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Furuno CH-250 5 I/O INTERFACE , 6 POWER SUPPLY , 7 ENVIRONMENTAL CONDITION , 8 COATING COLOR

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SP - 3 E1316S01H

4.6 Vertical Fan Mode Control

Scanning Angle 6° to 180°, 12° step

Scanning Center 0° to 180°, 6° step

Scanning Step Angle Normal: 3°, High speed: 6°

Time to Train 360°, 6° step

4.7 Transceiver Beam Width Frequenc y Vertical Horizontal

( -3 dB) 60 kHz: 12° 15°

88 kHz: 9.5° 11.5°

150 kHz: 6.5° 6.5°

4.8 Allowable Ship’s Speed 20 knot or les s (15 knot during raise/lower op eration)

4.9 Stabilizer Within 30°, optional motion sensor or clinometer s required

5 I/O INTERFACE

5.1 Data format IEC61162-1 (NMEA0183 Ver 1.5/2.0)

5.2 Input DBS, DBT, DPT, GGA, GLL, HDG, HDM, HDT, MDA, MTW, RMA,

RMC, VDR, VHW, VTG

5.3 Output SSTLL

6 POWER SUPPLY

6.1 Display Unit/ Control Unit/ Transceiver Unit

12-32 VDC: 4.7-1.8 A, within 58 VA

6.2 Hull Unit 12/24-32 VDC: 4.7/2.3-1.8 A, within 58 VA

Max. 16.7/8.2-7.7 A, within 200-246 VA

6.3 Rectifier (option) 110/220 VAC, 13 A, 1 phase, 50/60 Hz

7 ENVIRONMENTAL CONDITION

7.1 Ambient Temperature -15°C to +55°C (Soundome: 0°C to + 35°C)

7.2 Relative Humidity 95%

7.3 Water proofing Display/ Control unit: IPX5

(IEC 60529) Transceiver unit/ Hull unit: IPX2

8 COATING COLOR

8.1 Display Unit/ Control Unit Panel: N3.0, Chassis: 2.5GY5/1.5

8.2 Transceiver Unit N3.0

Contents

Main *00080894802**00080894802* *OME13160L00**OME13160L00* i SAFETY INSTRUCTIONS WARNINGWARNING ELECTRICAL SHOCK HAZARD WARNINGWARNING CAUTION TFT LCD CAUTION TABLE OF CONTENTS 2. HORIZONTAL MODE .........................................................................2-1 3. VERTICAL FAN MODE....................................................................... 3-1 iv 4. ECHO SOUNDER MODE ...................................................................4-1 5. MENU OPERATION............................................................................ 5-1 6. MAINTENANCE, TROUBLESHOOTING ...........................................6-1 FOREWORD Features vi Usage Precautions vii SYSTEM CONFIGURATION Page 1-1 1. OPERATIONAL OVERVIEW 1.1 Control Description Figure 1-1 Control unit 1-2 1.2 Remote Controller 1-3 1.3 Turning the Power On/Off 1.3.1 Power on 1.3.2 Power off 1-4 1.4 Raising, Lowering the Transducer CAUTION 1.4.2 Raising the tr ansducer 1.5 Adjusting Screen Brilliance, Panel Dimmer 1-6 1.6 Selecting a Display NAV DATA Key Key VERTICAL FAN ECHO SOUNDER 1.7 Adjusting the Gain 1.8 Basic Menu Operation 1-8 2-1 2. HORIZONTAL MODE 2.1 Operational Overview The figure below shows the typical horizontal mode operating sequence. Figure 2-1 Control panel 2.2 Typical Horizontal Mode Display Sweep indicator (Shows train position in horizontal mode.) 2.3 Selecting the Range 2-4 2.4 Selecting Sector Width One-touch selection of 360 sector 2.5 Selecting Train Center 2.6 Selecting the Tilt Angle 2-6 2.6.1 Bottom echo and tilt angle 2.6.2 How to discriminate fish echoes from the bottom Points to consider 2.6.3 Tilt angle for surface fish 2-8 2.6.4 Suitable tilt angle Vertical width of sonar beam Depth (m) Tilt angle and beam coverage (frequency 60 kHz, vertical beamwidth 12 at -3 dB) Figure 2-9 Tilt angle and beam cov er ag e 2.7 Selecting the Training Speed 2.8 Finding Echo Position with the Cursor 2-10 2.9 Event Marker 2.9.1 Inscribing the event marker 2.9.2 Deleting all event markers 2.10 Depth and Horizontal Range Markers 2-12 2.11 Adjusting the Picture 2.11.1 Suppressing bottom and surface reflections 2-13 2.11.2 Suppressing bottom tail 2.11.3 Displaying weak echoes clearly 2-14 2.11.4 Erasing weak echoes 2-16 2.11.5 Enlarging fish echoes (expand horizontal display) 2.12 Target Lock 2.12.1 Setting target lock mode 2.12.2 Manual reserve mode 2-18 2.12.3 Position mode Target lock indicator Target lock marker 2.12.4 Echo mode Automatic echo tracking mode 2-20 Manual echo tracking mode 2.13 Horizontal Menu Overview 2.13.1 Horizontal menu description 2-22 2.14 Interpreting the Horizontal Display 2.14.1 How the horizontal mode picture is painted 2-24 2.14.2 Sample echo displays Bottom echoes Figure 2-21 Bottom echoes 2-25 Fish schools Figure 2-22 Fish schools 2-26 Sea surface reflections Wake Sidelobe echo (false echo) Noise and interference 2-28 2.14.3 Combination display examples Horizontal/history display 2-29 Horizontal/video plotter display k e y to display the horizontal/video plotter display. 2-30 Horizontal/strata display 2-31 Color bar for the strata dis play Flat bottom and strata display 2-32 Projection in fore direction and strata display Depth becoming shallower gradually in fore direction and strata display Depth becoming deeper gradually in fore direction and strata display 3. VERTICAL FAN MODE 3.1 Operational Overview The figure below shows the typical vertical fan mode operating sequence. Figure 3-1 Control panel 3.2 Typical Vertical Fan Mode Display Figure 3-2 Typical vertical fan mode display 3.3 Selecting the Range 3-4 3.4 Selecting Train Center 3.5 Selecting Display Sector One-touch selection of 180 3-6 3.6 Selecting Sector Center Automatic shifting of own ship position 3.7 Selecting the Training Speed 3.8 Finding Echo Position with the Cursor 3-8 3.9 Event Marker 3.9.1 Deleting all event markers 3.10 Depth and Horizontal Range Markers 3-10 3.11 Adjusting the Picture 3.11.1 Displaying weak echoes clearly 3.11.2 Suppressing noise and interference 3-12 3.12 Vertical Menu Overview 3.12.1 Vertical menu description 3.13 Interpreting the Vertical Fan Display 3.13.1 How the vertical fan mode picture is painted 3-14 3.13.2 Sample echo displays Port-starboard picture (bottom ) When ship passes over fish schools Display of net hauling False echo 3-16 3.13.3 Horizontal/vertical fan display TRAIN control 3-17 SECTOR control Page 4-1 4. ECHO SOUNDER MODE 4.1 Operational Overview The figure below shows the typical echo sounder mode operating sequence. Figure 4-1 Control panel 4.2 Typical Echo Sounder Display Press the key to display the echo sounder picture. 6.5 m 12. 3C Figure 4-2 Typical echo sounder di spl a y 4.3 Selecting the Range 4-4 4.4 Train Direction 4.5 Selecting Tilt Angle 4.6 Selecting Picture Advance Speed 4.7 Measuring Range by Cursor 4.8 Event Marker 4-6 4.8.1 Inscribing the event marker 4.8.2 Deleting all event markers 4.9 Range Marker 4.10 Adjusting the Picture 4.10.1 Displaying weak echoes clearly 4-8 4.10.2 Finding echo strength (A-scope display) 4-10 4.11 Echo Sounder Menu Overview 4.11.1 Echo sounder menu descri pt i on Page Page 5-1 5. MENU OPERATION 5.1 COM1 Menu 5-2 5.1.1 COM1 menu description 5.2 COM2 Menu 5.2.1 Displaying the COM 2 menu COM2 menu 5.2.2 COM2 menu description 5.3 Short-cut Menu, Preset Menu 5.3.1 Selecting short-cut or preset 5-5 Figure 5-3 System menu 5. Press to open the SYSTEM SETTING menu. Figure 5-4 System setting 1 menu 6. Press or to select CUSTOM KEY. 5-6 5.3.2 Preset key Activating custom mode 5.3.3 Short-cut key Activating a short-cut key 5-8 VERTICAL SEARCH FUNCTION 5.4 SYS Menu 5-10 SYSTEM SETTING 1 menu SYSTEM SETTING 1 menu description Page 5-12 SYSTEM SETTING 2 menu description Page 5-14 5.4.2 Sonar (horizontal) mode range settings 5-16 5.4.3 Vertical fan mode range settings 5.4.4 Echo sounder mode range settings 5-18 5.4.5 Track range settings Figure 5-16 Range-track mode menu 5.4.6 Color palette 5-20 5.4.7 Language 5.4.8 System backup 5.4.9 Loading backup data 5.4.10 Transducer frequency adjustment 5.4.11 Demonstration mode 5-22 5.4.12 Restoring all default settings CAUTION 6. MAINTENANCE, TROUBLESHOOTING WARNING 6.1 Preventive Maintenance 6.2 Cleaning the Equipment 6-2 6.3 Hull Unit Maintenance 6.3.1 Lubrication 6.3.2 Manually raising, lowering transducer WARNING 6.4 Transducer Maintenance CAUTION 6.5 Fuse Replacement CAUTION 6-4 6.6 Troubleshooting 6-5 6.7 Error Messages 6-6 6.8 Diagnostics Page 6-8 6.9 Test Pattern M-1 MENU TREE M-2 SPECIFICATIONS OF 10.4 INCH COLOR LCD SEARCHLIGHT SONAR CH-250 1 GENERAL 2 DISPLAY/ CONTROL UNIT 3 TRANSCEIVER UNIT 4 HULL UNI T 5 I/O INTERFACE 6 POWER SUPPLY 7 ENVIRONMENTAL CONDITION 8 COATING COLOR Page INDEX IN-2