User's Manual

5.3 AIS OPERATION ..................................................................................5-26
5.3.1 Restrictions ....................................................................................5-26
5.3.2 Setting AIS Display Function (AIS Function) ..............................5-26
5.3.3 Activate AIS Targets (Activate AIS) .............................................5-27
5.3.4 Deactivate AIS Targets (Deactivate AIS) .....................................5-27
5.3.5 Displaying AIS Information [TGT DATA] .....................................5-28
5.3.6 Displaying Target ID No. (Target Number Display) ....................5-31
5.3.7 Setting AIS Filter (AIS Filter Setting) ...........................................5-32
5.3.8 Conditions for Deciding AIS Target to be Lost ..........................5-35
5.3.9 Setting Conditions for AIS Alarm (AIS Alarm Setting) ...............5-36
5.4 DECISION OF TARGETS AS IDENTICAL (Association) ...................5-37
5.4.1 Setting of Function to Decide Targets as Identical (Association) .....5-37
5.4.2 Setting of Conditions for Deciding AIS and Tracked Targets as Identical
(Association Setting) .............................................................................5-37
5.4.3 Types of Decision Conditions to be Set ......................................5-38
5.5 ALARM DISPLAY .................................................................................5-39
5.5.1 CPA / TCPA Alarm .........................................................................5-40
5.5.2 Alarm for New Target Acquired in Automatic Acquisition Zone (New
Target)
..............................................................................................5-41
5.5.3 Lost Target Alarm (Lost) ...............................................................5-41
5.5.4 Gyro Set Alarm ..............................................................................5-42
5.6 TRACK FUNCTION ..............................................................................5-43
5.6.1 Past Position (Past POSN) ...........................................................5-43
5.6.2 Target Ship's Tracks (Target Track) ............................................5-44
5.7 TRIAL MANEUVERING (Trial Maneuver) ..........................5-53
5.7.1 Trial Maneuvering in the True Vector Mode ................................5-54
5.7.2 Trial Maneuvering in the Relative Vector Mode ..........................5-55
5.7.3 Operation of Trial Maneuvering Function ...................................5-56
SECTION 6
TRUE AND FALSE ECHOES ON DISPLAY
6.1 RADAR WAVE WITH THE HORIZON ...................................................6-1
6.2 STRENGTH OF REFLECTION FROM THE TARGET ...........................6-3
6.3 SEA CLUTTER AND RAIN AND SNOW CLUTTER ..............................6-5
6.4 FALSE ECHOES ....................................................................................6-9
6.5 DISPLAY OF RADAR TRANSPONDER (SART) ................................6-12