iv
TABLE OF CONTENTS
FOREWORD ............................... v
SYSTEM CONFIGURATION ..... vi
EQUIPMENT LISTS.................. vii
1. OPERATION ........................... 1
1.1 Control Description......................... 1
1.2 Power On/Off ................................. 2
1.3 Adjusting Display Contrast and
Brilliance......................................... 2
1.4 Choosing a Display Mode .............. 2
1.5 Choosing Range ............................ 5
1.6 Adjusting Gain................................ 5
1.7 Measuring Depth............................ 6
1.8 Menu Operating Procedure............ 6
1.9 Shifting Range................................ 7
1.10Choosing Picture Advance Speed
....................................................... 7
1.11Suppressing Interference ............... 8
1.12Suppressing Low Level Noise........ 9
1.13Erasing Weak Echoes.................... 9
1.14A-Scope Display........................... 10
1.15Fish Information ........................... 10
1.16Alarms .......................................... 11
1.17FUNC Key .................................... 13
1.18Waypoints .................................... 13
1.19Setting Up Nav Data Displays...... 15
1.20Menu Items .................................. 16
2. SYSTEM MENU .................... 20
2.1 Displaying System Sub Menu ...... 20
2.2 Range Menu................................. 20
2.3 Key Menu ..................................... 20
2.4 Lang Menu ................................... 20
2.5 Units Menu ................................... 21
2.6 Calib Menu ................................... 21
2.7 Demo Menu.................................. 21
3. MAINTENANCE, TROUBLE-
SHOOTING ........................... 22
3.1 Maintenance................................. 22
3.2 Cleaning the Display Unit............. 22
3.3 Transducer Maintenance ............. 22
3.4 Replacing the Fuse ...................... 22
3.5 Battery Voltage Alert .................... 22
3.6 Troubleshooting ........................... 23
3.7 Diagnostics................................... 23
3.8 Test Pattern.................................. 24
3.9 Memory Clear............................... 24
4. INSTALLATION ....................25
4.1 Display Unit.................................. 25
4.2 Thru-hull Mount Transducer......... 26
4.3 Transom Mount Transducer......... 28
4.4 Inside-hull Transducer ................. 28
4.5 Triducer........................................ 30
4.6 Optional Water Temperature/Speed
Sensor.......................................... 33
4.7 Optional Water Temperature
Sensor.......................................... 33
4.8 Wiring........................................... 34
4.9 IEC 61162-1 Data Sentences ...... 36
4.10 Adjustments after Installation....... 37
MENU TREE .............................38
SPECIFICATIONS ................ SP-1
OUTLINE DRAWINGS............ D-1
INTERCONNECTION
DIAGRAM ............................... S-1
Declaration of Conformity