Raymarine H6 Owner'S Manual Download

Page: 5 / 192

Making a target clearer ................................................................................. 60
Setting up the radar display .......................................................................... 61

Changing the displayed range .......................................................... 61

Marking a position on the radar screen ......................................................... 61
Using radar to help avoid a collision ............................................................. 62

Range rings ...................................................................................... 63
VRMs/EBLs. ...................................................................................... 63

MARPA ......................................................................................................... 65

Safety Notices ................................................................................... 65

Introduction to MARPA ................................................................................. 65

Assessing a risk ................................................................................ 66
Target acquisition ............................................................................. 66
Target vectors and history ................................................................. 67
Acquiring MARPA targets ................................................................. 67
Cancelling a MARPA target .............................................................. 69
Viewing MARPA target data ............................................................. 69

Radar Tools and Controls ....................................................................................71

Tools ............................................................................................................. 71
Controls ........................................................................................................ 72

Using sonar ............................................................................................................75

Introduction .................................................................................................. 75
The sonar screen  ........................................................................................... 75
Displaying sonar  ........................................................................................... 76
Changing the screen  ..................................................................................... 76

Background color ............................................................................. 76
Scrolling speed ................................................................................. 77
Target depth ID ................................................................................. 78

Improving the underwater view .................................................................... 79

Changing the range .......................................................................... 79
Operating frequency ......................................................................... 80

Making the picture clearer ............................................................................ 81
Getting a clearer picture of the bottom ......................................................... 82

Using A-scope .................................................................................. 83
Isolating objects near the bottom ..................................................... 85
How do I get a closer view of an image? ........................................... 85

81238_1.book Page v Thursday, September 16, 2004 2:49 PM