Furuno CSH-5 MARK-2 - page 52

46

MENU-2 (Refer to pages 47 to 51 for location on the screen.)

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Contents

Main PUB. No. OME-12990 FIRST EDITION : NOV. 1995 E : DEC. 6, 2000 iiiiiiiiiiiii i SAFETY INSTRUCTIONS ELECTRICAL SHOCK HAZARD ii CAUTION CAUTION TABLE OF CONTENTS Page 1. FOREWORD Page 3. CONTROLS Operating Controls Main Panel Control Box Panel Page Menu Screen Recalling Scan Menu ** SCAN MENU ** ( RANGE SW : U/D GAIN SW : L/R ) Changing Setting Turning Off Scan Menu ** SCAN MENU ** ( RANGE SW : U/D GAIN SW : L/R ) Page 4. BASIC OPERATION Basic Operating Procedure Turning the Power On/Off Power On Power Off Lowering the Transducer Selecting a Display Range Setting the Tilt Angle Seabed Echo vs Tilt Angle Example of How to Discriminate Fish Echoes from the Seabed Points to Consider Tilt Angle for Surface Fish Suitable Tilt Angle TILT ANGLE Range m Vertical Width of Sonar Beam Depth m Page 5. FINE TUNING THE PICTURE Eliminating Unwanted Feeble Echoes TVG Setting Procedure Displaying Surface Fish Clearly Suppressing Seabed Tail AGC Control PL (Pulselength) Suppressing Seabed and Sea Surface Reflections in Shallow Fishing Grounds Rejecting Sonar Interference and Noise Identifying Noise Source Rejecting Noise with IR Control Rejecting Noise with NOISE LIM Control Selecting Horizontal Beamwidth Selecting Vertical Beamwidth 6. ADVANCED OPERA TION Measuring Range and Bearing to a Target Detecting Fish Schools Aurally Relocating Fish School for Easy Observation Finding Fish School Center Registering F1/F2 (function) key and Recalling Default setting Registering Procedure For detection of bottom fish For detection of midwater fish Recalling Procedure 1. Press F1 or F2. Presetting function is recalled and function indi- cation (LED lamp) lights. 7. MARK AND DATA Marks Data . 8. INTERPRETING THE DISPLAY This section provides information necessary for interpreting the display. Interpreting the Display Seabed (a) Flat Seabed Tilt Angle: 10 - 15 Fish School (a) Sea Surface Fish Tilt Angle: +5 - 10Because of (b) Midwater, Bottom Fish Fish echo appears before seabed echo Tilt Angle: 30 or more Fish School Seabed Fish echo appears together with or after seabed echo Tilt Angle: 0 - 20 Sea Surface Reflections Wake False Echo by Sidelobe Noise and Interference 9. WARNING Overvoltage Warning OVERVOLTAGE! Unretracted Transducer Warning XDCR NOT RETRACTED! Page 10. MENU Changing Menu Settings Procedure to Change Menu Settings Menu-1 Menu-2 System Menu Page 11. INTERFACE MODULE CSH-5060 Specifications 1. Display Mode 2. Display Mark 3. Numeric Information Operation 1. Event Mark and Own Ship Mark 2. Target Lock Mark 3. Erasing Weak Noise 4. Suppressing Effects of Pitching and Rolling 5. Detecting Fish Echoes in Specific Area (Fish Alarm) 6. Fish Alarm On/Off, Fish Alarm Sensitivity 7. Menu Screen 8. Menu Description 9. Menu Screen Indications MENU-2 SYSTEM MENU SCAN MENU E/S MENU 10. Contents of Menu Items E/S Menu Page Indications 1. Normal Mode (NORM) 2. Normal + Text Mode Page Page Marks and Data Page 12. MAINTENANCE 13. UNIT DIAGNOSTIC TESTS Turning-on/off Diagnostic Test Description of Unit-diagnostic Tests Single Test Conti Test : 0635 e 107kHz 0644 e 85kHz Panel Test This test checks the controls on the front panel and the control box for proper operation. SIO Test Color Test The color test checks for proper display of all colors. COLOR TEST Echo-1 Test The echo-1 test checks echo processing circuits in the display unit for proper operation. Gray Test Echo-2 Test 14. CHARACTERISTICS OF THE ULTRASONIC WAVE IN WATER Sound Velocity Absorption and Attenuation Refraction Adverse Effect of Air Bubbles Reflection at Seabed and Fish School Page SP-1 SPECIFICATIONS 1. Display 2. Display Color 3. Numeric information 4. Range/Pulselength 5. AUDIO SEARCH 6. Transmitter/Receiver 7. Tilt Angle 8. Hull Unit 9. Other Features INDEX A C D E Index-2 S T W