iii
2.9 Presentation Mode.......................................................................................................2-9
2.9.1 Selecting a presentation mode..........................................................................2-9
2.9.2 Description of presentation modes..................................................................2-10
2.10 Measuring the Range...............................................................................................2-12
2.10.1 Measuring range by range rings....................................................................2-12
2.10.2 Measuring range by cursor............................................................................2-13
2.10.3 Measuring range by VRM .............................................................................2-14
2.10.4 Erasing a VRM, VRM indication....................................................................2-15
2.10.5 Erasing EBL/VRM data boxes.......................................................................2-15
2.10.6 Hiding EBL/VRM data boxes.........................................................................2-15
2.10.7 Moving EBL/VRM data boxes .......................................................................2-15
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 ..................................................................2-17
2.13 Reducing Noise........................................................................................................2-17
2.14 Reducing Radar Interference ...................................................................................2-18
2.15 Zoom........................................................................................................................2-19
2.15.1 Zooming in on radar targets..........................................................................2-19
2.15.2 Zooming 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 a 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 brilliance (MODEL1722 series)..............................................................2-25
2.18.4 Trail gradation (MODEL1722C/1723C series)...............................................2-25
2.18.5 Trail color (MODEL1722C/1723C series) ......................................................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 Canceling 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 Waypoint Marker......................................................................................................2-33
