Page 3 - iiiiiiiiiiiii; SAFETY INSTRUCTIONS; ELECTRICAL SHOCK HAZARD; Do not open the equipment.; WARNING; Keep heater away from equipment.
iiiiiiiiiiiii i SAFETY INSTRUCTIONS WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnelshould work inside theequipment. Immediately turn off the power at theswitchboard if water leaks into theequipment or something is dropped inthe equipment. Continued use of the equi...
Page 4 - ii; CAUTION; WORKING WITH THE SONAR OIL; Emergency
ii Name: Warning Label (1)Type: 86-003-1011-0Code No.: 100-236-230 CAUTION WORKING WITH THE SONAR OIL Precautions • Keep oil away from eyes. Wear protectivegloves when working with the oil. The oilcan cause inflammation of the eyes. • Do not touch the oil. Wear protectivegloves when working with the...
Page 5 - iii; TABLE OF CONTENTS
iii TABLE OF CONTENTS FOREWORD ................................................................................................................... v SYSTEM CONFIGURATION ................................................................................... vi MENU TREE ....................................
Page 6 - iv
iv 3.9 Bottom/3D Menu Operation ......................................................................................... 3-83.10 Interpreting the Display .............................................................................................. 3-93.11 Vertical Fan Mode Indications ...............
Page 7 - FOREWORD; Features
v FOREWORD Congratulations on your choice of the FURUNO CH-37 ColorSector Scanning Sonar! We are confident that you will enjoymany years of trouble-free operation with this fine piece of equip-ment. For over 40 years FURUNO Electric Company has enjoyed anenviable reputation for quality and reliabili...
Page 8 - SYSTEM CONFIGURATION
vi SYSTEM CONFIGURATION DISPLAY UNITCH-370 NOTE 1: Two sets of rectifiers are necessary for AC mains.NOTE 2: DC ship's mains only. For AC ship's mains, the power is supplied directly from the rectifier unit to the trans- ceiver unit. OPTIONAL SUPPLY STANDARD SUPPLY LOUDSPEAKERSC-05WR REMOTE CONTROL ...
Page 9 - vii; MENU TREE
vii MENU TREE [MENU] key SONAR BOTTOM/3D E/S TX RATETX PULSE LENGTHTX OUTPUT POWERTX EXT SYNCIRSTABILIZERCOLORRES. COLOR TVG (LEVEL)TVG (TIME)BEAM WIDTHAUTO TRAIN SECTORVERT. ECHO OVERLAY3D VIEW SCALETIME SCALE RANGESHIFTGAINN.L.IRADVANCE SPEEDRES. COLOR DUAL DUAL MODENET MOUTH SHIFTNET MOUTH WIDTHN...
Page 11 - OPERATIONAL OVERVIEW; Control Description; Main panel; Figure 1-1 Main panel
1-1 OPERATIONAL OVERVIEW 1.1 Control Description Main panel PWR O TRANSDUCER FULL HALF EVENT ENTER 1 2 3 CUSTOM MODE CH-37 R/B MODE TRAIN SECTOR TILT RANGE + 0 2 4 6 8 10 GAIN Switches on and off the entire system. Selects display mode (from left-hand position): Normal Sonar Mode or Normal Sonar Mod...
Page 12 - Sub panel; Figure 1-2 Sub panel 1 and sub panel 2
1-2 Sub panel 0 10 LEVEL 0 10 TIME 0 10 DIMMER 0 10 BRILL 0 10 NL 0 10 AUDIO TVG HUE E/S FAST SCAN TRACK V:H RANGE AUTO TRAIN DEGAUSS BOTTOM MODE MENU MENU Sub-panel 1 Sub-panel 2 Function Description TVG LEVEL controls the receiver sensitivity to eliminate surface noise, which may mask shallow targ...
Page 13 - Retract the transducer with the; Note: The transducer is automatically retracted into the tank; Adjusting Screen Brilliance, Panel Backlighting; Press the
1-3 1.2 Turning the Power On/Off Power on Press the PWR switch on the main panel. The lamp above theswitch lights to show that power is turned on. Power off Retract the transducer with the g key on the main panel. The lamp above the switch lights while the transducer is being raisedand goes off when...
Page 14 - Presentation Mode
1-4 1.5 Presentation Mode Five presentation modes are available with the MODE control:Normal sonar, Normal sonar + combination, Expanded sonar,Vertical fan mode or Vertical fan mode + combination and 3Ddisplay mode (front and slant perspective views). Mode Presentation Normal sonar mode Normal full ...
Page 15 - Note: Asterisk-marked modes require external signal interface
1-5 Mode Presentation Vertical fan mode A vertical section of underwater conditions (half-circle area) appears on the entire screen. 3D display (slant perspective view) Display contents are same as front perspective mode except the per-spective is different. This mode may be turned on in the SYSTEM ...
Page 16 - Degaussing the Screen
1-6 1.6 Background Color The background color is available in deep blue, blue or black,with the HUE key. 1.7 Degaussing the Screen The screen is automatically degaussed at the interval selectedon the SYSTEM SETTING menu. However, when the pictureor picture color appears to be distorted, manually deg...
Page 17 - SONAR MODE; Typical Operating Procedure; Figure 2-1 Main panel and sub panel controls
2-1 SONAR MODE 2.1 Typical Operating Procedure PWR O TRANSDUCER FULL HALF EVENT ENTER 1 2 3 CUSTOM MODE CH-37 R/B MODE TRAIN SECTOR TILT GAIN RANGE - + 0 10 LEVEL 0 10 TIME 0 10 DIMMER 0 10 BRILL 0 10 NL 0 10 AUDIO TVG HUE E/S FAST SCAN TRACK V:H RANGE AUTO TRAIN DEGAUSS BOTTOM MODE MENU MENU 0 2 4 ...
Page 18 - Figure 2-2 Range selection; Note: Unit of range measurement may be changed through
2-2 2.2 Selecting Range The RANGE control selects the detection (display) range. Se-lect the range according to either the fish species beingsearched or the depth desired. Normally it is set so that thebottom is traced at the lower part of the screen (like an echosounder). SEA SURFACE Range indicate...
Page 19 - Sector width; ) the direction of training is; Figure 2-3 Sector selection; Sector step
2-3 2.3 Selecting Sector, Sector Stepping Sector width Sector means the width of the transducer training. The SEC-TOR control selects the training (display) area among six posi-tions. In the full circle mode (360 ° ) the direction of training is clockwise only. Table 2-2 Transducer training sector M...
Page 20 - Setting the Tilt Angle; Bottom echo and tilt angle
2-4 2.4 Setting the Tilt Angle The tilt angle shows the direction to which the sound wave isemitted. When the sound wave is emitted horizontally, the tiltangle is said to be 0 ° and when emitted vertically, 90 ° . To set a tilt angle, operate the TILT control. Watch the tilt angleindication at the t...
Page 21 - Figure 2-4 Fish echo and tilt angle; Points to consider; • Normally, a vertically distributed fish school is a better sonar; Tilt angle for surface fish
2-5 Case 1 Case 2 Case 3 Fish School a Bottom Case 1 Fish school a Bottom Case 2 Fish school a Fish school b Case 3 Fish school b Fish school b Figure 2-4 Fish echo and tilt angle Points to consider • Normally, a vertically distributed fish school is a better sonar target than the bottom, because it...
Page 22 - Figure 2-5 Tilt angle and sea surface reflections; Suitable tilt angle; Figure 2-6 Tilt angle and beam coverage
2-6 However if the sea is not calm enough, they will become domi-nant and interfere with observation of wanted echoes. To mini-mize these sea surface reflections and to search surface fishschools effectively, the tilt angle is usually set between 5 ° and 6 ° so the upper portion of the beam becomes ...
Page 23 - Figure 2-7 How to set the gain; Rejecting Sonar Interference and Noise; Figure 2-8 Noise and interference
2-7 2.5 Adjusting Gain Most equipment malfunctioning claims result from impropersetting of switches and controls. For example, fish, fish habitator outcrop can not be readily detected by merely increasingthe gain. Initially set the gain between 3 and 5 with the GAINcontrol. Then, fine tune depending...
Page 24 - Identifying noise source; • Operate all onboard equipment one by one while observing; Rejecting noise with the interference rejector; Note: When the sonar is used in shallow water with the range
2-8 Identifying noise source To eliminate noise effectively, you should first identify the sourceas follows: • Operate all onboard equipment one by one while observing the picture. • Run the boat at various speeds to check if the noise is speed dependent. If neither of the above affects the picture,...
Page 25 - Detecting Fish Schools Aurally
2-9 2.7 Detecting Fish Schools Aurally Occasionally you will be preoccupied with other tasks and un-able to concentrate on watching the sonar picture. In such casesit would be a good choice to use the audio function. This func-tion enables you to monitor echoes from fish schools and bot-tom through ...
Page 27 - Selecting Training Sector Quickly; Figure 2-9 How the SECTOR control and FULL/HALF key work
2-11 2.9 Selecting Training Sector Quickly Normally the training sector is selected by the SECTOR con-trol. To the training sector more quickly, however, use the FULL/HALF key. This key allows switching between full circle andhalf circle training sector in a single key stroke. FULL CIRCLE HALF CIRCL...
Page 28 - Suppressing Bottom Tail
2-12 0 10 DIMMER 0 10 BRILL HUE E/S FAST SCAN TRACK V:H RANGE AUTO TRAIN DEGAUSS BOTTOM MODE MENU MENU MENU : SONAR BOTTOM/3D E/S TX RATE : 10 TX PULSE LENGTH : LONG SHORT TX OUTPUT POWER : A B C(MAX) Figure 2-10 How to reduce bottom and surface reflections byreducing Tx output power 2.11 Suppressin...
Page 29 - Figure 2-11 How to adjust TVG
2-13 In the CH-37, the TVG LEVEL and TIME controls compensatefor propagation loss. The effective distance is up to 1000 mapproximately. Without TVG function Proper TVG setting Noise caused bystrong reflectionof surfaceturbulence. Nearer targetechoes appearin larger size. Reduce gain fornearbyareas,u...
Page 30 - Relocating Fish School for Easy Observation; Finding Fish School Center
2-14 2.13 Relocating Fish School for Easy Observation When a fish school is near the edge of the screen and inconve-nient for observation, use the “ ” expanded sonar mode andadjust the TRAIN control (off-center function) to relocate thefish school close to the screen center. Fish school Own ship Fis...
Page 31 - Sonar Menu Operation; Operating procedure; Press the MENU key on the sub panel 2.; Sonar menu description
2-15 2.15 Sonar Menu Operation Operating procedure 1. Press the MENU key on the sub panel 2. 2. Select the SONAR menu with the arrow keys on the sub panel 2. MENU : SONAR BOTTOM/3D DUAL E/S TX RATE : 10 TX PULSE LENGTH : LONG SHORT TX OUTPUT POWER : A B C(MAX) TX EXT SYNC : OFF ON IR : OFF ON STABIL...
Page 34 - Interpreting the Display; How the picture is painted; sector of the screen. Thus, all directions around the boat; Note: When the “FAST SCAN” is switched off, the equipment; sector in each transmission, so 60 times; Figure 2-16 How the picture is painted
2-18 2.18 Interpreting the Display This section provides the information necessary for interpret-ing the display. How the picture is painted The wide sounding beam is emitted from the soundome at acertain tilt angle (see hatched area in the figure below). Theinformation (target echoes) obtained by t...
Page 35 - Bottom echoes; Figure 2-17 Bottom echoes
2-19 Bottom echoes When the tilt angle is widened, the bottom echo illustrated be-low will appear on the display. When the tilt is narrowed, thebottom trace becomes wider and weaker. By observing thebottom condition on the display, the skipper can prevent netdamage. (A) Flat bottom Tilt angle: 10 ° ...
Page 36 - Fish schools; Figure 2-18 Fish schools
2-20 Fish schools A fish school appears as a mass of echoes on the screen. Thecolor of the mass shows the density of fish schools on the so-nar beam. To find distribution and center point of a fish school,try several different tilt angles. (A) Sea surface fish Tilt angle: -5 ° to 10 ° (B) Midwater, ...
Page 37 - Sea surface reflections; To reduce sea surface reflections, set the tilt angle to 5; Figure 2-19 Sea surface reflections; Wake; Figure 2-20 Wake appearance on the display
2-21 Sea surface reflections To reduce sea surface reflections, set the tilt angle to 5 ° or higher, so the upper edge of the sonar beam does not hit thesea surface, or adjust TVG. When a narrow tilt angle is used,sea surface reflections cover a large area as illustrated below. 15 ° 15 ° Sea surface...
Page 38 - False echo by sidelobe; Figure 2-21 Sidelobe echoes
2-22 False echo by sidelobe An ultrasonic wave is emitted only in the direction set by theTILT control, however there are some emissions outside themain beam. These are called sidelobes. The energy of thesidelobe is fairly weak but when the water is comparativelyshallow and the bottom is rocky and h...
Page 39 - Noise and interference; Figure 2-22 Noise and interference
2-23 Noise and interference When the fishing ground is crowded with many fishing boats,the sonar is subject to interference from ultrasonic equipment(echo sounder or sonar) on other boats as well as those onown ship. For instance, interference from the sonar operated on otherboats will show itself o...
Page 40 - Sonar Mode Indications; Normal sonar display; Figure 2-23 Indications on the normal sonar display
2-24 2.19 Sonar Mode Indications Normal sonar display Heading* Sector center marker Range Tilt Bearingscale Own shipmarker Courseline(Requiresnavigator orcurrent indicator) Bottomecho Fish school Northmarker* Trackball markerdata Trackballmarker C1: 0.9C2: 0.8C3: 0.5 2 3 1 Current data(Requirescurre...
Page 41 - Expanded sonar display; Figure 2-24 Indications on the expanded sonar display
2-25 Expanded sonar display Sector center marker Range Tilt Sector widthmarker Own shipmarker Trackballmarker Trackball markerdata R 150T 10 ° Figure 2-24 Indications on the expanded sonar display
Page 42 - Application Example; The figure below shows a typical sonar mode application.
2-26 2.20 Application Example The figure below shows a typical sonar mode application. Sonar (Horizontal) Mode PURSE SEINING BOTTOM TRAWLING After blinking, remains lit. 1 Power ON. 2 Lower soundome. 1 Power ON. 2 Lower soundome. Select the proper range andtilt angle. 3 Observe bottom on the screen....
Page 45 - VERTICAL FAN MODE; Typical Operating Procedure; Figure 3-1 Main panel and sub panel controls
3-1 VERTICAL FAN MODE 3.1 Typical Operating Procedure PWR O TRANSDUCER FULL HALF EVENT ENTER 1 2 3 CUSTOM MODE CH-37 R/B MODE TRAIN SECTOR TILT GAIN RANGE - + 0 10 LEVEL 0 10 TIME 0 10 DIMMER 0 10 BRILL 0 10 NL 0 10 AUDIO TVG HUE E/S FAST SCAN TRACK V:H RANGE AUTO TRAIN DEGAUSS BOTTOM MODE MENU MENU...
Page 46 - Note: The unit of range measurement can be changed through; Figure 3-2 How to select range
3-2 3.2 Selecting Range The RANGE control selects the detection (display) range. Se-lect the range according to either the fish species beingsearched or the depth desired. Normally it is set so that thebottom is traced at the lower part of the screen (like an echosounder). Surface Bottom RANGE m Ver...
Page 47 - Selecting Bearing for the Vertical Fan
3-3 3.3 Selecting Bearing for the Vertical Fan The TRAIN control determines the bearing of the vertical fanbeam. To which bearing the beam positions is known by thetrain indicator mark. Train Indicator Mark Training of Vertical Fan Beam Bow Bow TRAIN The training of the fan beam depends on the statu...
Page 48 - Selecting the Display Sector; Figure 3-4 Selecting the display sector
3-4 3.4 Selecting the Display Sector Sector center, width The SECTOR and the TILT controls determine the display area(sector width) and the display center (sector center) respec-tively. Mode Display Sector (transducer tilting sector) Vertical Fan Mode 36 ° 60 ° 96 ° 120 ° * 156 ° */180 ° * * Selecte...
Page 49 - Automatic Shifting of Own Ship Position; Figure 3-5 Automatic shift function; Rejecting Sonar Interference and Noise; Figure 3-6 Interference and noise
3-5 3.5 Automatic Shifting of Own Ship Position Own ship position on the screen is shifted automatically eitherrightward or leftward according to the direction of the sectorcenter and the display sector width. The figure below shows the own ship position has been shiftedrightward on the screen to pr...
Page 50 - Horizontal, Vertical and Event Markers
3-6 3.7 Horizontal, Vertical and Event Markers (trackball operation) The trackball functions to obtain the data (horizontal range anddepth) from own ship to the specified position on the screenand, combined with the R/B and EVENT keys, switches theHorizontal, Vertical and Event markers on/off. Event...
Page 51 - Applying Proper TVG; Figure 3-8 Examples of proper and improper TVG
3-7 Function Procedure/Purpose TrackballData 1) Position the trackball marker on the desired location.2) Read the trackball data displayed at the upper left corner of the screen. Trackball data Trackball marker Horizontal RangeDepth 3.8 Applying Proper TVG The TVG function is the same as the one exp...
Page 52 - Basic procedure; Bottom/3D menu description; ing it once a fish school is detected.
3-8 3.9 Bottom/3D Menu Operation Basic procedure 1. Press the MENU key on the sub panel 2. 2. Select BOTTOM/3D with the arrow keys in the sub panel 2. 3. Select item and setting with the arrow keys. The selected item is highlighted and the current setting is circumscribedin white. 4. To return to th...
Page 53 - Interpreting the Display; Figure 3-10 How the vertical fan picture is painted
3-9 3D VIEW SCALE: Determines the depth item, time or distancefor 3D display mode. (Requires optional equipment.) TIME SCALE or DISTANCE SCALE: Selects z-axis scale of3D picture. 3.10 Interpreting the Display This section provides the information necessary for interpret-ing the display. How the pict...
Page 54 - When ship passes over fish schools; Figure 3-12 Picture appearance when passing over fish schools
3-10 Port-starboard picture (bottom) You can see fish echoes at the center-right of the CRT. Thebottom is displayed wider as the distance from the ship’s posi-tion increases. Therefore, it may be difficult to discriminate bot-tom fish. Own ship Fishschool Bottom PORT STBD Figure 3-11 Port-starboard ...
Page 55 - Display of net hauling; Figure 3-13 Net hauling and sonar picture; False echo; Figure 3-14 False echoes; TIP! Training indicator and screen display.
3-11 Display of net hauling This is an example of net hauling display. The location of thenet is indicated clearly. (Ship is stopped.) Own ship Backward FORE AFT Net Figure 3-13 Net hauling and sonar picture False echo In a shallow water (less than 100 m) detection, unwanted ech-oes shown in the fig...
Page 56 - Vertical Fan Mode Indications; Figure 3-15 Indications in the vertical fan mode
3-12 3.11 Vertical Fan Mode Indications Heading Train indicator H-Range V-Range H-RangescaleFish schools Bottom 2nd reflection V-Range scale Vertical/Horizontalmarker data Trackball Trackballdata Net mouth mark Figure 3-15 Indications in the vertical fan mode
Page 57 - How to Use the Vertical Fan Mode; Figure 3-16 Vertical fan mode usage in trawling
3-13 3.12 How to Use the Vertical Fan Mode [1] TRAWLER (Surface/Mid-water/Bottom) Usage Fish school detectionBottom shape discriminationRelation between fish school and fishing gear Auto train 1 Turn on the AUTO TRAIN key on the sub panel 2 and set the direction of the train center to the fore-aft d...
Page 58 - Figure 3-17 Vertical fan mode usage on purse seiner
3-14 [2] PURSE SEINER Usage Tracking fishObservation of fish movement/bottom shapeConfirmation of net forming 1 Approach the fish school while observing their distribution on the sonar mode. 3 Shoot the net, and then observe the location of the fish and the status of the net. 2 While approaching, fa...
Page 59 - D MODE; Selecting a 3D Display; Frontal image; Figure 4-1 Frontal image
4-1 3D MODE The 3D mode shows vertical echoes (real time echoes) and afrontal or oblique image of the bottom just passed, like a graphictrack plotter. This mode is useful for locating a wreck, a shoalor a fishing reef. Vertical echoes can be turned on/off throughthe BOTTOM/3D menu. 4.1 Selecting a 3...
Page 60 - Oblique image; Figure 4-2 Oblique image
4-2 Oblique image The oblique image is the equivalent of the frontal image ro-tated by 45 ° counterclockwise. Own position Sectionalview Figure 4-2 Oblique image 4.2 Turning Vertical Echoes On/Off Vertical echoes, namely, real time echoes, can be turned on oroff on the VERT. ECHO OVERLAY field of th...
Page 61 - Changing 3D View Scale Mode and Scale Selection
4-3 4.3 Changing 3D View Scale Mode and Scale Selection The depth (z-axis) of the graph is displayed in either “TIMe” or“DISTance” scale mode. The depth can be set to 500 or 1000meters in the distance scale mode, or 1/1, 1/2 or 1/4 in the timescale mode. The fraction means graph update/number of tra...
Page 63 - Press the ENTER key to display the CUSTOM MODE menu.
5-1 CUSTOM MODE KEYS ( ¡ ¡ ¡ ¡ ¡ , ™ ™ ™ ™ ™ , £ £ £ £ £ ) 5.1 About the Custom Mode Keys Like the redial feature on a telephone, the custom mode keysrecord control settings and play them back in a single key stroke.This feature is useful when you need to quickly set up the so-nar according to fishi...
Page 64 - Custom Mode Operation; Press desired custom mode key
5-2 5.3 Custom Mode Operation 1. Press desired custom mode key ¡ , ™ or £ . 2. To escape from the custom mode settings, adjust any con- trols. [Example] FISHING GROUND MODERANGE 200 mSECTOR 360 ° TRAIN 0 ° TILT 30 ° MODERANGE 100 mSECTOR 180 ° TRAIN 90 ° TILT 90 ° MODERANGESECTORTRAINTILT Fold here ...
Page 65 - MENU SETTINGS; System Setting Menu
6-1 MENU SETTINGS 6.1 System Setting Menu 1. Turn on the power while pressing the MENU key. Release the key when you hear a beep. The SYSTEM menu ap-pears. ** SYSTEM SETTING ** EXIT : PRESS MENU KEY 3D DISPLAY : OFF ON SHIP’S POSITION : OFF L/L LOP CURRENT DATA : OFF FLOW FROM FLOW TO DEPTH DATA : O...
Page 66 - Table 6-1 System setting menu description; Screen Adjustment; Screen size and position can be adjusted as follows:
6-2 Table 6-1 System setting menu description m e t I n o i t p i r c s e D Y A L P S I D D 3 . f f o / n o y a l p s i d D 3 s n r u T N O I T I S O P S ' P I H S e d u t i t a l ; t a m r o f n o i t i s o p s t c e l e s d n a f f o / n o n o i t a c i d n i n o i t i s o p s n r u T . P O L n a ...
Page 68 - Figure 6-3 System menu; Range - sonar mode menu; RANGE - SONAR MODE
6-4 6.3 System Menu Press the MENU key while turning on the power. The SYSTEMmenu appears. ** SYSTEM MENU ** SYSTEM SETTING RANGE - SONAR MODE RANGE - VERTICAL FAN MODE RANGE/SHIFT - E/S COLOR LANGUAGE DISPLAY TEST1 - ROM/RAM/KEY TRAIN/TILT TEST SCREEN ADJUSTMENT TEST PATTERN DISPLAY TEST2 - OPERATI...
Page 69 - Range - vertical fan mode; Select RANGE-VERTICAL FAN MODE from the SYSTEM; Figure 6-5 Range - vertical fan mode menu
6-5 3. Select range. 4. Set range. 5. To return to the SYSTEM menu, press the MENU key. 6. To quit, reset the power. Range - vertical fan mode 1. Select RANGE-VERTICAL FAN MODE from the SYSTEM menu. 2. Press the MENU key. ** RANGE - VERTICAL FAN MODE ** 1 : 20 2 : 40 3 : 60 4 : 80 5 : 100 6 : 120 7 ...
Page 71 - Color setting; The color setting screen allows you to adjust display colors.
6-7 Color setting The color setting screen allows you to adjust display colors. 1. Select COLOR from the SYSTEM menu. 2. Press the MENU key. ** COLOR ** LEVEL : R G B 15 : 11 0 0 14 : 13 0 0 13 : 15 0 0 12 : 15 4 0 11 : 14 6 0 10 : 14 9 0 9 : 14 11 0 8 : 13 13 0 7 : 11 13 0 6 : 0 13 0 5 : 0 12 9 4 :...
Page 72 - Factory setting menu (restoring default settings); Figure 6-8 Default screen; Display test - operation; Select DISPLAY TEST - OPERATION from the SYSTEM
6-8 Factory setting menu (restoring default settings) 1. Select DEFAULT from the SYSTEM menu. 2. Press the MENU key. EXIT : PRESS MENU KEY NOTE! ALL SETTINGS INCLUDED IN SYSTEM MENU WILL BE CHANGED TO FACTORY SETTING ** DEFAULT ** ARE YOU SURE? : NO YES Figure 6-8 Default screen 3. Select YES and pr...
Page 73 - Description of DUAL menu; key on the sub panel.
6-9 6.4 Dual Menu Press the [MENU] and choose DUAL to open DUAL menu. MENU : SONAR BOTTOM/3D DUAL E/S DUAL MODE : E/S BOTTOM SONAR NET MOUTH SHIFT : 1 NET MOUTH WIDTH : 100 NET MOUTH HEIGHT : 30 NET DEPTH : AUTO MANUAL OFF HOR SCAN RATE : 1 VER SCAN PATE : 1 EXIT : PRESS MENU KEY Description of DUAL...
Page 75 - MAINTENANCE & TROUBLESHOOTING; Maintenance of Display Unit
7-1 MAINTENANCE & TROUBLESHOOTING Good performance depends on regular maintenance. Follow-ing the recommended procedures in this chapter will keep theequipment operating in top condition for years to come. ELECTRICAL SHOCK HAZARDDo not open the equipment. Only qualified personnelshould work insi...
Page 76 - Maintenance of Hull Unit; Lubrication; Turn off the breaker on the hull unit.; Figure 7-1 Using the hand crank
7-2 7.3 Maintenance of Hull Unit Lubrication Grease the raise/lower screw shaft once a year. Also, greasethe raise/lower main shaft (upper part of the grease cotton re-tainer) twice a year. These parts can accessed by removingthe raise/lower drive assembly cover. Manual raise/lower of transducer wit...
Page 77 - Display Unit Test; Turn on the power while pressing and holding down the; Figure 7-2 System menu
7-3 7.4 Display Unit Test This test checks the ROM, RAM and keyboard for proper op-eration. 1. Turn on the power while pressing and holding down the MENU key. Release the MENU key when you hear a beep.The SYSTEM menu appears as shown below. ** SYSTEM MENU ** SYSTEM SETTING RANGE - SONAR MODE RANGE -...
Page 78 - Figure 7-3 Display unit test results
7-4 ** DISPLAY TEST ** PROGRAM NO. 0650101-xxx MAIN PANEL ROM OK * * * SRAM OK 12 12 VRAM OK 0 255 SIO1 OK 12 0 SIO2 OK 0 0 0 TX FREQUENCY 60KHZ X: 0 Y: 0 ROLL 0 0 0 0 PITCH 0 0 REMOTE CONTROL 0 0 0 255 255 255 * 0 0 0 * * 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EXIT 0 0 0 SUB PANEL EXIT : PRESS MENU KEY RO...
Page 80 - Figure 7-5 Test pattern; Raise/lower error message
7-6 7.6 Test Pattern This test checks display position and colors. 1. Turn on the power while pressing and holding down the MENU key. 2. Select TEST PATTERN with the arrow keys in the sub panel 2. 3. Press the MENU key to start the test. Position check BLACK BLUE GREEN RED Figure 7-5 Test pattern 4....
Page 81 - Transceiver unit error message; Figure 7-7 Transceiver unit error message; Speed warning; Figure 7-8 Speed warning
7-7 Transceiver unit error message If the power is not supplied to the transceiver unit, the followingmessage appears on the screen and the buzzer sounds. TRANSCEIVER UNIT POWER OFF (CHECK FUSE ON TRANSCEIVER UNIT) PRESS R/B KEY TO SILENCE ALARM Figure 7-7 Transceiver unit error message If this occu...
Page 82 - Train error message; Figure 7-9 Train error message; Tilt error message; Figure 7-10 Tilt error message
7-8 Train error message If something is wrong with the train control circuit, the followingmessage appears and the unit stops operating. Turn the PWRswitch off and contact your service agent at your earliest con-venience. TRAIN NG Figure 7-9 Train error message Tilt error message If something is wro...
Page 83 - Troubleshooting Table
7-9 7.8 Troubleshooting Table The table below provides common symptoms of equipmenttroubles and the means to rectify them. If normal operationcannot be restored, do not check inside the system. Any repairwork is best left to a qualified technician. Check Symptom No picture Power supply. Check ship’s...
Page 85 - CUSTOM MODE KEY LABELS
AP-1 CUSTOM MODE KEY LABELS (FRONT) (BACK) MODERANGESECTORTRAINTILT 200m 0 ° 225 ° 30 ° 200m 0 ° 360 ° 30 ° 100m 180 ° MODERANGESECTORTRAINTILT MODERANGESECTORTRAINTILT FISHING GROUND MODERANGESECTORTRAINTILT MODERANGESECTORTRAINTILT MODERANGESECTORTRAINTILT FISHING GROUND MODERANGESECTORTRAINTILT M...
Page 86 - SPECIFICATIONS OF COLOR SECTOR SCANNING SONAR
SP - 1 SPECIFICATIONS OF COLOR SECTOR SCANNING SONAR CH-37 1. GENERAL (1) Display System PPI display on high resolution 15 ” (381mm) color CRT (2) Picture Color 16 or 8 color depending on signal strength (3) Display Mode 1) Normal sonar mode display* 2) Expanded sonar mode display 3) Vertical fan mo...
Page 89 - INDEX
Index-1 INDEX ¡ , ™ , £ keys (custom mode keys) 5-1–5-2 3D mode 4-1–4-33D view scale (time, distance) 4-3 A AUDIO control 2-9AUTO TRAIN key 3-3Auto train sector (vertical fan mode) 3-8 B Background color 1-6Beamwidth (vertical fan mode) 3-8Bottom/3D menu 3-8BRILL control 1-3 C Color adjustment 6-7Co...