TABLE OF CONTENTS
x
7.3.2 Dual frequency display...................................................................................7-3
7.3.3 Zoom displays................................................................................................ 7-4
7.3.4 A-scope display (monitoring only)..................................................................7-5
7.3.5 Bottom discrimination display.........................................................................7-6
7.4 How to Select the Range ...........................................................................................7-7
7.5 How to Adjust the Gain ..............................................................................................7-7
7.5.1 Automatic gain adjustment.............................................................................7-7
7.5.2 Manual gain adjustment.................................................................................7-8
7.6 How to Reduce Clutter...............................................................................................7-9
7.7 Picture Advance Speed............................................................................................7-10
7.8 How to Reduce Interference ....................................................................................7-11
7.9 How to Erase Unnecessary Echoes.........................................................................7-11
7.10 How to Measure Range, Depth to an Object ...........................................................7-12
7.11 Echo History Display................................................................................................7-12
7.12 How to Balance Echo Strength ................................................................................7-13
7.13 Fish Finder Alarms...................................................................................................7-14
7.13.1 How to set an alarm .....................................................................................7-14
7.13.2 How to activate or deactivate an alarm........................................................ 7-15
7.13.3 Alarm sensitivity ...........................................................................................7-15
7.14 ACCU-FISH
™
...........................................................................................................7-16
7.14.1 How to set ACCU-FISH
™
.............................................................................7-16
7.14.2 Fish size correction ...................................................................................... 7-17
7.14.3 How to turn the fish symbol indication on or off ...........................................7-17
7.14.4 How to display the fish information ..............................................................7-17
7.14.5 How to set the minimum size of ACCU-FISH
™
symbols .............................7-17
7.15 RezBoost
™
...............................................................................................................7-18
7.16 White Edge...............................................................................................................7-18
7.17 Water Temperature Graph.......................................................................................7-19
7.18 Preset Frequency ....................................................................................................7-20
7.19 Fish Finder Menu ....................................................................................................7-22
7.20 Interpreting the Display ............................................................................................ 7-26
8. MULTI BEAM SONAR DFF-3D .............................................................................8-1
8.1 Menu Operations........................................................................................................ 8-1
8.1.1 How to start/stop transmission.......................................................................8-1
8.1.2 How set the background color........................................................................8-1
8.1.3 How to adjust the bottom range shift.............................................................. 8-2
8.1.4 How to change the transmission rate.............................................................8-2
8.2 Display Screens Overview .........................................................................................8-3
8.3 Multi-Sounder Display Operations .............................................................................8-6
8.3.1 How to switch between TX and STBY ...........................................................8-6
8.3.2 How to switch between single beam and triple beam presentations.............. 8-6
8.3.3 How to set the TX beam angle....................................................................... 8-6
8.3.4 How to set the TX beam width .......................................................................8-7
8.3.5 How to change the picture advance speed....................................................8-7
8.3.6 How to change the display mode...................................................................8-7
8.3.7 How to show or hide the depth and frequency indications.............................8-7
8.3.8 Availability of points and event marks registration, and go to a point ............ 8-8
8.4 Side Scan Display Operations ................................................................................... 8-8
8.4.1 How to switch between TX and STBY ...........................................................8-9
8.4.2 How to change echo color..............................................................................8-9
8.4.3 How to show or hide the depth and frequency indications.............................8-9
8.4.4 Availability of points and event marks registration, and go to a point ............ 8-9
8.5 Cross Section Display Operations ...........................................................................8-10
8.5.1 How to switch between TX and STBY .........................................................8-10
8.5.2 How to show or hide the grid........................................................................ 8-10