Furuno FAR-28x7 Series - Manual (Page 8)

TABLE OF CONTENTS
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1.21 Measuring the Bearing ............................................................................................ 1-33
1.21.1 Measuring the bearing .................................................................................. 1-33
1.21.2 Choosing true or relative bearing ................................................................ 1-35
1.22 Collision Assessment by Offset EBL........................................................................ 1-36
1.22.1 How to assess risk of collision by the offset EBL........................................... 1-36
1.22.2 Choosing point of reference for origin point of offset EBL.............................. 1-37
1.23 Measuring Range and Bearing Between Two Targets ............................................. 1-38
1.24 Setting a Target Alarm ............................................................................................. 1-39
1.24.1 How to set a target alarm zone ..................................................................... 1-39
1.24.2 Acknowledging the target alarm .................................................................... 1-40
1.24.3 Deactivating a target alarm ........................................................................... 1-40
1.24.4 Target alarm attributes .................................................................................. 1-41
1.25 Off-Centering the Display ........................................................................................ 1-42
1.26 Echo Stretch............................................................................................................ 1-43
1.27 Echo Averaging ....................................................................................................... 1-44
1.28 Target Trails............................................................................................................. 1-45
1.28.1 True or relative trails ..................................................................................... 1-45
1.28.2 Trail time ....................................................................................................... 1-46
1.28.3 Trail gradation ............................................................................................... 1-46
1.28.4 Saving, copying target trails .......................................................................... 1-47
1.28.5 Trail level ...................................................................................................... 1-48
1.28.6 Narrow trails (B, C and W types)................................................................... 1-48
1.28.7 Longer trails (B, C and W types) ................................................................... 1-49
1.28.8 Removing trails from the display temporarily................................................. 1-49
1.28.9 Erasing trails................................................................................................. 1-49
1.29 Parallel Index Lines ................................................................................................. 1-50
1.29.1 Displaying, erasing parallel index lines.......................................................... 1-50
1.29.2 Adjusting index line orientation, index line interval ........................................ 1-51
1.29.3 Index line bearing reference.......................................................................... 1-51
1.29.4 Choosing maximum number of index lines to display.................................... 1-52
1.29.5 Index line mode (B, C and W types).............................................................. 1-52
1.30 Origin Mark.............................................................................................................. 1-53
1.30.1 Entering origin marks .................................................................................... 1-53
1.30.2 Origin mark stabilization................................................................................ 1-55
1.30.3 Deleting individual origin marks..................................................................... 1-55
1.31 Zoom....................................................................................................................... 1-56
1.32 Markers ................................................................................................................... 1-57
1.32.1 Heading marker and heading line ................................................................. 1-57
1.32.2 Stern marker ................................................................................................. 1-57
1.32.3 North marker................................................................................................. 1-57
1.32.4 Own ship symbol .......................................................................................... 1-57
1.32.5 Barge marker ................................................................................................ 1-58
1.33 Automatic Picture Setup According to Navigation Purpose...................................... 1-59
1.33.1 Choosing a picture setup option.................................................................... 1-61
1.33.2 Restoring default picture setup options ......................................................... 1-61
1.33.3 User-programmable picture setups ............................................................... 1-62