change the magnetic variation value during a long voyage.
To set the magnetic variation:
1. With the Advanced Options menu displayed (as
above), scroll to select the Variation option.
OK
2. Press
This has two adjust boxes, an upper box which
shows the variation mode, and a lower box that
shows the variation value.
3. If necessary, press
upper (mode) adjust box.
to display the Ground Wind setup
to display the Variation setup box.
PAGE UP
to select the
ST70+ User Reference Manual
MENU
to select the Main menu.
Advanced Options
Ground Wind
Press OK to select
Ground Wind
N N
W W E E
S
Select data source for Ground
i
Wind.
Press OK to accept
Advanced Options
N N
W W E E
S
Variation
Press OK to select
Variation
Press CANCEL to exit without
i
saving.
Press OK to accept
N N
W W E E
S
SOG
On
-6°