12.1-inch Color Radar with Simplified ARPA & 3D View Simplified Automatic Radar Plotting Aids (ARPA) function*1 *2 The simplified ARPA function assists you to prevent your vessel from colliding with other vessels or objects. When a target enters the preset watch area, it is automatically tracked on the radar echo. By selecting one of the targets, the target information, such as position, course, speed, CPA (Closest Point of Approach), TCPA (Time to CPA), bearing, and distance is displayed. When a target enters the CPA, or it exceeds the set TCPA, an alarm sounds to warn you. Simplified...
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