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TABLE OF CONTENTS
vi
2. RADAR, CHART RADAR OPERATION ...............................................................2-1
2.1 How to Transmit......................................................................................................... 2-1
2.2 How to Tune the Radar Receiver............................................................................... 2-1
2.2.1 How to initialize tuning ................................................................................... 2-1
2.2.2 Automatic tuning ............................................................................................ 2-1
2.2.3 Manual tuning................................................................................................. 2-1
2.3 Presentation Modes ................................................................................................... 2-2
2.3.1 How to select a presentation mode................................................................2-2
2.3.2 Description of presentation modes.................................................................2-3
2.4 How to Select the Range Scale ................................................................................. 2-6
2.5 Pulse Length .............................................................................................................. 2-6
2.5.1 How to select a pulse length .......................................................................... 2-7
2.5.2 How to change the pulse length..................................................................... 2-7
2.6 How to Adjust the Sensitivity...................................................................................... 2-7
2.7 How to Suppress Sea Clutter..................................................................................... 2-8
2.7.1 How to reduce sea clutter automatically ........................................................ 2-8
2.7.2 How to reduce sea clutter manually...............................................................2-8
2.8 How to Suppress Rain Clutter....................................................................................2-9
2.8.1 How to reduce rain clutter automatically ........................................................ 2-9
2.8.2 How to reduce rain clutter manually............................................................. 2-10
2.9 How to Measure the Range to a Target................................................................... 2-11
2.9.1 How to measure the range by using a VRM ................................................ 2-11
2.9.2 How to set VRM attributes ........................................................................... 2-12
2.10 How to Measure the Bearing to a Target ................................................................. 2-13
2.10.1 How to measure the bearing........................................................................ 2-13
2.10.2 How to select bearing reference .................................................................. 2-14
2.11 Collision Assessment by Offset EBL........................................................................ 2-14
2.11.1 How to assess risk of collision .................................................................... 2-14
2.11.2 Point of reference for origin point of offset EBL ........................................... 2-15
2.12 How to Measure the Range and Bearing Between Two Targets ............................. 2-16
2.13 How to Off-center the Display .................................................................................. 2-17
2.14 Interference Rejector................................................................................................ 2-18
2.15 Echo Stretch............................................................................................................. 2-18
2.16 Echo Averaging........................................................................................................ 2-19
2.17 Noise Rejector.......................................................................................................... 2-20
2.18 Wiper........................................................................................................................ 2-21
2.19 Target Trails............................................................................................................. 2-21
2.19.1 Target trails-related indications.................................................................... 2-21
2.19.2 True or relative target trails ..........................................................................2-22
2.19.3 Trail time ......................................................................................................2-22
2.19.4 How to reset target trails .............................................................................. 2-22
2.19.5 How to temporarily remove all target trails from the display ........................ 2-23
2.19.6 Trail stabilization in true motion.................................................................... 2-23
2.19.7 Target trail attributes on the TRAIL menu.................................................... 2-23
2.20 Parallel Index (PI) Lines........................................................................................... 2-24
2.20.1 How to display, erase a PI line..................................................................... 2-24
2.20.2 How to adjust PI line orientation, PI line interval..........................................2-24
2.20.3 PI line attributes on the PI LINE menu......................................................... 2-25
2.20.4 How to reset PI lines .................................................................................... 2-25
2.21 Zoom........................................................................................................................2-26
2.22 Markers ....................................................................................................................2-26
2.22.1 Heading line ................................................................................................. 2-26
2.22.2 Stern marker ................................................................................................2-26
2.22.3 North marker ................................................................................................2-27
2.22.4 Own ship marker..........................................................................................2-27
2.22.5 Vectors.........................................................................................................2-27