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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.

Summary of Contents for FCV-668

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Page 3: ...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 le...

Page 4: ...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...

Page 5: ...m 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 cons...

Page 6: ...mperature 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 spe...

Page 7: ...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...

Page 8: ...pply 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...

Page 9: ...s 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 blu...

Page 10: ...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 2...

Page 11: ...CRT BRILL 0 2 3 Display Mode Selection Description 2 3 1 Display mode selection Seven display modes are available and you may select one of them with the MODE switch MODE switch description MODE Swit...

Page 12: ...reen on the left half window You may specify the portion to expand with the VRM Variable Range Marker which you can shift with or The area between the VRM and the zoom range marker is expanded The len...

Page 13: ...ust the gain if necessary Note 1 The bottom lock range can be selected on the system menu 3 Note 2 The zoom marker can be turned on off on the main menu B Z Bottom Zoom mode The bottom zoom mode expan...

Page 14: ...e Speedometer Speed Depth Alarm Range Water Temperature Ship s Position Bearing to Waypoint relative to ship s course Cross Track Error Shows amount and direction to steer to return to course The exam...

Page 15: ...data indications as follows 5 Press or to select the indication you want to enlarge A blue cursor circumscribes your selection For example select the depth indication 6 Press the key to enlarge the da...

Page 16: ...when bottom echoes reach a halfway point of the full scale from top and to one step deeper range when they come to the lower edge of the scale The gain is automatically adjusted to display the bottom...

Page 17: ...display and it is convenient for observing an echo ADVANCE 1 1 8 2 Continue pressing the BRILL and AUTO keys together to select desired speed 2 7 Display Range Selection The basic range and range shi...

Page 18: ...ote 2 Basic ranges can be changed on the system menu 3 Note 3 The unit of depth may be selected on system menu 1 Note 4 The range cannot be shifted when the auto function is active 2 8 Erasing Weak Ec...

Page 19: ...VRM 0 20 40 60 80 49 6 39 8 VRM green 2 10 A scope Display This display shows echoes at each transmission with amplitudes and tone proportional to their intensities on the right 1 4 of the screen It...

Page 20: ...he MENU position OFF 1 2 3 NOISE LIMITER HUE SELECTION 1 1 7 0 20 20 GAIN ADJUST 50KHZ CLUTTER LEVEL 0 0 3 VRM WHT TO SELECT ITEM 1 2 TO SET CONDITION MARKER VRM ZOOM MARKER DISPLAY 200 kHz depending...

Page 21: ...o select menu item 5 Press or to set condition 6 Set the MODE switch in any other position to register selection and close the menu 2 11 3 Main menu description Menu item Description NOISE LIMITER Eli...

Page 22: ...MEA speed data fed by position fixing equipment TMP SEL Selects source of water temperature data OWN speed data fed by optional water temperature sensor NMEA speed data fed by position fixing equipmen...

Page 23: ...other sounder Turn the noise limiter circuit off when no interference exists otherwise weak echoes may be missed 2 13 Suppressing Low Level Noise Light blue dots may appear over most of screen This is...

Page 24: ...ow 8 intensities 2 15 Alarms 2 15 1 Alarm description Bottom alarm The bottom alarm sounds when the bottom is within the alarm range set To activate the bottom alarm the depth must be displayed Fish a...

Page 25: ...width of alarm zone with or F Alarm zone Alarm zone marker Fish bottom alarms only Alarm icon Appear when alarm is violated B Bottom F Fish TI Temperature IN TO Temperature OUT Alarm type 6 Press to...

Page 26: ...keys the white cursor on the color bar shows the color currently selected to display in white White cursor shows color currently displayed in white 2 17 Demonstration Picture Your unit incorporates a...

Page 27: ...TEM MENU appears and then press to select YES 3 Use or key to select system menu 2 1 2 3 OFF L L R B CSE NMEA CIF OFF OWN NMEA OFF OWN NMEA OFF LOW HIGH 0 50 50 0 0 F 20 20 SYSTEM MENU 2 ADJUSTABLE OW...

Page 28: ...from the bottom are normally the strongest and are displayed in reddish brown color in default color arrangement but the color and width will vary with bottom composition water depth frequency sensiti...

Page 29: ...s Different species of fish tend to prefer different temperature zones so the thermocline may be useful to help identify target fish In rough waters the display is occasionally interrupted due to belo...

Page 30: ...e If conductors are exposed replace cable Power cable plug transducer cable plug If loosened tighten Display unit ground If corroded clean Ship s mains voltage If out of ratings correct problem 4 1 3...

Page 31: ...eaners to clean the display unit they can remove paint or markings 4 1 5 Maintenance of the transducer Marine life on the transducer face will result in gradual decrease in the sensitivity Check the t...

Page 32: ...et to 0 the equipment shows signs of low sensitivity check if gain setting is suitable check for air bubbles or marine life attached to transducer check if water is dirty bottom may be too soft to ret...

Page 33: ...PROM OK E2PR OK SRAM OK VRAM1 OK VRAM2 OK SIO NG KEY NONE RANGE 1 GAIN 14 MODE MENU PLEASE CHECK KEYS SWITCHES REDDISH BROWN RED ORANGE YELLOW GREEN LIGHT BLUE BLUE FREQ 50 kHz DEVICE CHECK Major devi...

Page 34: ...ty 4 5 Speed Water Temperature Sensor option Check The idea of the transducer check can apply to this case too temporarily substitute a new sensor If the speed temperature indications become normal yo...

Page 35: ...GS SHIFT 0 BRILL 6 ADVANCE 4 SIG LEV 0 ALARM OFF A SCOPE OFF MARKER 0 1 2 3 OFF L L R B CSE NMEA CIF OFF OWN NMEA OFF OWN NMEA OFF LOW HIGH 0 50 50 0 0 F 20 20 SYSTEM MENU 2 ADJUSTABLE OWN SENSOR ONLY...

Page 36: ...ode Normal Normal and Marker Zoom Normal and Bottom lock Expansion Normal and Bottom Zoom Graphical and Numerical displays Data Display and A scope Display 9 Zoom Display Marker Zoom Bottom Zoom and B...

Page 37: ...5 1 25 A 3 ENVIRONMENTAL CONDITION 1 Ambient Temperature 0 C to 50 C 2 Relative Humidity 85 at 40 C 3 Water proofing Display Unit IPX4 4 Vibration 1 mm 10 2 5 to 13 2 Hz Maximum acceleration 7 m s2 13...

Page 38: ...ent 4 1 GAIN control 2 6 Graphic mode 2 4 Hue 2 14 Indications 1 2 Interference 2 13 Main menu 2 10 Marker zoom mode 2 2 Menu main menu description 2 11 menu selection 2 10 system menu description 2 1...

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