Furuno FR-8252 EN - Manual (Page 9)

TABLE OF CONTENTS
vii
2. RADAR OBSERVATION ....................................................................2-1
2.1 General......................................................................................................................2-1
2.1.1
Minimum and maximum ranges ..................................................................2-1
2.1.2 Radar resolution ..........................................................................................2-2
2.1.3 Bearing accuracy .........................................................................................2-2
2.1.4 Range measurement ...................................................................................2-2
2.2 False Echoes .............................................................................................................2-3
2.2.1
Multiple echoes ............................................................................................2-3
2.2.2 Sidelobe echoes ..........................................................................................2-3
2.2.3 Virtual image ................................................................................................2-4
2.2.4 Shadow sector .............................................................................................2-4
2.3 SART (Search and Rescue Transponder).................................................................2-5
2.3.1
SART description..........................................................................................2-5
2.3.2 General remarks on receiving SART ...........................................................2-6
2.4 RACON......................................................................................................................2-6
3. ARP OPERATION ..............................................................................3-1
3.1 Usage Precautions ....................................................................................................3-1
3.2 Controls for Use with ARP.........................................................................................3-2
3.3 ARP Display On/Off ...................................................................................................3-2
3.4 Acquiring and Tracking Targets.................................................................................3-3
3.4.1
Manual acquisition .......................................................................................3-3
3.4.2 Automatic acquisition ...................................................................................3-3
3.5 Terminating Tracking of ARP Targets .......................................................................3-4
3.5.1
Terminating tracking of selected targets ......................................................3-4
3.5.2 Terminating tracking of all targets ...............................................................3-4
3.6 Vector Attributes ........................................................................................................3-5
3.7 History Display (target past position).........................................................................3-6
3.8 ARP Target Data .......................................................................................................3-7
3.9 CPA/TCPA Alarm ......................................................................................................3-8
3.10 Proximity Alarm .........................................................................................................3-9
3.11 Lost Target ................................................................................................................3-9
3.12 Symbol Color ...........................................................................................................3-10
4. AIS OPERATION ................................................................................4-1
4.1 Controls for Use with AIS .........................................................................................4-1
4.2 Turning the AIS Display On or Off .............................................................................4-1
4.3 AIS Symbols ..............................................................................................................4-2
4.4 Activating, Sleeping Targets ......................................................................................4-2
4.5 Displaying AIS Target Data .......................................................................................4-3
4.6 Display Range ...........................................................................................................4-4
4.7 Sorting Targets ..........................................................................................................4-4
4.8 Displaying Targets Within a Specific Sector..............................................................4-5
4.9 Number of Targets to Display ....................................................................................4-5
4.10 Vector Attributes ........................................................................................................4-6
4.11 History Display (target past position).........................................................................4-7
4.12 CPA/TCPA Alarm ......................................................................................................4-8
4.13 Proximity Alarm .........................................................................................................4-9
4.14 Lost Target ..............................................................................................................4-10
4.14.1 Removing all lost AIS targets from the display ..........................................4-10
4.15 Symbol Color ...........................................................................................................4-10