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10.3.2 Backup by internal memory..........................................................................10-10
10.4 Internal Memory .....................................................................................................10-11
10.4.1 Saving data to internal memory ...................................................................10-11
10.4.2 Displaying tracks and marks stored in the internal memory..........................10-12
10.4.3 Playing back data from the internal memory ................................................10-14
10.5 Uploading, Downloading Data................................................................................10-15
10.5.1 Downloading data ........................................................................................10-15
10.5.2 Uploading data.............................................................................................10-17
11. VIDEO SOUNDER OPERATION ............................................................... 11-1
11.1 Principle of Operation...............................................................................................11-1
11.2 Sounder Displays .....................................................................................................11-2
11.2.1 Single frequency display (50 kHz or 200 kHz)................................................11-2
11.2.2 Dual-frequency display ..................................................................................11-3
11.2.3 Marker-zoom display (50 kHz or 200 kHz) .....................................................11-4
11.2.4 Bottom-zoom display (50 kHz or 200 kHz).....................................................11-4
11.2.5 Bottom-lock display (50 kHz or 200 kHz) .......................................................11-5
11.2.6 Bottom discrimination display (50 kHz or 200 kHz) ........................................11-5
11.2.7 A-scope display (Single display only).............................................................11-6
11.2.8 Mix display.....................................................................................................11-7
11.2.9 Plotter (or Pilot)/sounder display ....................................................................11-8
11.3 Automatic Sounder Operation ..................................................................................11-9
11.4 Manual Sounder Operation ....................................................................................11-12
11.4.1 Selecting the manual mode..........................................................................11-12
11.4.2 Selecting display range................................................................................11-13
11.4.3 Shifting the basic range ...............................................................................11-14
11.4.4 Adjusting gain ..............................................................................................11-15
11.5 Measuring Depth, Time ..........................................................................................11-16
11.6 Entering Mark on the Display .................................................................................11-18
11.7 Reducing Interference............................................................................................11-19
11.8 Reducing Low-Level Noise.....................................................................................11-20
11.9 White Marker..........................................................................................................11-21
11.10 Display Colors.......................................................................................................11-22
11.11 Customizing Colors...............................................................................................11-23
11.12 Erasing Weak Echoes...........................................................................................11-24
11.13 Picture Advance Speed.........................................................................................11-25
11.14 Reviewing Past Picture.........................................................................................11-26
11.15 Alarms ..................................................................................................................11-27
11.15.1 Audio alarm on/off......................................................................................11-28
11.15.2 Fish alarm..................................................................................................11-29
11.15.3 Fish alarm (B/L) .........................................................................................11-30
11.16 Programmable Key Setup.....................................................................................11-31
11.17 Setting the DISPLAY MODE Screen .....................................................................11-33
11.18 ECHO SOUNDER SYSTEM SETUP Menu...........................................................11-35
11.19 ECHO SOUNDER RANGE SETUP Menu.............................................................11-38
11.20 Interpreting the Sounder Display...........................................................................11-39