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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
Setting Distances Between Net Sonde Transmitters............................................................7-16
Observing Net Behavior ......................................................................................................7-17
Port/Starboard, Horizontal Slice Displays ...........................................................................7-18
Turning Marks, Data On/Off ...............................................................................................7-20
SAVING, REPLAYING PICTURE
Initializing Memory Cards.....................................................................................................8-1
Saving the Picture ..................................................................................................................8-2
Transferring Echo Data from Internal Memory to Memory Card .........................................8-2
Saving Net Shooting Data .....................................................................................................8-3
Replaying Saved Data ...........................................................................................................8-4
Deleting Memory Card Contents...........................................................................................8-4
INTERPRETING THE DISPLAY
Seabed Echoes .......................................................................................................................9-1
Fish Schools...........................................................................................................................9-2
Sea Surface Reflections .........................................................................................................9-3
Wake ......................................................................................................................................9-3
False Echo by Sidelobe..........................................................................................................9-4
Noise and Interference ...........................................................................................................9-4
WARNINGS
Overvoltage Warning ...........................................................................................................10-1
Unretracted Transducer Warning .........................................................................................10-1