TABLE OF CONTENTS
vi
1.21.2 Choosing true or relative bearing.................................................................. 1-39
1.22 Collision Assessment by Offset EBL........................................................................ 1-40
1.22.1 How to assess risk of collision by the offset EBL........................................... 1-40
1.22.2 Choosing point of reference for origin point of offset EBL.............................. 1-41
1.23 Measuring Range and Bearing Between Two Targets ............................................. 1-42
1.24 Setting a Target Alarm............................................................................................. 1-43
1.24.1 How to set a target alarm zone ..................................................................... 1-43
1.24.2 Acknowledging the target alarm.................................................................... 1-44
1.24.3 Deactivating a target alarm ........................................................................... 1-44
1.24.4 Target alarm attributes.................................................................................. 1-45
1.25 Off-Centering the Display........................................................................................ 1-46
1.26 Echo Stretch............................................................................................................ 1-47
1.27 Echo Averaging....................................................................................................... 1-48
1.28 Target Trails............................................................................................................. 1-49
1.28.1 True or relative trails ..................................................................................... 1-49
1.28.2 Trail time....................................................................................................... 1-50
1.28.3 Trail gradation............................................................................................... 1-50
1.28.4 Resetting target trails.................................................................................... 1-51
1.28.5 Trail copy...................................................................................................... 1-51
1.28.6 Trail level ...................................................................................................... 1-52
1.28.7 Narrow trails ................................................................................................. 1-52
1.28.8 Canceling trails............................................................................................. 1-52
1.29 Parallel Index Lines................................................................................................. 1-53
1.29.1 Displaying, erasing parallel index lines.......................................................... 1-53
1.29.2 Adjusting index line orientation, index line interval ........................................ 1-54
1.29.3 Index line bearing reference.......................................................................... 1-54
1.29.4 Choosing maximum number of index lines to display.................................... 1-55
1.29.5 Index line mode ............................................................................................ 1-55
1.30 Origin Mark.............................................................................................................. 1-56
1.30.1 Entering origin marks.................................................................................... 1-56
1.30.2 Origin mark stabilization................................................................................ 1-58
1.30.3 Deleting individual origin marks..................................................................... 1-58
1.31 Zoom....................................................................................................................... 1-59
1.32 Markers................................................................................................................... 1-60
1.32.1 Heading marker and heading line ................................................................. 1-60
1.32.2 Stern marker................................................................................................. 1-60
1.32.3 North marker................................................................................................. 1-60
1.32.4 Own ship symbol .......................................................................................... 1-61
1.33 Automatic Picture Setup According to Navigation Purpose...................................... 1-62
1.33.1 Choosing a picture setup option.................................................................... 1-63
1.33.2 Restoring default picture setup options......................................................... 1-64
1.33.3 User-programmable picture setups............................................................... 1-65
1.34 Programming Function Keys ................................................................................... 1-67
1.34.1 Activating a function key ............................................................................... 1-67
1.34.2 Programming the functions keys................................................................... 1-67
1.35 Ship’s Position......................................................................................................... 1-71
1.36 Noise Rejector......................................................................................................... 1-72
1.37 Suppressing Second-trace Echoes ......................................................................... 1-73
