Raymarine RL70C Owner's Handbook Manual page 8

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Chapter 3: Standard Radar Operations ............................................. 51
2.3 Controlling the Display ...............................................................25
Selecting the Mode of Operation .................................................25
Selecting a Half-Screen Window for Display ..........................26
Switching Control Between Radar & Chart Screens ................29
Returning to the Full-Screen Display ......................................29
Customising the Screen Presentation Options .............................. 31
Switching the Cursor Data Box On and Off .............................31
Switching Radar Range Rings or Chart Grid On and Off ..........31
Data Boxes ...........................................................................32
Waypoint Display - Radar mode ............................................ 32
Custom Options - Chart mode ................................................33
2.4 Radar Display Control Functions.................................................34
Using the Zoom Function ............................................................34
Offsetting the Centre .................................................................. 35
Hiding the Ship's Heading Marker (SHM) ...................................36
2.5 Chart Display Control Functions ................................................37
Moving Around the Chart ...........................................................37
Changing the Chart Centre .....................................................37
Using FIND SHIP .................................................................38
Changing the Chart Scale ....................................................... 39
2.6 Typical Chart Scenarios...............................................................41
Place and Goto A Waypoint ..............................................................42
Make and Follow a Route.................................................................. 44
Review Your Passage Plan ................................................................46
Displaying the Radar and Synchronising Radar & Chart .....................48
3.1 Introduction ................................................................................ 51
3.2 Range Control .............................................................................52
Changing the Range ................................................................... 52
The Standard Range Scale .....................................................52
Determining Actual Radar Range ................................................53
3.3 Interpreting and Adjusting the Radar Picture ............................... 54
Identifying False Echo Returns ....................................................55
Side Lobes ............................................................................55
Indirect Echoes .....................................................................56
Multiple Echoes .................................................................... 56
Blind Sectors or Shadow Effect ..............................................56
HSB Series LCD Display Unit