Section 17 Setting up Alerts  17-8 
 
17.4  Depth/Safety Contour Alert 
Generation Conditions 
When [Depth/Safety Contour] is selected in the classification pane, the [Depth/Safety Contour] dialog 
is displayed in the edit pane. 
In this dialog, the threshold values for generating "Crossing safety contour alarm" can be set up. 
 
[Crossing safety contour alarm] cannot be displayed on the RADAR screen. 
 
 
 
Each threshold value can be set in a range between 0 and 200 m. 
In the [Shallow contour], [Safety depth] and [Deep contour] input boxes, the values set in [Options] - 
[Chart Common] of the View menu are displayed. 
When [View Settings for Chart Common] is clicked, the [Chart Common] dialog box of the View menu 
appears. 
For the details of each setting item, refer to "16.2.9 Setting up the display of Chart Common". 
•  Shallow Contour 
•  Safety Depth   
•  Safety Contour 
•  Deep Contour