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Furuno CSH-5L/CSH-8L manual Maintenance, Troubleshooting, SP-1, AP-1, Index, IN-1

Models: CSH-5L/CSH-8L

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8. MAINTENANCE, TROUBLESHOOTING			............................................................ 8-1
8.1	General Maintenance		8-1
8.2	Cleaning the Equipment		8-1
8.3	Hull Unit Maintenance		8-2
	8.3.1	Lubrication points, zinc plate	8-2
	8.3.2	Manually raising the transducer	8-3
8.4	Fuse Replacement		8-4
8.5	Fan Replacement		8-4
8.6	Troubleshooting		8-5
8.7	Error Messages		8-6
8.8	Diagnostic Tests		8-7
	8.8.1 Choosing a diagnostic test		8-7
	8.8.2	Description of diagnostic tests	8-8
SPECIFICATIONS			SP-1
MENU TREE			AP-1
INDEX	.......................................................................................................................		IN-1

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Furuno CSH-5L/CSH-8L manual Maintenance, Troubleshooting, SP-1, AP-1, Index, IN-1

Contents

CSH-5L/CSH-8L COLOR SCANNING SONARBack C1 OCT. 13 00080940402 00080940402OME13190C10 OME13190C10 Pub. No. OME-13190ELECTRICAL SHOCK HAZARD SAFETY INSTRUCTIONSThe zinc block attached near the transducer must be replaced yearly Turn off the hull unit before using the hand crankFOREWORD TABLE OF CONTENTSSYSTEM CONFIGURATION 2. FINE TUNING THE SONAR PICTUREINTERPRETING THE DISPLAY 4. ECHOSOUNDER MODE3. ADVANCED SONAR OPERATION MARKS AND DATAINDEX 8. MAINTENANCE, TROUBLESHOOTINGSP-1 AP-1FOREWORD FeaturesA Word to the Owner of the CSH-5L/CSH-8L System configuration of CSH-5L SYSTEM CONFIGURATIONJunction Box CSH-1700 System configuration of CSH-8Lviii Transceiver Unit CSH-80301.1 Control Unit 1. OPERATIONAL OVERVIEWControl unit Remote controller 1.2 Remote Controller optionSelf test screen at start up example CSH-5L, 55 kHz transducer 1.3 Basic Operating Procedure1.3.1 Turning on the power 1.3.2 Lowering the transducerSONAR menu 1.3.3 TransmittingSystem menu 1.3.4 Adjusting backlighting of control unitDescription 1.3.5 Choosing a display modeMode description ModeRange Scale Sonar displayCOMBI-1 display sonar display + audio display Text Window For description see ChapterCOMBI-2 display sonar display + echosounder display 1.3.6 Choosing the display rangeCOMBI-2 display sonar display + echosounder display Detection range1.3.8 Retracting the transducer, turning off the power 1.3.7 Adjusting the gainExamples of proper and improper gain Tilt range 1.4 Setting the Tilt Angle1.4.1 Automatic tilt on/off 1-10Range m 1-11Range and tilt angle Auto tilt concept1-12 1.4.3 How to discriminate fish echoes from the bottomHow to discriminate fish echoes from bottom 1.4.2 Bottom and tilt angleTilt angle and surface fish example CSH-5L 1.4.4 Points to consider1.4.5 Tilt angle for surface fish 1-13Depth, detection range and tilt angle 1.5 Finding Range and Bearing to a Target1.4.6 Suitable tilt angle 1-14Sonar menu 1.6.1 Operating procedure1.6 Sonar Menu Overview 1-151-16 1.6.2 Sonar menu descriptionDescription of sonar menu Ref. page 1-17Description of sonar menu con’t from previous page DescriptionThis page intentionally left blank 1-181. OPERATIONAL OVERVIEW 2.1 Eliminating Unwanted Echoes 2. FINE TUNING THE SONAR PICTUREHow TVG works 2.3 Suppressing Bottom Tail 2.2 Displaying Surface Fish Clearly2.3.1 AGC 2.3.3 2ND AGC 2.3.2 Pulse lengthfish echo How to adjust TX outputadjusted, OUTPUT Bottom echo masks2.5.3 Rejecting noise with the noise limiter 2.5 Rejecting Sonar Interference and Noise2.5.1 Identifying noise source 2.5.2 Rejecting noise with the interference rejectorInterference rings 2.5.4 Rejecting interference with TX cycle2.6.1 Horizontal beamwidth 2.6 Choosing Beamwidth2.7 Deleting Weak Echoes 2.8 Echo AveragingThis page intentionally left blank 2. FINE TUNING THE SONAR PICTURE3.1 Tracking a Fish School target lock 3. ADVANCED SONAR OPERATIONTarget lock mark and target lock data 3. ADVANCED SONAR OPERATION Target lock and tilt angle3.2 Detecting Fish Schools Aurally Fish alarm zone 3.3 The Fish AlarmFish alarm zones 3.4.1 Entering a fish mark 3.4 Measuring Fish School SpeedFish mark and fish mark data 3.5 Relocating Fish School for Easy Observation How to use the off-center function3.4.2 Deleting individual fish marks Event mark data, shown at bottom left corner of the display How to use the event mark3.6 Event Mark, Own Ship Position Mark 3.6.1 Event mark3.6.3 Deleting an event mark 3.6.2 Entering an own ship position markEvent marks 3.7 Collectively Deleting Marks 3-10 3.8 Function Keys F1-F43.8.1 Operating the function keys 3.8.2 Programming for fishing ground or target fish3-11 3.8.3 Programming specific functionUseful programs main items only 3-12 3.8.4 Confirming function key programFunction key assignment confirmation screen Stabilizer mark 3.9 Suppressing Effects of Pitching and Rolling Stabilizer3-13 How the stabilizer works3. To turn off the stabilizer, press the STABILIZER key. The stabilizer mark, stabilizer indication and stabilizer bearing data are erased. If range and bearing marks are shown they are displayed along with their data 3-144.1 Choosing the Range 4. ECHOSOUNDER MODEDisplay range and shift concept Sounder menu 4.2 Adjusting the Gain4.4 Measuring Depth 4.3 Picture Advance SpeedMeasuring depth Clutter 4.5 Suppressing Interference4.6 Suppressing Low Level Noise InterferenceWeak echoes 4.7 Erasing Weak EchoesSounder menu description 4.8 Other Items on the Sounder MenuTemperature Graph 5. MARKS AND DATA5.1 Marks and Data on the Normal Display Marks and data on the normal displayThe own ship position mark is entered at own ship’s position, with Description of marks and data on the normal displayHeading Own Ship PositionPage Mark EventMarks and data on the echosounder and audio displays 5.2 Marks and Data on the Echosounder and Audio DisplaysScale Description of marks and data on the echosounder and audio displaysDepth Scale, Range The depth scale and range scale provide an estimate of depth and6.1 Bottom Echo 6. INTERPRETING THE DISPLAYBottom echoes Fish school Sea surface reflections 6.2 Fish SchoolFish echoes A Sea surface fishWake 6.3 Sea Surface Reflections6.4 Wake Sea surface reflectionsNoise and interference 6.5 False Echo by Sidelobe6.6 Noise and Interference Sidelobe echo7.1 MARKS Menu 7. MARKS AND SYSTEM MENUSMARKS menu 7. MARKS AND SYSTEM MENUS MARKS menu descriptionSYSTEM menu 7.2 SYSTEM MenuDescription of SYSTEM menu Description Description of SYSTEM menu con’t from previous pageRef. Page 8.1 General Maintenance 8. MAINTENANCE, TROUBLESHOOTING8.2 Cleaning the Equipment HULL UNIT 8.3 Hull Unit MaintenanceHull unit maintenance points 8.3.1 Lubrication points, zinc plate1. Turn off the hull unit’s power switch 2. Open the gear cover 8.3.2 Manually raising the transducerHull unit Hand crank8.5 Fan Replacement 8.4 Fuse ReplacementUse the proper fuse Symptom 8.6 TroubleshootingCheck, Remedy Meaning, Remedy 8.7 Error MessagesError messages Message8.8.1 Choosing a diagnostic test 8.8 Diagnostic TestsContinuous test example CSH-5L, 55 kHz transducer 8.8.2 Description of diagnostic testsSingle test, Continuous test Panel test Panel testColor test 8-10Color test Pattern testSIO test 8-11SIO test Echo tests 8-12Echo tests SPECIFICATIONS OF COLOR SCANNING SONAR CSH-5L/8L HULL UNIT COATING COLOR POWER SUPPLYINTERFACE ENVIRONMENTAL CONDITIONThis page is intentionally left blank AP-1 MENU TREESonar menu Sounder menuMENU TREE Marks menuSystem menu AP-2IN-1 INDEX