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Contents · 11
Associated alarms.............................................................................................342
Filter Operation ..............................................................................................................343
Filter and automatic Route Steering .................................................................343
How to use position alignment........................................................................................345
Position alignment by means of the ECDIS......................................................345
How to reset position alignment.......................................................................346
Position alignment by means of the ARPA radar .............................................347
Gyro error correction ......................................................................................................349
How to enable Gyro error correction................................................................350
Use Reference targets for automatic Gyro error correction..............................352
Wind sensor....................................................................................................................353
Depth sensor ...................................................................................................................354
Sensor related alarms......................................................................................................355
ARPA Target functions 357
Display of ARPA radar targets .......................................................................................357
Display of dangerous ARPA radar targets........................................................357
Display of lost ARPA radar targets ..................................................................358
Display of True or Relative speed vectors........................................................358
Display of ARPA target data ..........................................................................................359
How to view ARPA target tracking data of normal targets ..............................359
How to view ARPA target tracking data of reference targets...........................360
Source of ARPA radar targets ........................................................................................362
Source of ARPA radar targets related alarms...................................................362
Display ARPA target past positions................................................................................363
ARPA Target recording functions ..................................................................................364
Using ARPA targets for chart align................................................................................364
Using ARPA targets for position calculation..................................................................364
Using ARPA targets for gyro error correction................................................................364
AIS target functions 365
Introduction ....................................................................................................................365
Display of AIS target......................................................................................................366
Display of dangerous AIS targets.....................................................................367
Display of lost AIS targets................................................................................367
Display of True or Relative speed vectors........................................................367
Maximum count and range for displaying AIS targets on ECDIS....................367
Source of AIS targets related alarm..................................................................368
Display of AIS target data ..............................................................................................368
Display of AIS interface status .......................................................................................370
Radar Echo Overlay 371
Introduction ....................................................................................................................371
How to activate radar echo overlay on the ECDIS .........................................................372
Source of radar echo overlay ..........................................................................................372
Display modes of radar echo overlay ...............................................................373
How to adjust radar echo overlay visual image ..............................................................374
Radar overlay source........................................................................................374
Gain..................................................................................................................374
Sea clutter filter ................................................................................................374
Rain clutter filter ..............................................................................................375
Echo trail time and trail presentation mode......................................................375
Interference reject.............................................................................................376
Noise display....................................................................................................376
Transparency ....................................................................................................376
Echo Stretch .....................................................................................................377
Echo Overload situation ...................................................................................377