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iv
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