i
2.25 ARP (option), TTM operation ................................................................................... 2-34
2.25.1 Activating/deactivating ARP, TTM ................................................................. 2-35
2.25.2 Acquiring and tracking targets (ARP only)..................................................... 2-36
2.25.3 Displaying target number (internal, external ARP) ........................................ 2-37
2.25.4 Terminating tracking of ARP targets.............................................................. 2-38
2.25.5 Setting vector attributes (ARP) ..................................................................... 2-39
2.25.6 Displaying past position display (ARP) ......................................................... 2-40
2.25.7 ARP, TTM target data.................................................................................... 2-41
2.25.8 CPA/TCPA alarm (ARP)................................................................................ 2-42
2.25.9 Lost target alarm (ARP)................................................................................ 2-43
2.26 Interpreting the Radar Display ................................................................................. 2-44
2.26.1 General ........................................................................................................ 2-44
2.26.2 False echoes................................................................................................ 2-46
2.26.3 SART (Search and Rescue Transponder)..................................................... 2-48
2.26.4 Racon (Radar Beacon)................................................................................. 2-50
3. PLOTTER OPERATION.................................................................................3-1
3.1 Plotter Displays............................................................................................................3-1
3.1.1 Full-screen plotter display................................................................................. 3-1
3.1.2 Compass display.............................................................................................. 3-3
3.1.3 Highway display ............................................................................................... 3-5
3.1.4 Nav data display............................................................................................... 3-6
3.2 Presentation Mode....................................................................................................... 3-7
3.2.1 North-up ........................................................................................................... 3-7
3.2.2 Course-up ........................................................................................................ 3-8
3.2.3 Auto course-up................................................................................................. 3-8
3.3 Shifting the Display...................................................................................................... 3-9
3.4 Chart Scale.................................................................................................................. 3-9
3.5 Chart Cards............................................................................................................... 3-10
3.5.1 Chart card overview........................................................................................ 3-10
3.5.2 Indices and chart enlargement.........................................................................3-11
3.5.3 FURUNO and NavCharts™............................................................................ 3-12
3.5.4 C-MAP cards.................................................................................................. 3-14
3.6 Working with Track .................................................................................................... 3-18
3.6.1 Displaying track.............................................................................................. 3-18
3.6.2 Stopping, restating plotting of own ship track.................................................. 3-19
3.6.3 Changing track color (MODEL1722C/1723C series)....................................... 3-20
3.6.4 Track plotting method and interval for own ship track ..................................... 3-21
3.6.5 Changing own ship track/mark distribution setting.......................................... 3-22
3.6.6 Erasing track .................................................................................................. 3-23
3.7 Marks, Lines.............................................................................................................. 3-25
3.7.1 Entering a mark.............................................................................................. 3-25
3.7.2 Changing mark attributes................................................................................ 3-25
3.7.3 Selecting line type .......................................................................................... 3-26
3.7.4 Erasing marks, lines ....................................................................................... 3-27
3.8 Waypoints.................................................................................................................. 3-29
3.8.1 Entering waypoints......................................................................................... 3-29
3.8.2 Editing waypoint data ..................................................................................... 3-32
