5.3.1 Restrictions ....................................................................................5-27
5.3.2 Setting AIS Display Function (AIS Function) ..............................5-27
5.3.3 Activate AIS Targets (Activate AIS)  .............................................5-28
5.3.4 Deactivate AIS Targets (Deactivate AIS)  .....................................5-28
5.3.5 Displaying AIS Information [TGT DATA] .....................................5-29
5.3.6 Displaying Target ID No. (Target Number Display)  ....................5-32
5.3.7 Setting AIS Filter (AIS Filter Setting)  ...........................................5-33
5.3.8 Conditions for Deciding AIS Target to be Lost  ..........................5-36
5.3.9 Setting Conditions for AIS Alarm (AIS Alarm Setting) ...............5-37
5.4 DECISION OF TARGETS AS IDENTICAL (Association) ...................5-38
5.4.1 Setting of Function to Decide Targets as Identical (Association)  5-
38
5.4.2 Setting of Conditions for Deciding AIS and Tracked Targets as 
Identical (Association Setting) 5-38
5.4.3 Types of Decision Conditions to be Set ......................................5-39
5.5 ALARM DISPLAY .................................................................................5-40
5.5.1 CPA / TCPA Alarm .........................................................................5-41
5.5.2 Alarm for New Target Acquired in Automatic Acquisition Zone 
(New Target) 5-42
5.5.3 Lost Target Alarm (Lost) ...............................................................5-42
5.5.4 Gyro Set Alarm  ..............................................................................5-43
5.6 TRACK FUNCTION  ..............................................................................5-44
5.6.1 Past Position (Past POSN)  ...........................................................5-44
5.6.2 Target Ship's Tracks (Target Track)  ............................................5-45
5.7 TRIAL MANEUVERING      (Trial Maneuver) ..........................5-54
5.7.1 Trial Maneuvering in the True Vector Mode ................................5-55
5.7.2 Trial Maneuvering in the Relative Vector Mode ..........................5-56
5.7.3 Operation of Trial Maneuvering Function  ...................................5-57