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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
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