TABLE OF CONTENTS
vii
6.8.1 How to display the range rings ...................................................................... 6-6
6.8.2 How to set the number of the range rings to show ........................................ 6-6
6.8.3 How to select the range rings mode .............................................................. 6-7
6.8.4 How to measure the range and bearing to an object..................................... 6-8
6.8.5 How to measure the range with the VRM...................................................... 6-8
6.8.6 How to measure the bearing with the EBL .................................................. 6-10
6.8.7 How to select the EBL reference ................................................................. 6-11
6.9 How to Measure the Range and Bearing Between Two Targets ............................ 6-12
6.10 How to Off-center the Picture .................................................................................. 6-12
6.11 Heading Line ........................................................................................................... 6-13
6.12 How to Reduce Radar Interference ......................................................................... 6-13
6.13 Guard Zone ............................................................................................................. 6-13
6.13.1 How to set the guard zone........................................................................... 6-13
6.13.2 How to activate or deactivate the guard zone ............................................. 6-14
6.13.3 How to hide the guard zone......................................................................... 6-14
6.14 Watchman ............................................................................................................... 6-14
6.15 How to Show, Hide or Cancel an Active Route ....................................................... 6-15
6.16 How to Show or Hide the Own Ship Icon ................................................................ 6-15
6.17 Echo Color............................................................................................................... 6-15
6.18 Background Color.................................................................................................... 6-16
6.19 Radar Overlay Range Link ...................................................................................... 6-16
6.20 Dual-Range Display................................................................................................. 6-17
6.21 Radar Menu............................................................................................................. 6-18
6.22 How to Interpret the Radar Display ......................................................................... 6-19
6.22.1 False echoes ............................................................................................... 6-19
6.22.2 Search and rescue transponder (SART) ..................................................... 6-21
6.22.3 Racon (Radar Beacon)................................................................................ 6-21
6.23 ARPA Operation ...................................................................................................... 6-22
6.23.1 How to show or hide the ARPA display ....................................................... 6-22
6.23.2 How to manually acquire a target ................................................................ 6-23
6.23.3 How to automatically acquire a target ......................................................... 6-23
6.23.4 How to display target data ........................................................................... 6-24
6.23.5 How to stop tracking targets ........................................................................ 6-24
6.23.6 How to clear a lost target............................................................................. 6-24
6.23.7 CPA/TCPA alarm......................................................................................... 6-25
7. FISH FINDER (SOUNDER) ...................................................................................7-1
7.1 How the Fish Finder Operates................................................................................... 7-1
7.2 How to Select a Display............................................................................................. 7-2
7.2.1 Single frequency display................................................................................ 7-2
7.2.2 Dual frequency display .................................................................................. 7-3
7.2.3 Zoom displays ............................................................................................... 7-3
7.2.4 A-scope display (display only) ....................................................................... 7-4
7.2.5 Bottom discrimination display ........................................................................ 7-5
7.3 Automatic Fish Finder Operation............................................................................... 7-5
7.3.1 How the automatic fish finder operates ......................................................... 7-5
7.3.2 How to select an automatic fish finder mode................................................. 7-6
7.4 Manual Fish Finder Operation ................................................................................... 7-6
7.4.1 How to select the manual mode .................................................................... 7-6
7.4.2 How to select the display range..................................................................... 7-6
7.4.3 How to shift the range.................................................................................... 7-6
7.4.4 How to adjust the gain ................................................................................... 7-7
7.4.5 How to reduce the clutter............................................................................... 7-7
7.5 Picture Advance Speed ............................................................................................. 7-8
7.6 How to Reduce Interference...................................................................................... 7-9
7.7 How to Measure Range, Depth to an Object............................................................. 7-9
