Raytheon R80 Owner's Handbook Manual page 7

Contents
153_toc_3.p65
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
5 23/12/99, 09:22
v