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2. RADAR OPERATION......................................................................................... 2-1
2.1 Radar Display............................................................................................................................ 2-1
2.2 Transmitting, Stand-by .............................................................................................................. 2-2
2.3 Adjusting the Gain ..................................................................................................................... 2-3
2.4 Reducing Sea Clutter ................................................................................................................ 2-3
2.4.1 How the A/C SEA circuit works ........................................................................................... 2-3
2.4.2 Adjusting A/C SEA .............................................................................................................. 2-4
2.5 Reducing Precipitation Clutter................................................................................................... 2-4
2.5.1 Adjusting the A/C RAIN ....................................................................................................... 2-5
2.5.2 Adjusting the FTC (linear amp-type network radar only) .................................................... 2-5
2.6 Tuning the Receiver .................................................................................................................. 2-6
2.6.1 Manual tuning...................................................................................................................... 2-6
2.7 Selecting the Range Scale........................................................................................................ 2-7
2.8 Pulselength................................................................................................................................ 2-8
2.9 Presentation Mode .................................................................................................................... 2-9
2.9.1 Selecting a presentation mode ........................................................................................... 2-9
2.9.2 Presentation mode overview............................................................................................. 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 ............................................................................................. 2-12
2.10.3 Measuring range by VRM ............................................................................................... 2-13
2.10.4 Erasing a VRM ................................................................................................................ 2-14
2.10.5 Erasing EBL/VRM data boxes ........................................................................................ 2-14
2.10.6 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 ............................................................................................................... 2-15
2.11.4 Erasing EBL/VRM data boxes......................................................................................... 2-16
2.11.5 Moving EBL/VRM data boxes ......................................................................................... 2-16
2.12 Erasing the Heading Line, North Marker............................................................................... 2-16