Subelement D: Display & Control Systems - 10 Key Topics – 10 Exam Questions— Topic 34: EBL, Azimuth and True Bearing
Question 8-34D6
Element 8 (RADAR)A true bearing presentation appears as follows:
Explanation
In a true bearing presentation, the display is oriented such that **North is always at the top of the screen**. This fixed orientation means the entire display remains stable, regardless of the vessel's turns. The ship's current heading is then indicated by a "heading flasher" or vector, which moves around the display as the vessel changes course, always pointing in the direction of the vessel's bow relative to true North.
* **Option A** describes a "Head Up" presentation, where the ship's bow is always at the top of the display, and the entire radar image rotates as the ship turns. This is not true bearing.
* **Options B and D** describe specific information that might be shown by an Automatic Radar Plotting Aid (ARPA) or AIS system regarding targets, but they do not define the fundamental orientation mode of the radar display itself. The method of displaying target data is separate from whether the display is "true bearing" (North Up) or "head up."
Related Questions
8-34D4 Bearing information from the gyro is used to provide the following:8-34D5 Which of the following statements about “true bearing” is correct?8-35D1 In a digitized RADAR, the 360 degree sweep is divided into how many digitized segments?8-35D2 While troubleshooting a memory problem in a raster scan RADAR, you discover that the “REFRESH” cycle is not operating correctly. What type of memory circuit are you working on?8-35D3 The term DRAM stands for: