Furuno CH-270 User Manual

COLOR LCDSEARCHLIGHT SONARCH-270OPERATOR'S MANUALwww.furuno.co.jpMODELBack

FOREWORD viiiUsage Precautions • The Motion Sensor MS-100 compensates for ship’s pitching and rolling. However, it does not compensate for load unbal

5. MENU OPERATION 5-165.4.7 Track range settings You may choose the video plotter display scale range as follows. 1. Choose RANGE-TRACK at the SYS

5. MENU OPERATION 5-175.4.8 Color palette The color palette lets the user change the color of echoes, background, text and menu as desired. R :0**

5. MENU OPERATION 5-18 5.4.9 Language Menu language can be chosen from among the languages shown in the Language menu. JAPANESE ENGLISH FRANCAIS ESPA

5. MENU OPERATION 5-195.4.12 Transducer frequency adjustment If the CH-270 is receiving interference from a video sounder or other sonar on board yo

5. MENU OPERATION 5-205.4.14 Restoring all default settings All default menu settings may be restored. Choose YES and then press the [MENU] key to r

6-16. MAINTENANCE, TROUBLESHOOTING This chapter provides the information necessary for keeping the equipment in good working order. WARNINGDo not op

6. MAINTENANCE, TROUBLESHOOTING 6-26.3 Hull Unit Maintenance 6.3.1 Lubrication Coat the raise/lower screw shaft once a year with Molytone grease. Al

6. MAINTENANCE, TROUBLESHOOTING 6-3Hull unit CH-184 1. Turn off the breaker switch on the hull unit. 2. Slightly loosen the bolts fastening the s

6. MAINTENANCE, TROUBLESHOOTING 6-46.6 Troubleshooting The table below provides common symptoms of equipment troubles and the means to rectify them.

6. MAINTENANCE, TROUBLESHOOTING 6-56.7 Error Messages The table below shows the error messages which may appear on the display. All error messages ar

ixSYSTEM CONFIGURATION CH-270 (350 stroke) HULL UNITSPEAKERDATA/VIDEO OUTMOTION SENSOR12-32VDC12-32 VDCSpeakerMotion SensorExternalMonitorControl Un

6. MAINTENANCE, TROUBLESHOOTING 6-66.8 Diagnostics 1. Press the [MENU] key to open the menu. 2. Press ▲ to choose MENU, and then press ► to choose S

6. MAINTENANCE, TROUBLESHOOTING 6-7Interpreting the test results display MAIN PROGRAM NO., PANEL PROGRAM NO.: The program numbers of the MAIN and PAN

6. MAINTENANCE, TROUBLESHOOTING 6-86.9 Test Pattern A test pattern can be displayed to check for proper display of colors. 1. Press the [MENU] key

M-1MENU TREE [MENU] key TX POWER (MAX, MIN)PULSELENGTH (LONG, SHORT)TX RATE (EXTERNAL, 1-10; 10)INT REJECT (OFF, ON)AGC (OFF, ON)AUD

MENU TREE M-2SYSTEM SETTINGRANGE-SONAR MODE (all default ranges)(min. range: m, 10; ft, 40; fa, P/B, Hiro, 10; max. range: m, 800; ft, 2500;fa, 500;

SP-1SPECIFICATIONS 1. GENERAL 1.1 Display System 10.4-inch color LCD (640 x 480 dots), or locally supplied monitor 1.2 Transmit Frequency 180 kHz

SPECIFICATIONS SP-23.5 Horizontal Mode Control Scanning Angle: 6° to 360°, 24° step Scanning Center: 6° steps, 360° setting available Scan

IN-1INDEX A AGC ...5-1 A-scope display ...4-10 Auto

INDEX IN-2 Menu tree ...AP-1 N North mark...5-10 P Panel

SYSTEM CONFIGURATION x CH-270 (250 stroke) HULL UNITSPEAKERDATA/VIDEO OUTMOTION SENSOR12-32VDC12/24 VDC12-32 VDCSpeakerMotion SensorExternalMonitorCo

1-11. OPERATIONAL OVERVIEW 1.1 Control Description Turns the power on/off.Lowers the transducer.Adjusts receiversensitivity.Chooses center bearing o

1. OPERATIONAL OVERVIEW 1-21.2 Remote Controller The Remote Controller CH-256 (option) provides armchair control over range, tilt, target lock and tr

1. OPERATIONAL OVERVIEW 1-31.3 Turning the Power On/Off 1.3.1 Power on Press the [POWER] switch on the control unit until you hear a “click.” A beep

1. OPERATIONAL OVERVIEW 1-41.3.2 Power off 1. Press the [©] switch on the control unit. The lamp above the switch blinks while the transducer is bei

1. OPERATIONAL OVERVIEW 1-51.4 Raising, Lowering the Transducer 1.4.1 Lowering the transducer With the boat at the fishing ground, press the [ª] sw

1. OPERATIONAL OVERVIEW 1-6 1.5 Choosing a Display This sonar has eight display modes and you may choose one with one of the DISPLAY MODE keys. Refe

1. OPERATIONAL OVERVIEW 1-71.6 Adjusting Screen Brilliance, Panel Dimmer Screen brilliance can be adjusted in nine levels and the panel dimmer (back

The paper used in this manualis elemental chlorine free.・FURUNO Authorized Distributor/Dealer9-52 Ashihara-cho,Nishinomiya, 662-8580, JAPANTelephone :

1. OPERATIONAL OVERVIEW 1-81.8 Basic Menu Operation The menu, consisting of seven menus, mostly contains items which once preset do not require freq

2-12. HORIZONTAL MODE 2.1 Operational Overview The figure below shows the typical horizontal mode operating sequence. 2. Lower thetransducer.9. Adju

2. HORIZONTAL MODE 2-2 2.2 Typical Horizontal Mode Display 25R 40 mT 401613B208+ CSE 357 SPD 9.9 kt DEP 3

2. HORIZONTAL MODE 2-32.3 Choosing the Range The [RANGE] control chooses the detection (display) range. Choose the range according to either the fish

2. HORIZONTAL MODE 2-42.4 Choosing Sector Width Sector means the width of the transducer training. The [SECTOR] control chooses the training (displa

2. HORIZONTAL MODE 2-52.5 Choosing Train Center The [TRAIN] control chooses the center direction of the detection range. The range of adjustment is

2. HORIZONTAL MODE 2-62.6 Choosing the Tilt Angle 2.6.1 Choosing the tilt angle The tilt angle shows the direction to which the sound wave is emitte

2. HORIZONTAL MODE 2-72.6.2 Relation between tilt angle and echo Refer to the illustration below to see the relation between tilt angle and bottom e

2. HORIZONTAL MODE 2-8Points to consider • Normally, a vertically distributed fish school is a better sonar target than the bottom, because it reflec

2. HORIZONTAL MODE 2-92.6.4 Suitable tilt angle The figure below illustrates the relationship among tilt angle, depth and detection range. Refer to

iIMPORTANT NOTICES • This manual is intended for use by native speakers of English. • No part of this manual may be copied or reproduced without

2. HORIZONTAL MODE 2-102.7 Choosing the Training Speed The training speed determines how fast the transducer scans the sounding sector. Two choices

2. HORIZONTAL MODE 2-112.9 Event Marker The event marker functions to mark important locations on the screen, and five may be inscribed. Each time th

2. HORIZONTAL MODE 2-122.9.2 Deleting all event markers All event markers can be erased from the screen as follows: 1. Operate the Omnipad to plac

2. HORIZONTAL MODE 2-132.11 Adjusting the Picture 2.11.1 Suppressing bottom and surface reflections In shallow fishing grounds, excessive sea surfac

2. HORIZONTAL MODE 2-142.11.2 Suppressing bottom tail As described earlier, fish schools near the bottom are sometimes difficult to detect because y

2. HORIZONTAL MODE 2-15To adjust TVG: 1. Press the [MENU] key to open the menu. 2. Press ▲ to choose MENU and then press ◄ or ► to choose HORZ. T

2. HORIZONTAL MODE 2-165. Press the [MENU] key to register your selection and close the menu. 6. To suppress reflections from the sea surface or pl

2. HORIZONTAL MODE 2-172.11.4 Erasing weak echoes Weak echoes such as interference can be erased from the screen. This is useful when you want to obs

2. HORIZONTAL MODE 2-18 2.11.5 Enlarging fish echoes (horizontal expansion display) Fish echoes may be enlarged by using the horizontal expansion di

2. HORIZONTAL MODE 2-192.12 Target Lock Three types of target lock modes are available. Manual reverse: The transducer train direction is reserved

ii SAFETY INSTRUCTIONSWARNINGELECTRICAL SHOCK HAZARDDo not open the equipment.Only qualified personnelshould work inside theequipment.Immediately tur

2. HORIZONTAL MODE 2-202.12.3 Position mode This mode tracks a stationary position (such as a reef) using position data fed from a navigator. Note 1

2. HORIZONTAL MODE 2-212.12.4 Echo mode The echo mode tracks a fish school, either automatically or manually. The default setting is automatic, and y

2. HORIZONTAL MODE 2-22When the fish echo is lost the tilt angle is automatically changed as below to continue tracking the echo: Tilt changed to sea

2. HORIZONTAL MODE 2-232.13 Horizontal Menu Overview This section presents an overview of the items on the HORZ menu. 1. Press the [MENU] key to o

2. HORIZONTAL MODE 2-24CLUTTER: Low intensity echoes, often caused by sediments in water, are painted on the screen as a large number or random dots.

2. HORIZONTAL MODE 2-252.14 Interpreting the Horizontal Display This section provides information necessary for interpreting the horizontal display.

2. HORIZONTAL MODE 2-262.14.2 Sample echo displays Bottom echoes When the tilt angle is changed, the bottom echo illustrated below will appear on th

2. HORIZONTAL MODE 2-27Fish schools A fish school appears as a mass of echoes on the screen. The color of the mass shows the density of fish schools

2. HORIZONTAL MODE 2-28Sea surface reflections To reduce sea surface reflections, set the tilt angle to 5° or lower, so the upper edge of the sonar b

2. HORIZONTAL MODE 2-29Sidelobe echo (false echo) An ultrasonic wave is emitted in the direction set by the [TILT] control (main beam), however there

iiiCAUTIONDo not exceed 20 knots when operatingthe equipment and do not exceed 15knots when lowering or raising thetransducer.The transducer shaft ma

2. HORIZONTAL MODE 2-30 2.14.3 Combination display examples Horizontal/history display Press the key to display the horizontal/history display. Cu

2. HORIZONTAL MODE 2-31Horizontal/video plotter display Press the key to display the horizontal/video plotter display. CursorOwn shipmarkerHorizont

2. HORIZONTAL MODE 2-32 Horizontal/strata display Press the key to display the horizontal/strata display. CSE 357° SPD 9.9 kt

2. HORIZONTAL MODE 2-33◆ Color bar for the strata display The depth of the bottom each in all directions is displayed in the sub window, in the color

2. HORIZONTAL MODE 2-34◆ Projection in fore direction and strata display Color "b" on the color baris displayed here.Color "a" on

3-1 3. VERTICAL SCAN MODE 3.1 Operational Overview The figure below shows the typical vertical scan mode operating sequence. 2. Lower the transducer

3. VERTICAL SCAN MODE 3-2 3.2 Displaying Vertical Scan Mode Display 3.2.1 Typical vertical scan mode display Press the key to show the vertical

3. VERTICAL SCAN MODE 3-33.2.2 How the vertical scan picture is painted The sounding beam is emitted and the information (target echoes) obtained by

3. VERTICAL SCAN MODE 3-4 3.2.3 Horizontal/vertical scan display Press the key to display the horizontal/vertical scan display. CSE 357 SPD

3. VERTICAL SCAN MODE 3-5The displays are independent of each other so you can adjust them as desired. Press the [MAIN/SUB] key to choose the window

iv TABLE OF CONTENTSFOREWORD...

3. VERTICAL SCAN MODE 3-63.3 Choosing the Range The [RANGE] control chooses the detection (display) range, in 15 settings. Choose the range according

3. VERTICAL SCAN MODE 3-73.5 Choosing Display Sector Sector means the width of the transducer training, from 6° to 180°. 24Sector (Shown: 24 ) Secto

3. VERTICAL SCAN MODE 3-83.6 Choosing Sector Center The center direction of the sounding beam in the vertical direction can be changed with the [TIL

3. VERTICAL SCAN MODE 3-93.7 Choosing the Tilt Speed The [FAST SCAN] key chooses the tilt speed; that is, the stepping angle at which the transducer

3. VERTICAL SCAN MODE 3-103.9 Event Marker 3.9.1 Entering an event marker The event marker functions to mark important locations on the screen, and

3. VERTICAL SCAN MODE 3-113.9.2 Deleting all event markers All event markers can be erased from the screen as follows: 1. Operate the Omnipad to p

3. VERTICAL SCAN MODE 3-123.11 Adjusting the Picture 3.11.1 Displaying weak echoes clearly Echoes from targets (such as the bottom or a fish) return

3. VERTICAL SCAN MODE 3-134. Press ◄ or ► to adjust TVG distance, considering sea conditions. The larger the figure the greater the distance at which

3. VERTICAL SCAN MODE 3-143.11.2 Suppressing noise and interference You may encounter occasional or intermittent noise and interference as shown bel

3. VERTICAL SCAN MODE 3-153.11.4 Resolution color RES. COLOR sets transfer characteristics of input signal level versus display echo level. Echo stre

TABLE OF CONTENTS v2.13 Horizontal Menu Overview... 2-23 2.14 I

3. VERTICAL SCAN MODE 3-163.11.6 Choosing horizontal range expansion factor You may choose the horizontal range expansion factor for the vertical sc

3. VERTICAL SCAN MODE 3-173.12 Interpreting the Vertical Scan Display This section provides information necessary for interpreting the vertical scan

3. VERTICAL SCAN MODE 3-18Display of net hauling This is an example of net hauling display. The location of the net is indicated clearly. FOREAFTNe

4-14. ECHO SOUNDER MODE 4.1 Operational Overview The figure below shows the typical echo sounder mode operating sequence. 2. Lower the transducer.6

4. ECHO SOUNDER MODE 4-2 4.2 Typical Echo Sounder Display Press the key to display the echo sounder picture. + 4R 10 mT 60°340°DEPTMP6.5 m12

4. ECHO SOUNDER MODE 4-34.3 Choosing the Range The [RANGE] control chooses the detection (display) range, in 15 settings. Choose the range according

4. ECHO SOUNDER MODE 4-44.4 Train Direction The sounding beam may be directed 360° in any direction. Operate the [TRAIN] control to choose sounding b

4. ECHO SOUNDER MODE 4-54.7 Measuring Range by Cursor Use the cursor to display the range from own ship to the cursor location. Use the Omnipad to p

4. ECHO SOUNDER MODE 4-64.8.1 Inscribing the event marker 1. Operate the Omnipad to place the cursor on the location desired for an event marker. 2

4. ECHO SOUNDER MODE 4-74.9 Range Marker The range marker functions to measure the range to a target echo (fish school, bottom, etc.) 1. Operate th

TABLE OF CONTENTS vi 4.10.4 Resolution color ...4-11 4.10

4. ECHO SOUNDER MODE 4-84.10 Adjusting the Picture 4.10.1 Displaying weak echoes clearly Echoes from targets (such as the bottom or a fish) return t

4. ECHO SOUNDER MODE 4-93. Press ▲ or ▼ to choose TVG DISTANCE and then press ►. The following dialog box appears. 4.0200 m TVG DISTANCE Hi

4. ECHO SOUNDER MODE 4-104.10.2 Finding echo strength (A-scope display) The A-scope display shows echoes at each transmission with amplitudes and to

4. ECHO SOUNDER MODE 4-114.10.3 Gain adjustment Adjust the gain here when there is disparity in gain level between the main and sub windows. 1. Pre

4. ECHO SOUNDER MODE 4-124.10.5 Suppressing clutter Low intensity echoes, often caused by sediments in water, are painted on the screen as a large nu

5-15. MENU OPERATION 5.1 COM1 Menu 5.1.1 Displaying the COM1 menu 1. Press the [MENU] key to open the menu. 2. Press ▲ to choose MENU, and then p

5. MENU OPERATION 5-25.2 COM2 Menu 5.2.1 Displaying the COM2 menu 1. Press the [MENU] key to open the menu. 2. Press ▲ to choose MENU, and then pre

5. MENU OPERATION 5-35.3 Short-cut Menu, Preset Menu These menus program the CUSTOM MODE keys [1], [2] and [3]. The menu to use may be chosen with C

5. MENU OPERATION 5-4RANGE-SONAR MODERANGE-VERTICAL MODERANGE-E/S MODEADJ MOTION SENSOR TX FREQ ADJUSTTESTTEST PATTERNDEMO MODEDEFAULT: SELECT: MENU

5. MENU OPERATION 5-55.3.2 Changing setting of preset key 1. Choose PRESET KEY following the procedure in paragraph 5.3.1. 2. Press the [MENU] key

viiFOREWORD Thank you for purchasing the CH-270 Color LCD Searchlight Sonar. We are confident you will discover why FURUNO has become synonymous wit

5. MENU OPERATION 5-65.3.3 Changing setting of short-cut key The default settings are key [1], vertical search; key [2], volume, and key [3], delete

5. MENU OPERATION 5-7Activating a short-cut key 1. Press a CUSTOM MODE key, and the dialog box programmed for the custom key pressed appears. (No di

5. MENU OPERATION 5-85.4 SYSTEM Menu This menu provides items which may be set according to operator’s preference. 5.4.1 Displaying the SYSTEM me

5. MENU OPERATION 5-95.4.2 SYSTEM SETTING 1 menu description 1. Display the SYSTEM menu and then press ▲ or ▼ to choose SYSTEM SETTING. 2. Press ►

5. MENU OPERATION 5-10HEADING INDICATION: Chooses heading indication format, true (figures) or azimuth (compass points, for example, N, S, etc.), for

5. MENU OPERATION 5-115.4.3 SYSTEM SETTING 2 menu description OFF 15 kt 20ktOFF (OFF, 5-15kt)AUTO RETRACTION :SPEED

5. MENU OPERATION 5-12 SPEED ALARM MESSAGE: Choose the speed at which the speed alarm message is displayed and the aural alarm released when the spee

5. MENU OPERATION 5-135.4.4 Sonar (horizontal) mode range settings The user may preset horizontal mode ranges as desired. 1. Choose RANGE-SONAR MO

5. MENU OPERATION 5-145.4.5 Vertical scan mode range settings As with the horizontal mode, the user may preset the vertical scan mode’s ranges. 1.

5. MENU OPERATION 5-155.4.6 Echo sounder mode range settings As with the horizontal and vertical scan modes, the user may preset the echo sounder mo