User Manual and Operating Guide

i
v
FUNCTION KEYS
Programming the Function Keys...........................................................................................................6-1
Replaying a Function Key.....................................................................................................................6-2
Function Key Fine Tuning ....................................................................................................................6-2
Saving Function Key Settings to a Memory Card..................................................................................6-3
Replaying Function Key Settings from a Memory Card.........................................................................6-3
ADVANCED LEVEL OPERATION
Finding Fish School Center...................................................................................................................7-1
Tracking a Fish School (target lock)......................................................................................................7-2
Detecting Fish Schools Aurally.............................................................................................................7-7
The Fish Alarm.....................................................................................................................................7-8
Relocating Fish School for Easy Observation........................................................................................7-9
Comparing of Fish School Concentration............................................................................................7-10
Measuring Fish School Speed .............................................................................................................7-11
The Event Mark..................................................................................................................................7-12
True Motion Display...........................................................................................................................7-14
Plotting Net Location Mark.................................................................................................................7-15
Observing Net Behavior......................................................................................................................7-16
Target Slice Display............................................................................................................................7-17
VERTICAL SCANNING DISPLAY
Using Vertical Scanning Display...........................................................................................................8-1
Application to Bonito and Tuna Fishing................................................................................................8-2
PORT/STARBOARD, HORIZONTAL SLICE DISPLAYS
Port/Starboard display...........................................................................................................................9-1
Horizontal slice display.........................................................................................................................9-2
MEMORY CARD OPERATIONS
Initializing Memory Cards..................................................................................................................10-1
Saving the Picture...............................................................................................................................10-2
Transferring Echo Data from Internal Memory to Memory Card.........................................................10-2
Saving Net Shooting Data...................................................................................................................10-3
Replaying Saved Data.........................................................................................................................10-4
Deleting Memory Card Contents.........................................................................................................10-4
TURNING MARKS, DATA ON/OFF ................................................................. 11-1
INTERPRETING THE DISPLAY
Seabed Echoes....................................................................................................................................12-1
Fish Schools .......................................................................................................................................12-2
Sea Surface Reflections ......................................................................................................................12-3
Wake ..................................................................................................................................................12-3
False Echo by Sidelobe.......................................................................................................................12-4
Noise and Interference........................................................................................................................12-4