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Contents v

2.3 Controlling the Display ............................................................. 2-7

Selecting the Mode of Operation ............................................... 2-7

Selecting a Half-Screen Window for Display ........................ 2-8

Switching Control Between Radar & Chart Screens ............ 2-11

Returning to the Full-Screen Display .................................. 2-11

Customising the Screen Presentation Options .......................... 2-13

Switching the Cursor Data Box On and Off ......................... 2-13

Switching Range Rings or Chart Grid On and Off ............... 2-13

Data Boxes ....................................................................... 2-14

Waypoint Display - Radar mode ........................................ 2-14

Custom Options - Chart mode ............................................ 2-15

2.4 Radar Display Control Functions ............................................. 2-16

Using the Zoom Function ........................................................ 2-16

Offsetting the Centre .............................................................. 2-17

Hiding the Ship’s Heading Marker (SHM) ............................... 2-18

2.5 Chart Display Control Functions ............................................. 2-19

Moving Around the Chart ....................................................... 2-19

Changing the Chart Centre ................................................. 2-19

Using FIND SHIP ............................................................. 2-20

Changing the Chart Scale ................................................... 2-21

2.6 Typical Chart Scenarios .......................................................... 2-23

Place and Goto A Waypoint .................................................... 2-24

Make and Follow a Route ....................................................... 2-26

Review Your Passage Plan ...................................................... 2-28

Displaying the Radar and Synchronising Radar & Chart ........... 2-30

Chapter 3: Standard Radar Operations ............................................ 3-1

3.1 Introduction .............................................................................. 3-1

3.2 Range Control .......................................................................... 3-2

Changing the Range ................................................................. 3-2

The Standard Range Scale ................................................... 3-2

Determining Actual Radar Range .............................................. 3-3

3.3 Interpreting and Adjusting the Radar Picture .............................. 3-4

Identifying False Echo Returns .................................................. 3-5

Side Lobes .......................................................................... 3-5

Indirect Echoes ................................................................... 3-6

Multiple Echoes .................................................................. 3-6

Blind Sectors or Shadow Effect ............................................ 3-6

153_toc_3.p65 23/12/99, 09:225

Raytheon R80 User Manual

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