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FUNCTION KEYS
Programming the Function Keys ...........................................................................................6-1
Replaying a Function Key .....................................................................................................6-1
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 ..........................................................................................................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
Reducing Sea Surface Reflections .......................................................................................7-17
Boosting Tx Power ..............................................................................................................7-17
PORT/STARBOARD, HORIZONTAL SLICE DISPLAYS
Port/Starboard Display ..........................................................................................................8-1
Horizontal Slice Display ........................................................................................................8-2
SAVING, REPLAYING PICTURE
Initializing Memory Cards.....................................................................................................9-1
Saving the Picture ..................................................................................................................9-2
Transferring Echo Data from Internal Memory to Memory Card .........................................9-2
Saving Net Shooting Data .....................................................................................................9-3
Replaying Saved Data ...........................................................................................................9-4
Deleting Memory Card Contents ...........................................................................................9-4
TURNING MARKS, DATA ON/OFF ..................................................................10-1
INTERPRETING THE DISPLAY
Seabed Echoes .....................................................................................................................11-1
Fish Schools .........................................................................................................................11-2
Sea Surface Reflections ....................................................................................................... 11-3
Wake .................................................................................................................................... 11-3
False Echo by Sidelobe........................................................................................................ 11-4
Noise and Interference ......................................................................................................... 11-4