Furuno MODEL CSH-73 - Manual (Page 5)

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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