vii 
CONTENTS 
 
FOREWORD .......................................................................................I 
BEFORE COMMENCING THE OPERATION.....................................II 
PRECAUTIONS UPON THE OPERATION........................................III 
APPEARANCE OF THE EQUIPMENT............................................. VI 
 
SECTION 1  EQUIPMENT OVERVIEW.........................................1-1 
1.1 FUNCTIONS ........................................................................................ 1-1 
1.2 FEATURES .......................................................................................... 1-1 
1.3 CONFIGURATION ............................................................................... 1-2 
1.4 CONSTRUCTION ................................................................................ 1-3 
1.5 SYSTEM DIAGRAM ............................................................................ 1-5 
 
SECTION 2  INSTALLATION .........................................................2-1 
2.1 SENSOR INSTALLATION.................................................................... 2-2 
2.2 DISPLAY UNIT INSTALLATION........................................................... 2-8 
2.3 CABLE CONNECTION ...................................................................... 2-10 
 
SECTION 3  NAMES AND FUNCTIONS OF EACH UNIT.............3-1 
3.1  NWZ-4700  DISPLAY UNIT................................................................ 3-1 
3.2  NNN-20/30  SENSOR UNIT ............................................................... 3-3 
 
SECTION 4  DISPLAY ...................................................................4-1 
4.1 DISPLAY SCREEN .............................................................................. 4-1 
4.1.1 Compass Screen............................................................................ 4-2 
4.1.2 Bow Heading Screen...................................................................... 4-3 
4.1.3 Navigation Screen .......................................................................... 4-3 
4.1.4 Turn Rate Screen ........................................................................... 4-4 
4.1.5  Water Speed / Ground Speed Screen ............................................ 4-5 
4.1.6 Configuration Screen...................................................................... 4-5 
 
SECTION 5  OPERATION .............................................................5-1 
5.1 MENU LIST.......................................................................................... 5-1 
5.1.1 Menu List........................................................................................ 5-1 
5.2 BASIC OPERATION ............................................................................ 5-3 
5.2.1 Turning the Unit On ........................................................................ 5-3 
5.2.1.1 Startup (Standard).................................................................... 5-3 
5.2.1.2 Startup (Error-1)....................................................................... 5-4 
5.2.1.3 Startup (Error-2)....................................................................... 5-4 
5.2.1.4 Startup (Error-3)....................................................................... 5-5 
5.2.2 Turning the Unit Off ........................................................................ 5-5 
5.2.3 Adjusting the Backlight ................................................................... 5-6 
5.2.4 Adjusting the Contrast .................................................................... 5-6 
5.2.5 Stopping the Alarm Buzzer ............................................................. 5-7 
5.2.6 Changing the Display ..................................................................... 5-7 
5.2.7 Displaying Satellite Information ...................................................... 5-8