Furuno FSV-84 Operator's Manual page 11

4.22.3 Sea surface reflections.............................................................................4-46
4.22.4 Wake........................................................................................................4-46
4.22.5 False echo by sidelobe ............................................................................4-47
4.22.6 Noise and interference .............................................................................4-47
5. ECHO SOUNDER MODE ..............................................................................5-1
5.1 Basic Operating Procedure ...................................................................................5-1
5.2 Typical Echo Sounder Displays .............................................................................5-2
5.2.1 Echo sounder 1 display................................................................................5-2
5.2.2 Echo sounder 2 (net recorder or echo sounder) display...............................5-3
5.2.3 Echo sounder combination mode (ES1 + ES2) ............................................5-4
5.3 Selecting an Echo Sounder Mode.........................................................................5-6
5.4 Selecting Display Range........................................................................................5-8
5.5 Adjusting the Gain................................................................................................5-10
5.6 Picture Advance Speed........................................................................................5-11
5.7 Measuring Depth, Distance .................................................................................5-12
5.8 Comparing Fish School Concentration ...............................................................5-13
5.9 ES1 SETTING Menu Overview ...........................................................................5-15
5.10 ES2 SETTING Menu Overview ...........................................................................5-16
6. HISTORY MODE ............................................................................................6-1
6.1 Basic Operating Procedure ...................................................................................6-1
6.2 Sample History Display..........................................................................................6-2
6.3 How to Interpret, Set the History Display ..............................................................6-3
6.3.1 Interpreting the history display .....................................................................6-3
6.3.2 Setting the history marker ............................................................................6-4
6.3.3 Setting the width of the history marker .........................................................6-5
6.3.4 Setting the picture advance mode................................................................6-6
7. NUMERIC/GRAPHIC DATA DISPLAY ..........................................................7-1
7.1 Full Numeric/Graphic Data Display .......................................................................7-1
7.2 Abbreviated Numeric/Graphic Data Display .........................................................7-2
7.3 Numeric/Graphic Data Description........................................................................7-3
8. CUSTOMIZING THE EQUIPMENT................................................................8-1
8.1 User Menu..............................................................................................................8-1
8.1.1 Deleting items from user menu ....................................................................8-1
8.1.2 Programming the user menu........................................................................8-2
8.2 Function Keys (F1-F6) ...........................................................................................8-4
8.2.1 Executing a function.....................................................................................8-4
8.2.2 Programming function keys..........................................................................8-6
8.2.3 Erasing programs.........................................................................................8-7
8.3 USER PROG Control.............................................................................................8-8
8.3.1 Selecting a user program .............................................................................8-8
8.3.2 Programming the USER PROG control........................................................8-8
9. OTHERS MENU .............................................................................................9-1
9.1 ERASE MARKS menu...........................................................................................9-1
9.2 DISPLAY SETTING menu .....................................................................................9-2
9.2.1 Opening the DISPLAY SETTING menu........................................................9-2
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