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Revision 1.4.16a Page 225
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8.3.7.7.2 Trigger Configuration – Outside Radius Alert
Figure 265 – Trigger Configuration – Outside Radius Alert
Re-trigger Period – When you accept an alert, it will change to the “Accepted” state, and
annunciators that are sounding for that alert will stop sounding. If the condition which caused
the alert remains true after the amount of time in this field, the alert will return to the “Active”
state, and annunciators will begin sounding again for that alert. If a value of 0:00 is entered,
then the alert will never re-trigger.
Alert Set Point – If the distance between the current GPS position and the reference position
rises above the value in this field, the alert will become active.
Alert Set Delay – The distance between the current GPS position and the reference position must
rise above the Outside Radius Alert Set value for longer than the time in this field in order for
an alert to become active.
Alert Clear Point – If the alert is active and the distance between the current GPS position and
the reference position falls below the value in this field, the alert will become inactive.
Alert Clear Delay – The distance between the current GPS position and the reference position
must fall below the Outside Radius Alert Clear value for longer than the time in this field in
order for an alert to become inactive.
Latitude – The latitude of the reference position. This may be typed in as <degrees>:<minutes>
followed by an N or S. If the N or S is missing, North is assumed. Moving the cursor to another
field will reformat the contents of this field.
Longitude – The longitude of the reference position. This may be typed in as
<degrees>:<minutes> followed by an E or W. If the E or W is missing, East is assumed.
Moving the cursor to another field will reformat the contents of this field.
Get Current Position – Selecting this will transfer the current GPS position into the Latitude and
Longitude fields.
8.3.7.8 Trigger Type is Inside Radius Alert
The Inside Radius Alert is similar to the Outside Radius Alert except that an alert is activated if the
vessel comes within a certain distance or radius of a reference point (expressed as a longitude and
latitude). Figure 266 shows an Inside Radius Alert and associated parameters.