Seiwa SWRx series - Manual (Page 4)

6 User Manual
2.3.2.1 Handling of Heading Marker ................................................... 25
2.3.3 Degree Scale ............................................................................... 25
2.3.4 Range Rings ............................................................................... 26
2.3.5 Compass Rose ............................................................................... 26
2.3.6 EBL & VRM ............................................................................... 27
2.3.6.1 Handling of EBL/VRM ............................................................. 28
2.3.7 Parallel Cursor ............................................................................... 28
2.3.7.1 Handling of Parallel Cursor ..................................................... 28
2.3.8 Center Offset ............................................................................... 29
2.3.8.1 Handling of Center Offset ....................................................... 29
2.3.9 AIS Target ............................................................................... 29
2.4 CHART FEATURES ............................................................................... 29
2.4.1 Chart Overlay Mode ........................................................................... 29
2.4.2 Chart Synchronization ....................................................................... 30
2.4.3 Cursor Echo ............................................................................... 30
2.4.4 Waypoints ............................................................................... 30
2.4.5 Marks ............................................................................... 31
2.4.6 Info on Objects ............................................................................... 31
2.5 GUARD ZONES ............................................................................... 31
2.5.1 Handling of Guard Zone ..................................................................... 31
2.5.2 Guard Zone Sensitivity ....................................................................... 32
3. Radar Pages ............................................................................... 33
3.1 PAGES SELECTION ............................................................................... 33
3.1.1 Selection by Soft Key ......................................................................... 33
3.2 STATUS BAR ............................................................................... 34
3.3 MENU HANDLING ON FULL PAGES ................................................................. 35
3.4 SELECTION OF THE "ACTIVE" VIEW IN SPLIT/COMBO PAGES ............................ 35
4. Technical Specifications ............................................................................... 37
4.1 SWR 1 ............................................................................... 37
Antenna unit ............................................................................... 37
Dimensions and Mounting ............................................................................ 37
4.2 SWR 8 ............................................................................... 38
Antenna unit ............................................................................... 38
Dimensions and Mounting ............................................................................ 39
4.3 SWR 9 ............................................................................... 39
Antenna unit ............................................................................... 39
Dimensions and Mounting ............................................................................ 40
4.4 SWR 10 ............................................................................... 41
Antenna unit ............................................................................... 41
Dimensions and Mounting ............................................................................ 41
5. Troubleshooting ............................................................................... 43
6. Frequently Asked Questions ............................................................................ 45
A. What is Radar? ............................................................................... 49
A.1 GENERAL ............................................................................... 49
A.1.1 Antenna ............................................................................... 49
A.1.2 Side Lobe ............................................................................... 49
A.2 CHARACTERISTICS OF RADAR WAVE ............................................................. 50
A.2.1 Targets difficult to display on screen .................................................... 50
A.2.2 Shadow zones of Radar ...................................................................... 50
A.2.3 False echoes ............................................................................... 51
A.2.3.1 Ghost echoes ....................................................................... 51
A.2.3.2 Multiple echoes ..................................................................... 51
A.2.3.3 False echoes caused by side lobe ............................................ 51
A.2.3.4 Distant False echoes caused by duct phenomenon ..................... 52
A.2.3.5 Radar interference ................................................................ 52
B. Installation ............................................................................... 53
B.1 MORE INSTALLATION CONSIDERATIONS ........................................................ 53
B.1.1 Shifting from keel line ........................................................................ 53
B.1.2 Obtaining sufficient dip angle .............................................................. 53
B.2 INSTALLING SCANNER UNIT ......................................................................... 53
Analytical Index ............................................................................... 55