Danger Alarms In The Safety Zone - Simrad Maris ECDIS900 Operator's Manual

Danger alarms in the safety zone

G
UARD ZONE
The ECDIS900 checks the planned position prior to the start of the voyage as well as the ship's
position during the voyage in relation to the planned route and the surrounding dangers. The
system checks the dangers in a guard zone defined in front of the ship.
S
ETTING THE GUARD ZONE
To activate the guard zone alarm function, toggle the Check safety zone function ON on the
Alarm tab of the Ship Properties. The safety zone is portion of circle centred on the ship's
position and defined by an angle and a distance in front of the ship. The distance is calculated
according to the speed of the ship and a specified time set by the mariner.
D
ISPLAY
When a danger alarm is triggered in the guard zone, the danger is highlighted in the chart.
After the alarm has been acknowledged, the alarm message will be displayed in yellow and
remain displayed in the alarm area for as long as the danger exists. However the danger is still
highlighted on the chart. If another danger is triggered in the guard zone, a new red flashing
message will be displayed in the alarm box.
D
ANGERS
ECDIS shall give an alarm or indication if the ship is going to cross the safety contour or cross
the boundary of areas for which special conditions exist within the specified time.
176
D
ANGER ALARMS IN THE SAFETY ZONE