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TABLE OF CONTENTS
FOREWORD ........................................................................................................ vi
SYSTEM CONFIGURATION............................................................................... vii
1. OPERATIONAL OVERVIEW......................................................................... 1-1
1.1 Controls..................................................................................................................... 1-1
1.2 Menu Operation ........................................................................................................ 1-2
1.2.1 How to use the main menu ............................................................................ 1-2
1.2.2 How to use the pop-up menus ....................................................................... 1-5
1.3 Turning the Power On/Off.......................................................................................... 1-6
1.4 Transmitting, Receiving............................................................................................. 1-7
1.5 Displays .................................................................................................................... 1-8
1.5.1 Choosing a display......................................................................................... 1-8
1.5.2 Split-beam display.......................................................................................... 1-9
1.5.3 Three-beam display ..................................................................................... 1-10
1.5.4 Split-beam + two-beam display .....................................................................1-11
1.5.5 User 1, User 2, User 3 display ..................................................................... 1-12
1.6 Choosing a Display Range...................................................................................... 1-13
1.7 Shifting the Display Range ...................................................................................... 1-15
1.8 Adjusting the Gain................................................................................................... 1-16
1.9 Find Depth and Position of a Fish Echo................................................................... 1-17
1.10 Inscribing Lines ....................................................................................................... 1-18
1.11 Fish Size Histogram................................................................................................ 1-18
1.12 Setting Measuring Area........................................................................................... 1-20
1.12.1 Measuring fish in a specific location............................................................. 1-20
1.12.2 Measuring fish in all areas ........................................................................... 1-21
1.12.3 Measuring fish in a specific depth range ...................................................... 1-21
1.12.4 Measuring bottom fish.................................................................................. 1-21
1.13 Suppressing Low Level Noise (Clutter suppression)................................................ 1-23
1.14 Eliminating Weak Echoes........................................................................................ 1-24
1.15 Suppressing Unwanted Noise ................................................................................. 1-24
1.16 Picture Advance Speed ........................................................................................... 1-25
1.17 A-scope Display ...................................................................................................... 1-27
1.18 Alarms..................................................................................................................... 1-28
1.18.1 Alarm description ......................................................................................... 1-28
1.18.2 Enabling, disabling an alarm........................................................................ 1-29
1.18.3 Setting audio alarm volume.......................................................................... 1-30
1.19 Function Keys ......................................................................................................... 1-31
1.19.1 Using the function keys................................................................................ 1-31
1.19.2 Programming the function keys.................................................................... 1-31
1.20 Saving, Recalling User Settings .............................................................................. 1-32
1.20.1 Saving user settings..................................................................................... 1-32
1.20.2 Loading user settings................................................................................... 1-33
1.21 Recording, Replaying Data...................................................................................... 1-35
1.21.1 Choosing where to record data .................................................................... 1-35
1.21.2 Recording data............................................................................................. 1-37