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Furuno CSH-5L/CSH-8L manual This page is intentionally left blank

Models: CSH-5L/CSH-8L

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Furuno CSH-5L/CSH-8L manual This page is intentionally left blank

Contents

Back COLOR SCANNING SONARCSH-5L/CSH-8L Pub. No. OME-13190 00080940402 00080940402OME13190C10 OME13190C10 C1 OCT. 13SAFETY INSTRUCTIONS ELECTRICAL SHOCK HAZARDTurn off the hull unit before using the hand crank The zinc block attached near the transducer must be replaced yearly2. FINE TUNING THE SONAR PICTURE TABLE OF CONTENTSSYSTEM CONFIGURATION FOREWORDMARKS AND DATA 4. ECHOSOUNDER MODE3. ADVANCED SONAR OPERATION INTERPRETING THE DISPLAYAP-1 8. MAINTENANCE, TROUBLESHOOTINGSP-1 INDEXA Word to the Owner of the CSH-5L/CSH-8L FeaturesFOREWORD SYSTEM CONFIGURATION System configuration of CSH-5LTransceiver Unit CSH-8030 System configuration of CSH-8Lviii Junction Box CSH-1700Control unit 1. OPERATIONAL OVERVIEW1.1 Control Unit 1.2 Remote Controller option Remote controller1.3.2 Lowering the transducer 1.3 Basic Operating Procedure1.3.1 Turning on the power Self test screen at start up example CSH-5L, 55 kHz transducer1.3.3 Transmitting SONAR menu1.3.4 Adjusting backlighting of control unit System menuMode 1.3.5 Choosing a display modeMode description DescriptionText Window For description see Chapter Sonar displayCOMBI-1 display sonar display + audio display Range ScaleDetection range 1.3.6 Choosing the display rangeCOMBI-2 display sonar display + echosounder display COMBI-2 display sonar display + echosounder displayExamples of proper and improper gain 1.3.7 Adjusting the gain1.3.8 Retracting the transducer, turning off the power 1-10 1.4 Setting the Tilt Angle1.4.1 Automatic tilt on/off Tilt rangeAuto tilt concept 1-11Range and tilt angle Range m1.4.2 Bottom and tilt angle 1.4.3 How to discriminate fish echoes from the bottomHow to discriminate fish echoes from bottom 1-121-13 1.4.4 Points to consider1.4.5 Tilt angle for surface fish Tilt angle and surface fish example CSH-5L1-14 1.5 Finding Range and Bearing to a Target1.4.6 Suitable tilt angle Depth, detection range and tilt angle1-15 1.6.1 Operating procedure1.6 Sonar Menu Overview Sonar menuDescription of sonar menu 1.6.2 Sonar menu description1-16 Description 1-17Description of sonar menu con’t from previous page Ref. page1. OPERATIONAL OVERVIEW 1-18This page intentionally left blank How TVG works 2. FINE TUNING THE SONAR PICTURE2.1 Eliminating Unwanted Echoes 2.3.1 AGC 2.2 Displaying Surface Fish Clearly2.3 Suppressing Bottom Tail 2.3.2 Pulse length 2.3.3 2ND AGCBottom echo masks How to adjust TX outputadjusted, OUTPUT fish echo2.5.2 Rejecting noise with the interference rejector 2.5 Rejecting Sonar Interference and Noise2.5.1 Identifying noise source 2.5.3 Rejecting noise with the noise limiter2.5.4 Rejecting interference with TX cycle Interference rings2.8 Echo Averaging 2.6 Choosing Beamwidth2.7 Deleting Weak Echoes 2.6.1 Horizontal beamwidth2. FINE TUNING THE SONAR PICTURE This page intentionally left blankTarget lock mark and target lock data 3. ADVANCED SONAR OPERATION3.1 Tracking a Fish School target lock Target lock and tilt angle 3. ADVANCED SONAR OPERATION3.2 Detecting Fish Schools Aurally Fish alarm zones 3.3 The Fish AlarmFish alarm zone Fish mark and fish mark data 3.4 Measuring Fish School Speed3.4.1 Entering a fish mark 3.4.2 Deleting individual fish marks How to use the off-center function3.5 Relocating Fish School for Easy Observation 3.6.1 Event mark How to use the event mark3.6 Event Mark, Own Ship Position Mark Event mark data, shown at bottom left corner of the displayEvent marks 3.6.2 Entering an own ship position mark3.6.3 Deleting an event mark 3.7 Collectively Deleting Marks 3.8.2 Programming for fishing ground or target fish 3.8 Function Keys F1-F43.8.1 Operating the function keys 3-10Useful programs main items only 3.8.3 Programming specific function3-11 Function key assignment confirmation screen 3.8.4 Confirming function key program3-12 How the stabilizer works 3.9 Suppressing Effects of Pitching and Rolling Stabilizer3-13 Stabilizer mark3-14 3. 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 dataDisplay range and shift concept 4. ECHOSOUNDER MODE4.1 Choosing the Range 4.2 Adjusting the Gain Sounder menuMeasuring depth 4.3 Picture Advance Speed4.4 Measuring Depth Interference 4.5 Suppressing Interference4.6 Suppressing Low Level Noise Clutter4.7 Erasing Weak Echoes Weak echoes4.8 Other Items on the Sounder Menu Sounder menu descriptionMarks and data on the normal display 5. MARKS AND DATA5.1 Marks and Data on the Normal Display Temperature GraphOwn Ship Position Description of marks and data on the normal displayHeading The own ship position mark is entered at own ship’s position, withPage Event Mark5.2 Marks and Data on the Echosounder and Audio Displays Marks and data on the echosounder and audio displaysThe depth scale and range scale provide an estimate of depth and Description of marks and data on the echosounder and audio displaysDepth Scale, Range ScaleBottom echoes 6. INTERPRETING THE DISPLAY6.1 Bottom Echo A Sea surface fish 6.2 Fish SchoolFish echoes Fish school Sea surface reflectionsSea surface reflections 6.3 Sea Surface Reflections6.4 Wake WakeSidelobe echo 6.5 False Echo by Sidelobe6.6 Noise and Interference Noise and interferenceMARKS menu 7. MARKS AND SYSTEM MENUS7.1 MARKS Menu MARKS menu description 7. MARKS AND SYSTEM MENUSDescription of SYSTEM menu 7.2 SYSTEM MenuSYSTEM menu Ref. Page Description of SYSTEM menu con’t from previous pageDescription 8.2 Cleaning the Equipment 8. MAINTENANCE, TROUBLESHOOTING8.1 General Maintenance 8.3.1 Lubrication points, zinc plate 8.3 Hull Unit MaintenanceHull unit maintenance points HULL UNITHand crank 8.3.2 Manually raising the transducerHull unit 1. Turn off the hull unit’s power switch 2. Open the gear coverUse the proper fuse 8.4 Fuse Replacement8.5 Fan Replacement Check, Remedy 8.6 TroubleshootingSymptom Message 8.7 Error MessagesError messages Meaning, Remedy8.8 Diagnostic Tests 8.8.1 Choosing a diagnostic testSingle test, Continuous test 8.8.2 Description of diagnostic testsContinuous test example CSH-5L, 55 kHz transducer Panel test Panel testPattern test 8-10Color test Color testSIO test 8-11SIO test Echo tests 8-12Echo tests SPECIFICATIONS OF COLOR SCANNING SONAR CSH-5L/8L HULL UNIT ENVIRONMENTAL CONDITION POWER SUPPLYINTERFACE COATING COLORThis page is intentionally left blank Sounder menu MENU TREESonar menu AP-1AP-2 Marks menuSystem menu MENU TREEINDEX IN-1