TABLE OF CONTENTS
vi
1.22
Measuring Range and Bearing Between Two Targets ...............................................1-38
1.23
Target Alarm...............................................................................................................1-39
1.23.1
How to set a target alarm ................................................................................1-39
1.23.2
Acknowledging the target alarm ......................................................................1-40
1.23.3
Deactivating a target alarm..............................................................................1-40
1.23.4
Target alarm attributes.....................................................................................1-41
1.24
Off-Centering the Display...........................................................................................1-42
1.25
Interference Rejector..................................................................................................1-43
1.26
Echo Stretch...............................................................................................................1-43
1.27
Echo Averaging ..........................................................................................................1-44
1.28
Noise Rejector............................................................................................................1-45
1.29
Wiper..........................................................................................................................1-46
1.30
Target Trails ...............................................................................................................1-47
1.30.1
True or relative trails........................................................................................1-47
1.30.2
Trail time..........................................................................................................1-48
1.30.3
Trail gradation..................................................................................................1-48
1.30.4
Saving, copying target trails ............................................................................1-49
1.30.5
Trail level .........................................................................................................1-50
1.30.6
Narrow trails (B, C and W types).....................................................................1-50
1.30.7
Longer trails (B, C and W types) .....................................................................1-51
1.30.8
Temporarily removing trails from the display ...................................................1-51
1.30.9
Trail stabilization in true motion .......................................................................1-51
1.30.10
Erasing trails..................................................................................................1-51
1.31
PI (Parallel Index) Lines .............................................................................................1-52
1.31.1
Displaying, erasing PI lines .............................................................................1-52
1.31.2
Adjusting PI line orientation, PI line interval ....................................................1-53
1.31.3
PI line bearing reference .................................................................................1-53
1.31.4
Maximum number of PI lines to display...........................................................1-54
1.31.5
PI line orientation.............................................................................................1-54
1.31.6
Resetting PI lines ............................................................................................1-54
1.32
Origin Mark ................................................................................................................1-55
1.32.1
Entering origin marks ......................................................................................1-55
1.32.2
Origin mark stabilization ..................................................................................1-57
1.32.3
Deleting individual origin marks.......................................................................1-57
1.33
Zoom..........................................................................................................................1-58
1.34
Markers ......................................................................................................................1-59
1.34.1
Heading line ....................................................................................................1-59
1.34.2
Stern marker....................................................................................................1-59
1.34.3
North marker ...................................................................................................1-59
1.34.4
Own ship symbol .............................................................................................1-60
1.34.5
Barge marker...................................................................................................1-61
1.34.6 INS marker ......................................................................................................1-61
1.35
Automatic Picture Setup According to Navigation Purpose .......................................1-62
1.35.1
Selecting a picture setup option ......................................................................1-64
1.35.2
Programming and saving picture setups .........................................................1-64
1.35.3
Restoring user settings....................................................................................1-66
1.35.4
Restoring default picture setup options ...........................................................1-66
1.35.5
Disabling unnecessary picture setups .............................................................1-67
1.36
Function Keys ............................................................................................................1-68
1.36.1
Activating function keys...................................................................................1-68
1.36.2
Programming function keys.............................................................................1-68
1.37
Ship’s Position............................................................................................................1-72
1.38
Second-trace Echoes.................................................................................................1-74