ii
TABLE OF CONTENTS
TABLE OF CONTENTS ...................................... ii
INTRODUCTION ................................................ iii
PRINCIPLE OF OPERATION.............................. v
SYSTEM CONFIGURATION .............................. vi
1. CONTROLS, INDICATIONS
1.1
Control Description ............................. 1-1
1.2
Indications .......................................... 1-2
2. BASIC OPERATION
2.1
Turning the Power On/Off ................... 2-1
2.2
Adjusting Brilliance.............................. 2-1
2.3
Display Mode Selection, Description ... 2-1
2.4
Adjusting Gain .................................... 2-6
2.5
Automatic Operation ........................... 2-6
2.6
Selecting Picture Advance Speed ....... 2-7
2.7
Display Range Selection ..................... 2-7
2.8
Erasing Weak Echoes......................... 2-8
2.9
Measuring Depth to a Fish School....... 2-9
2.10 A-scope Display.................................. 2-9
2.11 Menu Operation ................................ 2-10
2.12 Suppressing Interference .................. 2-13
2.13 Suppressing Low Level Noise ........... 2-13
2.14 Selecting Background and
Echo Colors ...................................... 2-14
2.15 Alarms .............................................. 2-14
2.16 White Marker .................................... 2-16
2.17 Demonstration Picture....................... 2-16
2.18 Correcting Speed/Water
Temperature Readout........................ 2-17
3. INTERPRETING THE DISPLAY
3.1
Zero Line ............................................ 3-1
3.2
Fish School Echoes ............................ 3-1
3.3
Bottom Echo ....................................... 3-1
3.4
Surface Noise/Aeration ....................... 3-2
4. MAINTENANCE, TROUBLESHOOTING
4.1
Maintenance ....................................... 4-1
4.2
Basic Troubleshooting......................... 4-3
4.3
Diagnostics ......................................... 4-4
4.4
Transducer Check ............................... 4-5
4.5
Speed/Water Temperature
Sensor (option) Check......................... 4-5
4.6
Restoring Default Settings................... 4-5
MENU TREE ................................................... A-1
SPECIFICATIONS ......................................... SP-1
INDEX
