
9.5.2 Anchor Watch
The Anchor Watch Component is a special type of gauge that graphically
displays the parameters of the Anchor Watch Alert (see 10.3.6.4.9). A button on
the gauge allows the alert to be set or cleared from the control, and when set will
enter the current vessel position into the Anchor Watch Alert. As you drop
anchor, push the button, and you have an anchor watch in place.
An example of the Anchor Watch Component, when the Alert is disabled is
shown below.
Figure 29 – Disabled Anchor Alert Example
Note that the area inside the circle is blank, and the circle is grey. The text on the
button is “Set”. When the button is pressed the Alert will be enabled and the
current GPS position transferred to the Alert reference position.
In the following figure the Anchor Alert has been enabled. We can now see an
anchor symbol in the middle of the circle, the text on the button has been
changed to “Clear”, and the position and heading of the vessel can be seen as a
red ship symbol. The radius of the Alert is displayed to the bottom right of the
control. If the graphic is referenced to magnetic north, the word “mag” is
displayed above the radius; otherwise the word “true” is displayed. Graphically,
the circle represents the radius of the alert.
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