Furuno CSH-23F/24F - Manual (Page 6)

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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 (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