Furuno NAVNET 1833 - Manual (Page 5)

iii
2.10 Measuring the Range......................................................................................................... 2-11
2.10.1 Measuring range by range rings ........................................................................... 2-11
2.10.2 Measuring range by cursor ...................................................................................2-12
2.10.3 Measuring range by VRM .....................................................................................2-13
2.10.4 Erasing a VRM, VRM indication............................................................................2-14
2.10.5 Erasing EBL/VRM data boxes ..............................................................................2-14
2.10.6 Hiding EBL/VRM data boxes.................................................................................2-14
2.10.7 Moving EBL/VRM data boxes ...............................................................................2-14
2.11 Measuring the Bearing.......................................................................................................2-15
2.11.1 Measuring bearing by cursor ................................................................................2-15
2.11.2 Measuring bearing by EBL....................................................................................2-15
2.11.3 Erasing an EBL, EBL indication ............................................................................2-16
2.11.4 Erasing EBL/VRM data boxes ..............................................................................2-16
2.11.5 Hiding EBL/VRM data boxes.................................................................................2-16
2.11.6 Moving EBL/VRM data boxes ...............................................................................2-16
2.12 Erasing the Heading Line, North Marker ...........................................................................2-16
2.13 Reducing Noise Interference .............................................................................................2-17
2.14 Rejecting Radar Interference.............................................................................................2-18
2.15 Zoom ..................................................................................................................................2-19
2.15.1 Zooming in on radar targets..................................................................................2-19
2.15.2 Zooming in on ARP, TTM targets ..........................................................................2-19
2.16 Shifting the Picture.............................................................................................................2-20
2.16.1 Manual shift ...........................................................................................................2-20
2.16.2 Automatic shift.......................................................................................................2-21
2.17 Using the Offset EBL .........................................................................................................2-22
2.17.1 Predicting collision course.....................................................................................2-22
2.17.2 Measuring range & bearing between two targets .................................................2-23
2.18 Echo Trails .........................................................................................................................2-24
2.18.1 Trail time................................................................................................................2-24
2.18.2 Starting echo trails.................................................................................................2-25
2.18.3 Trail gradation .......................................................................................................2-25
2.18.4 Echo trail mode .....................................................................................................2-26
2.19 Echo Stretch.......................................................................................................................2-27
2.20 Echo Averaging..................................................................................................................2-28
2.21 Outputting TLL Data...........................................................................................................2-29
2.22 Guard Alarm .......................................................................................................................2-30
2.22.1 Setting a guard alarm zone...................................................................................2-30
2.22.2 When the alarm is violated… ................................................................................2-31
2.22.3 Cancelling the guard alarm ...................................................................................2-31
2.23 Watchman ..........................................................................................................................2-32
2.23.1 How watchman works ...........................................................................................2-32
2.23.2 Turning on/off watchman.......................................................................................2-32
2.23.3 Setting watchman stand-by interval ......................................................................2-32
2.24 Suppressing Second-trace Echoes ...................................................................................2-33
2.25 Waypoint Marker ................................................................................................................2-34
2.26 ARP, TTM Operation..........................................................................................................2-35
2.26.1 Activating/deactivating ARP, TTM .........................................................................2-36
2.26.2 Acquiring and tracking targets (ARP)....................................................................2-37