Furuno CH-270 Manual do Utilizador descarregar pdf (Página 72)

3. VERTICAL SCAN MODE

3-18

Display of net hauling

This is an example of net hauling display. The location of the net is indicated clearly.

FORE

AFT

Net

Net hauling and sonar picture

False echo

In shallow water (depth less than 100 m) detection, unwanted echoes as shown in the

figure below may appear. This phenomenon is caused by the false echo from the previous

transmission. Reducing the Tx rate on the COM1 menu may lessen this effect.

Range

False echo

Bottom

Fish

PORT STBD

False echoes

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 117 118

OPERATOR'S MANUAL 1
Printed in Japan 2
IMPORTANT NOTICES 3
SAFETY INSTRUCTIONS 4
WARNING LABELS 5
TABLE OF CONTENTS 6
Features 9
FOREWORD 10
Usage Precautions 10
SYSTEM CONFIGURATION 11
1.1 Control Description 13
1. OPERATIONAL OVERVIEW 14
1.2 Remote Controller 14
1.5 Choosing a Display 18
1.7 Adjusting the Gain 19
1.8 Basic Menu Operation 20
2.1 Operational Overview 21
2. HORIZONTAL MODE 22
2.3 Choosing the Range 23
2.4 Choosing Sector Width 24
2.5 Choosing Train Center 25
2.6 Choosing the Tilt Angle 26
2.9 Event Marker 31
2.11 Adjusting the Picture 33
2.12 Target Lock 39
3.1 Operational Overview 55
3. VERTICAL SCAN MODE 56
3.3 Choosing the Range 60
3.4 Choosing Train Center 60
3.5 Choosing Display Sector 61
3.6 Choosing Sector Center 62
3.7 Choosing the Tilt Speed 63
3.9 Event Marker 64
⊕) is inscribed 64
3.11 Adjusting the Picture 66
4.1 Operational Overview 73
4. ECHO SOUNDER MODE 74
4.3 Choosing the Range 75
4.4 Train Direction 76
4.5 Choosing Tilt Angle 76
4.8 Event Marker 77
⊕) is inscribed at 77
4.9 Range Marker 79
4.10 Adjusting the Picture 80
5.1 COM1 Menu 85
5.2 COM2 Menu 86
5.4 SYSTEM Menu 92
ETA marker 94
NO YESARE YOU SURE? : 96
: CHANGE MENU: END 96
** FACTORY SETTING ** 96
5. MENU OPERATION 100
5.4.9 Language 102
5.4.10 System backup 102
5.4.11 Loading backup data 102
6.1 Preventive Maintenance 105
6.2 Cleaning the Equipment 105
6.3 Hull Unit Maintenance 106
6.4 Transducer Maintenance 107
6.5 Fuse Replacement 107
6.6 Troubleshooting 108
6.7 Error Messages 109
6.8 Diagnostics 110
6.9 Test Pattern 112
MENU TREE 113
SPECIFICATIONS 115
4. I/O INTERFACE 116
5. POWER SUPPLY 116
6. ENVIRONMENTAL CONDITIONS 116
7. COATING COLOR 116

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Furuno CH-270 Manual do Utilizador Página 72

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