Simrad Maris ECDIS900 Operator's Manual page 157

Check a route
The top right frame contains two lists of ENC alarm objects. the Safety Contour Alarms are
ticked on by default and can not be off by user. The Special Area Alarms list is configured by
the user.
The second frame on the right side of the window contains entire list of danger object types
and the user can filter the object type to alarm.
Route can be checked leg by leg. The user can select the leg to check in the Filter list by
Route Leg drop-down list.
The bottom frame contains results of the route geometry checking
To change the Guard Zone settings, press the Settings button.
Adjust the settings in the Guard Zone window as required.
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