SECTION 5
OPERATION OF ARPA
5.1 INITIAL SETTING
â– Setting Collision Decision Criteria
.........................
5-2
â– Automatic Setting Mode (System Start)
................
5-4
â– Setting Range Scale
.............................................
5-4
■Setting Own Ship’s Speed
....................................
5-5
5.2 DISPLAY MODE SETTING
â– Setting Motion Display Mode
................................
5-7
â– Setting Bearing Display Mode
...............................
5-7
5.3 TARGET ID No. DISPLAY
..........................
5-8
5.4 TARGET ACQUISITION
â– Automatic Acquisition
............................................
5-9
â– Manual Acquisition
..............................................
5-11
â– Use of Automatic and
Manual Acquisition Modes
..................................
5-13
5.5 ARPA DATA DISPLAY
â– Display of Vectors
...............................................
5-14
â– Display of Past Positions
....................................
5-17
5.6 DATA DISPLAY
â– Types of Data Display
.........................................
5-20
â– Method of Displaying Target Data
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5-20
â– Clearing Data Display
.........................................
5-22
5.7 ALARM DISPLAY
â– Dangerous Target Alarm
.....................................
5-23
â– Guard Zone Alarm
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5-24
â– Lost Target Alarm
...............................................
5-25
â– System Function Alarm
.......................................
5-26
â– Gyro Set Alarm
...................................................
5-26
5.8 TRIAL MANEUVERING
â– Trial Maneuvering in the True Vector Mode
........
5-27
â– Trial Maneuvering
in the Relative Vector Mode
................................
5-28
â– Executing the TRIAL Function
............................
5-29
5.9 DELETING UNWANTED TARGETS
â– Deleting Targets
..................................................
5-30
5.10 ARPA SETTING
â– Simulation
...........................................................
5-33
â– Gate Size
............................................................
5-35
â– Test Video
...........................................................
5-37