JRC JMR-7225-6X - Page 4

Contents (2)
Section 6 Target Tracking and AIS ............................................................... 6-1
6.1 Restrictions ........................................................................................................................... 6-2
6.2 Collision Avoidance Issue (Explanation) ............................................................................... 6-3
6.2.1 Collision Avoidance in Navigation ................................................................................. 6-3
6.2.2 Marine Accidents and Collisions ................................................................................... 6-3
6.2.3 Basic Concept of Collision Avoidance .......................................................................... 6-4
6.2.4 Relative Vector and True Vector ................................................................................... 6-5
6.2.5 Radar and Collision Avoidance ..................................................................................... 6-5
6.3 Displaying Symbols ............................................................................................................... 6-6
6.3.1 Displaying/hiding target tracking symbols/AIS target symbols ..................................... 6-6
6.3.2 Types and Definitions of Target Tracking Symbols ....................................................... 6-6
6.3.3 Types and Definitions of AIS Target Symbols ............................................................... 6-7
6.3.4 About AIS AtoN (Aids to Navigation) ........................................................................... 6-12
6.3.5 About AIS-SART Information ...................................................................................... 6-12
6.3.6 About Display Priority of AIS Targets .......................................................................... 6-13
6.3.7 Switching between Ground Vector and Water Vector ................................................. 6-14
6.3.8 Association Target Symbols ........................................................................................ 6-14
6.4 Preparation .......................................................................................................................... 6-15
6.4.1 Setting the Cursor Mode to AUTO Mode .................................................................... 6-15
6.4.2 Setting Vector .............................................................................................................. 6-15
6.4.2.1 Vector modes .................................................................................................... 6-15
6.4.2.2 Setting vector mode .......................................................................................... 6-17
6.4.2.3 Vector Length (Vector Time) .............................................................................. 6-17
6.4.2.4 Setting the Vector Length .................................................................................. 6-18
6.4.3 Setting collision decision criteria ................................................................................. 6-18
6.4.3.1 Setting CPA limit ................................................................................................ 6-18
6.4.3.2 Setting TCPA limit .............................................................................................. 6-19
6.4.4 Showing the CPA ring (RADAR only) ......................................................................... 6-20
6.5 Setting and Operating Target Tracking ............................................................................... 6-21
6.5.1 Acquiring target ........................................................................................................... 6-21
6.5.1.1 Automatic acquisition (automatic acquisition) mode ......................................... 6-21
6.5.1.2 ACQ MANUAL (manual acquisition) mode ....................................................... 6-22
6.5.1.3 Using manual acquisition and auto acquisition together ................................... 6-23
6.5.2 Setting up the automatic acquisition/activation zone (AZ) .......................................... 6-23
6.5.2.1 Using [New Target Warning] dialog box in the [Alert] menu .............................. 6-24
6.5.2.2 Using the cursor ................................................................................................ 6-25
6.5.2.3 Using the EBL/VRM dial for the setting ............................................................. 6-26
6.5.3 Tracked target information display .............................................................................. 6-27
6.5.4 Erasing unwanted tracked targets .............................................................................. 6-28
6.5.5 Displaying Target ID No. ............................................................................................. 6-29
6.5.6 Editing tracked target properties ................................................................................. 6-31
6.5.6.1 Adding Tracked Target ID Name ....................................................................... 6-31