– xvii –
â– Operation of Performance Monitor............................................................................3-97
â– EBL Maneuvering....................................................................................................3-103
4. MEASUREMENT OF RANGE
AND BEARING
â– Measurement by Trackball...........................................................................................4-1
â– Measurement by Range Rings .....................................................................................4-2
â– Measurement by EBLs and VRMs ..............................................................................4-2
â– Measurement between Two Optional Points ...............................................................4-4
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 ............................................................................5-20
â– Clearing Data Display................................................................................................5-22
5.7 ALARM DISPLAY
â– Dangerous Target Alarm............................................................................................5-23
â– Guard Zone Alarm .....................................................................................................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