– xvii –
■ Operation of Performance Monitor............................................................................3-97
■ EBL Maneuvering....................................................................................................3-103
4. MEASUREMENT OF RANGE
AND BEARING
■ Measurement by Trackball...........................................................................................4-1
■ Measurement by Range Rings .....................................................................................4-2
■ Measurement by EBLs and VRMs ..............................................................................4-2
■ Measurement between Two Optional Points ...............................................................4-4
5. OPERATION OF ARPA
5.1 INITIAL SETTING
■ Setting Collision Decision Criteria ..............................................................................5-2
■ Automatic Setting Mode (System Start) ......................................................................5-4
■ Setting Range Scale......................................................................................................5-4
■ Setting Own Ship’s Speed............................................................................................5-5
5.2 DISPLAY MODE SETTING
■ Setting Motion Display Mode......................................................................................5-7
■ Setting Bearing Display Mode.....................................................................................5-7
5.3 TARGET ID No. DISPLAY ..............................................................5-8
5.4 TARGET ACQUISITION
■ Automatic Acquisition .................................................................................................5-9
■ Manual Acquisition....................................................................................................5-11
■ Use of Automatic and Manual Acquisition Modes....................................................5-13
5.5 ARPA DATA DISPLAY
■ Display of Vectors......................................................................................................5-14
■ Display of Past Positions............................................................................................5-17
5.6 DATA DISPLAY
■ Types of Data Display................................................................................................5-20
■ Method of Displaying Target Data ............................................................................5-20
■ Clearing Data Display................................................................................................5-22
5.7 ALARM DISPLAY
■ Dangerous Target Alarm............................................................................................5-23
■ Guard Zone Alarm .....................................................................................................5-24
■ Lost Target Alarm......................................................................................................5-25
■ System Function Alarm .............................................................................................5-26
■ Gyro Set Alarm ..........................................................................................................5-26
5.8 TRIAL MANEUVERING
■ Trial Maneuvering in the True Vector Mode.............................................................5-27
■ Trial Maneuvering in the Relative Vector Mode .......................................................5-28
■ Executing the TRIAL Function..................................................................................5-29