Furuno FCV-668 Bedienungsanleitung

SAFETY INSTRUCTIONS

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

Only qualified personnel

should work inside the

equipment.

Immediately turn off the power at the

switchboard if water leaks into the

equipment or something is dropped in

the equipment.

Continued use of the equipment can cause

fire or electrical shock. Contact a FURUNO

agent for service.

Do not disassemble or modify the

equipment.

Fire, electrical shock or serious injury can

result.

Do not place liquid-filled containers on

the top of the equipment.

Fire or electrical shock can result if a liquid

spills into the equipment.

Immediately turn off the power at the

switchboard if the equipment is emitting

smoke or fire.

Continued use of the equipment can cause

fire or electrical shock. Contact a FURUNO

agent for service.

Make sure no rain or water splash leaks

into the equipment.

Fire or electrical shock can result if water

leaks in the equipment.

CAUTION

A warning label is attached to the equip-

ment. Do not remove the label. If the

label is missing or illegible, contact

a FURUNO agent or dealer.

WARNING

To avoid electrical shock, do not

remove cover. No user-serviceable

parts inside.

Name: Warning Label (1)

Type: 86-003-1011-0

Code No.: 100-236-230

WARNING

Keep heater away from equipment.

A heater can melt the equipment's power

cord, which can cause fire or electrical

shock.

Use the proper fuse.

Fuse rating is shown on the equipment.

Use of a wrong fuse can result in damage

to the equipment.

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

iii

INTRODUCTION

Congratulations on your choice of the FURUNO FCV-668 Color Video Sounder. We are

confident that you will enjoy many years of operation with this fine piece of equipment.

For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for quality and

reliability throughout the world. This dedication to excellence is furthered by our extensive global

network of agents and dealers.

The FCV-668 is just one of the many FURUNO developments in the field of echo sounding. The

compact, lightweight but rugged unit is easy to install and operate and is suitable for both fresh

and saltwater applications.

This unit is designed and constructed to withstand the rigors of the marine environment.

However, to obtain optimum performance from this unit, you should carefully read and follow the

recommended procedures for operation and maintenance. No machine can perform to the

utmost of its ability unless it is installed, operated and maintained properly.

We would appreciate feedback from you, the end-user, about whether we are achieving our

purposes.

Thank you for considering and purchasing FURUNO equipment.

Features

The FCV-668 color video sounder has a large variety of functions, all contained in a splash-proof

rugged plastic case that is compact to fit small boats.

The principal features of the FCV-668 are

•User-friendly design for simplified operation.

•A wide variety of display modes: bottom-lock expansion, marker zoom and bottom zoom

displays.

•Potent 300 W transceiver.

•8-color presentation (including background) on a 6" diagonal CRT, providing vivid

presentation of underwater conditions.

•AUTO function permits unattended range and gain setting operations. The range scale and

gain change automatically so that the bottom is displayed in red or reddish brown on the

lower half of the screen.

•A-scope display gives excellent bottom fish discrimination, vital for bottom trawler and

lobster/crab potter.

•Digital and analog displays of navigational data.

•Alarms: fish, bottom, water temperature (requires appropriate sensor).

•Six pulselengths for excellent performance on both shallow and deep ranges.

•Universal 12-24 VDC power supply drawing 30 W of power at maximum.

•Water temperature/speed sensor optionally available.

PRINCIPLE OF OPERATION

This Color Video Sounder determines the distance between its transducer and underwater

objects such as fish, lake bottom or seabed and displays the results on a 6-inch color screen.

It does this by utilizing the fact that an ultrasonic wave transmitted through water travels at a

nearly constant speed of 4800 feet (1500 meters) per second. When a sound wave strikes an

underwater object such as fish or sea bottom, part of the sound wave is reflected back toward

the source. Thus by calculating the time difference between the transmission of a sound wave

and the reception of the reflected sound wave, the depth to the object can be determined. In a

sense an echo sounder can be thought of as being an extremely sophisticated and quick timer,

since it is capable of resolving time differences shorter than one thousandth of a second.

The entire process begins in the display unit. Transmitter power is sent to the transducer as a

short pulse of electrical energy. The electrical signal produced by the transmitter is converted into

an ultrasonic signal by the transducer and transmitted into the water. Any reflected signals from

intervening objects (such as a fish school) are received by the transducer and converted back

into an electrical signal. It is then amplified in the amplifier section, and finally, displayed on the

screen.

The picture displayed by the color video sounder is made up of a series of vertical scan lines,

one for each transmission. Each line represents a "snapshot" of what has occurred beneath the

boat. The series of snapshots are accumulated side by side across the screen, and the resulting

contours of the bottom and fish between the bottom and surface are displayed. The amount of

history of objects that have passed beneath the boat over a series of transmission varies from

less than a minute to a few minutes, depending on how you adjust the unit.

SYSTEM CONFIGURATION

Standard supply

520-5PSC-A

Optional supply

520-5PWC

520-5MSC-A

520ST-PWA

524ST-MSA

Ship's mains

12-24 VDC

External equipment

(GPS navigator, etc.)

TRANSDUCER

SPEED, TEMPERATURE SENSOR (option)

Speed/temperature sensor

ST-02MSB

ST-02PSB

ST-01PTB

Temperature sensor

T-02MTB

T-02MSB

T-03MSB

DISPLAY UNIT

CV-668

1-1

1. CONTROLS, INDICATIONS

1.1 Control Description

The equipment is so designed that even a first time user can quickly become acquainted with

the operating procedure. Operation of each control or key is acknowledged by an alphanumeric

message or symbol indication on the screen.

Control Function

SHIFT-, SHIFT+

(Appears in text as [-], [+].) • Change display start depth.

• Select options on menus.

BRILL Adjusts brilliance of display.

AUTO Turns the automatic sounder adjustment feature on/off.

ADVANCE (BRILL + AUTO) Pressing the BRILL and AUTO keys together selects display

advancement speed.

SIG LEV Eliminates low intensity echoes (up to light-blue echoes) in two

steps.

ALARM Opens/closes the alarm menu.

A-SCOPE (SIG LEV +ALARM) Pressing the SIG LEV andALARM keys together displays the

A-scope display at the right 1/4 of the screen.

MARKER ▲, MARKER ▼

(Appears in text as [▲], [▼].) • Shift the Variable Range Marker (VRM).

• Set alarm zone.

• Select menu items.

• Set white marker.

RANGE Sets the basic range of the display.

GAIN Adjusts receiver sensitivity.

MODE • Turns unit on/off.

• Selects display mode.

1-2

1.2 Indications

Water

temperature*

Speed*

Noise Limiter

Picture Advance Speed

Signal Level

Active alarm

Range scale

Variable range

marker (green)

w/depth readout

Depth

Color

bar

Water temperature

scale*

Minute marker

(yellow, blue,

30 sec. each)

Nav data*

Alarm zone

marker

35°15.000' N

135°07.500' W

AUTO-1

Alarm Icon

Auto Setting

Alarm Type

(F,B,TI,TB)

(DEMO)

Demonstration Mode

49.8˚F 12.5kt NL1

1 SL1 0

49.6

39.8

Water temperature

marker* (Color

changes with

HUE setting.)

* Requires appropriate sensor.

All indications and

markers are displayed

in white unless

noted otherwise.

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