COLOR VIDEO SOUNDER

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4.1.3 CleaningKeep the equipment clean and dry at all times. Dust or loose dirt should be wiped off with a soft,dry cloth. Do not use chemical cleaners to clean the display unit - they can remove paint ormarkings.4.1.4 Maintenance of the transducerMarine life on the transducer face will result in gradual decrease in the sensitivity. Check thetransducer face for cleanliness each time the boat is hauled out of the water. Carefully removeany marine life with a piece of wood or fine sandpaper.4-2
4.2 Basic TroubleshootingThe troubleshooting table below presents common problems and the means to restore normaloperation. If normal operation cannot be restored do not attempt to check inside the equipment.Basic troubleshootingIf…Thenneither echo nor fixed range scale appears • check battery voltage.• check fuse.• check battery terminal for corrosion.• check that power cable is securelyplugged.no echo but range scale shows • check if display speed is set to "0."• check if transducer plug is firmlyconnected.echo appears but no zero line • check if range shifting is set to "0."the equipment shows signs of low sensitivity • check if gain setting is suitable.• check for air bubbles or marine lifeattached to transducer.• check if water is dirty.• bottom may be too soft to return properecho.no water depth readout is shown • check if bottom echo is painted red orreddish-brown.• check if bottom is displayed.much noise or interference is present • check if transducer/transducer cable is tooclose to engine.• check unit ground.• check if there are other echo sounders ofthe same frequency nearby.speed/water temperature indication* is absent orunrealistic• check that sensor plug is securelyfastened.position indication* is absent or unrealistic • check that sensor plug is securelyfastened.• check position-fixing equipment.* Requires appropriate sensor.4-3
Page 1: COLOR VIDEO SOUNDERFCV-667
Page 4 and 5: TABLE OF CONTENTSINTRODUCTION .....
Page 6 and 7: • Alarms: fish, bottom, water tem
Page 8 and 9: SYSTEM CONFIGURATIONDISPLAY UNITCV-
Page 10 and 11: 1.2 IndicationsSpeed*Noise LimiterW
Page 13 and 14: ZOOM mode (high or low frequency)Th
Page 15 and 16: Enlarging a nav data indicationYou
Page 17 and 18: 2.6 Selecting Picture Advance Speed
Page 19 and 20: 2.9 Measuring Depth to a Fish Schoo
Page 21 and 22: MENU :DEPTH :SPEED :TEMP :ZOOM MARK
Page 23 and 24: 2.12 Suppressing InterferenceInterf
Page 25 and 26: 2.15.2 Activating/deactivating an a
Page 27 and 28: 2.18 Correcting Speed/Water Tempera
Page 29 and 30: 3. INTERPRETING THE DISPLAY3.1 Zero
Page 31: 4. MAINTENANCE, TROUBLESHOOTINGWARN
Page 35 and 36: 4.4 Transducer CheckA simple and re
Page 37 and 38: MENU TREE[MODE] switch inMENU posit
Page 39 and 40: CIF OutputDepth, Water temperature*
Page 42: FURUNO Authorized Distributor/Deale

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