Furuno 1761 MARK-3 - Manual (Page 6)

iv
TABLE OF CONTENTS
FOREWORD .............................. iii
MENU TREE ............................... v
TABLE OF CONTENTS BY
INDICATION, MARKER ............. vi
SYSTEM CONFIGURATION..... vii
1. PRINCIPLE OF OPERATION
1.1 What is Radar? .............................. 1-1
1.2 How Ships Determined Position Before
Radar ............................................. 1-1
1.3 How Radar Determines Range ...... 1-1
1.4 How Radar Determines Bearing .... 1-1
1.5 Radar Wave Speed and Antenna
Rotation Speed .............................. 1-1
1.6 The Radar Display ......................... 1-1
2. OPERATION
2.1 Control Description ......................... 2-1
2.2 Turning the Radar On/Off ............... 2-2
2.3 Transmitting .................................... 2-2
2.4 Stand-by ......................................... 2-2
2.5 Selecting the Range ....................... 2-2
2.6 Adjusting Picture Brilliance ............. 2-2
2.7 Adjusting Receiver Sensitivity ........ 2-2
2.8 Adjusting the A/C SEA Control
(reducing sea clutter) ..................... 2-3
2.9 Adjusting the A/C RAIN Control
(reducing rain clutter) ..................... 2-4
2.10 Adjusting FTC ............................... 2-4
2.11 Turning the Radar Receiver ......... 2-4
2.12 Erasing the Heading Marker ........ 2-4
2.13 Select the Cursor Data Display .... 2-5
2.14 Turning the Range Ring On/Off ... 2-5
2.15 Measuring the Range ................... 2-5
2.16 Measuring the Bearing ................. 2-5
2.17 Shifting and Zooming the Display ......
..................................................... 2-6
2.18 Menu Operation ........................... 2-7
2.19 Echo Stretch ................................. 2-8
2.20 Suppressing Radar Interference .. 2-8
2.21 Adjusting Control Panel Brilliance ......
..................................................... 2-8
2.22 Selecting Ranges ......................... 2-9
2.23 EBL/Cursor Bearing Reference ... 2-9
2.24 Guard Alarm ................................. 2-9
2.25 Watchman .................................. 2-10
2.26 Plotting ........................................ 2-11
2.27 Navigation Data Display .............. 2-11
3. FALSE ECHOES
3.1 Multiple Echoes .............................. 3-1
3.2 Side-lobe Echoes ........................... 3-1
3.3 Indirect Echoes .............................. 3-2
3.4 Blind and Shadow Sectors ............. 3-2
3.5 SART (Search and Rescue
Transponder) ................................. 3-3
4. MAINTENANCE & TROUBLE-
SHOOTING
4.1 Preventive Maintenance ................ 4-1
4.2 Replacing the Fuse ........................ 4-1
4.3 Troubleshooting .............................. 4-2
4.4 Life Expectancy of Magnetron ....... 4-3
SPECIFICATIONS ................ SP-1
INDEX .....................................IN-1