How To Select Safety Contour; How To Select Objects Used In Chart Alerts - Furuno FEA-2807 Operator's Manual

11. Chart Alerts
11.2.1

How to select safety contour

The operator selects a safety depth suitable for the ship. To select a suitable depth, do the following:
1. Spin the scrollwheel to display Chart Display/Info/Standard Display in the
mouse functions area then push the left mouse button. If the Chart page is not
displayed, click the Chart tab to display it.
2. Enter desired depth in the Safety contour field. In the example at right the safe
water depth is set for 8 m.
Note: If the chart does not contain selected depth contour, the system will
automatically select next deeper contour.
11.2.2

How to select objects used in chart alerts

You can also include calculation areas that have to be noted when sailing (for example, restricted areas). To include
these areas in chart alerts, do the following:
1. Spin the scrollwheel to show Menu/Info/Chart Menu in the mouse
functions area then push the left mouse button.
2. Select Initial Settings from the menu then push the scrollwheel.
3. Put the cursor on the triangle inside the Initial Settings dialog box
to open the Initial Settings menu.
4. Select Chart Alerts parameters then push the scrollwheel.
5. Click the Alerts tab to show the Chart Alerts dialog box. In the
Ignore box at the top of the window, use the left mouse button to
click the alert item you wish to process.
6. Select what alert type you desire. Click the Indication button to
display a visual alert, or Alert/Warning button to get the audio
alarm. The item selected is moved from the Ignore box to the
Graphical Indication or Alert/Warning box as appropriate.
7. To remove an alert, click it in the Indication or Alert box with the
left mouse button then click the Ignore button. To change an alert
method, click it in the Indication or Alert box with the left mouse
button then click the Indication or Alert button as appropriate.
8. Click the Check Area tab with the left mouse button.
Time or Distance and Width are explained in section 11.4 "How to
Activate Own Ship Check". Set them appropriately.
List of areas
There are areas that the ECDIS detects and provides the audio alarm or visual indication if ship's estimated position
or planned or monitored route cross the area defined on the Chart Alerts page. You can select from the following
areas:
•
"Safety Contour"
•
"Areas To Be Avoided"
•
"User Chart Danger Area"
•
"Traffic Separation Zone"
11-2
Chart Display