Furuno MODEL CSH-73 - Manual

Page 3 - iiiiiiiiiiiii; SAFETY INSTRUCTIONS; CAUTION; WARNING

iiiiiiiiiiiii i SAFETY INSTRUCTIONS CAUTION Use the proper fuse. Use of a wrong fuse can result in fire orpermanent equipment damage. Do not use the equipment for other thanits intended purpose. Personal injury can result if the equipmentis used as a chair or stepping stool, forexample. Do not place...

Page 4 - ii; TABLE OF CONTENTS

ii TABLE OF CONTENTS FOREWORD A Word to CSH-73 Owners ...................................................................................................... vFeatures ........................................................................................................................................

Page 5 - iii; FUNCTION KEYS

iii FUNCTION KEYS Programming the Function Keys ........................................................................................... 6-1Replaying a Function Key ..................................................................................................... 6-2Function Key Fine Tuning .....

Page 6 - iv

iv SELF TESTS Opening the Self Test Menu ................................................................................................ 11-1Self Test Description ............................................................................................................ 11-2Interface Unit CS-120A ...

Page 7 - FOREWORD; A Word to CSH-73 Owners; Thank you for considering and purchasing FURUNO equipment.; Features; The main features of the CSH-73 are

v FOREWORD A Word to CSH-73 Owners Congratulations on your choice of the FURUNO CSH-73 Color Scanning Sonar. We areconfident you will see why the FURUNO name has become synonymous with quality andreliability. For over 40 years FURUNO Electric Company has enjoyed an enviable reputation for qual-ity m...

Page 8 - vi; System Configuration

vi System Configuration STANDARD OPTION REMOTE CONTROL BOX CSH-116 DISPLAY UNIT CSH-731 REMOTE DISPLAY CSH-106 SUB DISPLAY CSH-736 STEP-DOWN TRANSFORMER PT-400 INTERFACE UNIT CS-120A IE/S NTERFACE UNIT VI-1100A FNZ JOINT BOX CS-170 TRANSCEIVER UNIT CSH-710 SHIP’S MAINS100 VAC, 1 φ , 50/60 Hz HULL UN...

Page 9 - CONTROL DESCRIPTION

1-1 CONTROL DESCRIPTION Control Layout on Display Unit and RemoteControl Box RECALL MEMO HIST E/S NORM - + F3 F2 F1 ON OFF + - GAIN + - RANGE TILT WIDTH AUTO TILT WIDTH AUTO TRAIN EVENT1 NET COURSE FISH ESTI- MATE1 EVENT2 TARGET LOCK OFF- CENT ESTI- MATE2 DIM CONT BRILL AUDIO POWER TRANSDUCER PUSH-O...

Page 10 - Main Panel; Figure 1-2 Main panel

1-2 Main Panel RECALL MEMO HIST E/S NORM - + F3 F2 F1 ON OFF + - GAIN + - RANGE TILT WIDTH AUTO TILT WIDTH AUTO TRAIN EVENT1 NET COURSE FISH ESTI- MATE1 EVENT2 TARGET LOCK OFF- CENT ESTI- MATE2 DIM CONT BRILL AUDIO POWER TRANSDUCER TRAIN Figure 1-2 Main panel Main panel control description l o r t n...

Page 12 - Sub Panel 1; Figure 1-3 Sub panel 1; Control

1-4 Sub Panel 1 RECALL MEMO HIST E/S NORM F4 F5 F3 F2 F1 ON OFF POWER TRANSDUCER CARD REPLAY COLOR NET REPLAY TX HELP END MENU MEMORY CARDDRIVE CARD EJECTBUTTON Figure 1-3 Sub panel 1 Sub panel 1 control description Control Function MENU Opens/closes the menu. END • When the menu is displayed it ter...

Page 13 - Figure 1-4 Sub panel 2

1-5 Sub Panel 2 (data setting window) SIGNAL DELETE MK TVG•TX ES SONR•BEAM AUTO ALM•AUDIO NEAR 7 MEDIUM 8 FAR 9 CYCLE 7 PL 8 OUTPUT 9 TVG TX + + + + + + – – – – – – h g OPERP-SET (TOGGLE) Setting change keysChange control setting. Item selection keysSelect item. OPER P-SET keyOpens/closes data setti...

Page 16 - Remote Control Box; Figure 1-5 Remote control box

1-8 Remote Control Box 1 2 3 DISP SELECT DATA d c d EVENT TGT LOCK ESTIMATE 1 NET COURSE FISH OFF- CENT TX 1 2 3 4 FUNCTION 5 – + RANGE + – GAIN SHOOT MEMO RECALL AUTO AUTO VERT SCAN TILT TRAIN SCAN DEPTH Each press displays water temperature or depth at screen center for about five seconds. Turns o...

Page 17 - OPERATIONAL OVERVIEW; Turning the Power On/Off; Turning the power on; Retract the transducer with the; Adjusting Screen Brilliance, Control Panel Backlighting; Press

2-1 OPERATIONAL OVERVIEW Turning the Power On/Off Turning the power on Press the ON key on the main panel. The lamp above the keyshould light. If it doesn’t press the TX switch on sub panel 1. Turning the power off Retract the transducer with the c key and then press the OFF key on the main panel. N...

Page 18 - Selecting a Display Mode; Table 2-1 Display mode description; Mode

2-2 Selecting a Display Mode The CSH-73 provides three display modes: normal sonar pic-ture, echo sounder (E/S) combination, and history display com-bination. Those modes may be selected with the NORM, E/Sand HIST keys. Table 2-1 Display mode description Mode Description The sonar picture appears ov...

Page 19 - Finding a proper tilt angle is important when searching for fish.; Figure 2-1 Tilt angle

2-3 Selecting a Display Range Operate the RANGE control to select a display range. The rangeselected appears at the top center of the screen. 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 sai...

Page 20 - Adjusting the Gain; Figure 2-2 Gain settings and resulting pictures; Measuring Range and Bearing to a Target; Figure 2-3 Location of range and bearing indications; Note: The bearing is shown in either 360; indication

2-4 Adjusting the Gain The GAIN control adjusts receiver sensitivity (gain). Adjust itso fish echoes are clearly displayed with minimal noise on thescreen. Too high a setting not only displays excess noise andmakes it difficult to discriminate wanted echoes but also causesseabed echoes to be painted...

Page 21 - FINE TUNING THE PICTURE; Figure 3-1 Display unit; Eliminating Unwanted Feeble Echoes

3-1 FINE TUNING THE PICTURE This chapter provides the information necessary for tuning thesonar picture. All operations are performed on sub panel 2 (datasetting window). Sub Panel 2 Figure 3-1 Display unit Eliminating Unwanted Feeble Echoes Echoes from targets such as seabed and fish return to the ...

Page 22 - Figure 3-2 Principle of TVG; How to adjust TVG; There setting are useful for almost cases.

3-2 100 m Near Far Med 400 m 25 m Figure 3-2 Principle of TVG The TVG is also used to suppress unwanted echoes and noisewhich appear in a certain range area on the screen such as seasurface reflections and cruising noise. To set TVG properly, dothe following: How to adjust TVG 1. Open sub panel 2. 2...

Page 23 - Suppressing Seabed Tail; AGC function is fixed at “3”.

3-3 Suppressing Seabed Tail AGC (data setting window: SIGNAL, SIGNALPROCESS) The AGC functions to automatically reduce the receiver gainonly against strong echoes such as the seabed or a large fishschool. Since weak echoes remain unaffected, a small fish schoolbecomes easier to detect. Adjust it so ...

Page 24 - Rejecting Sonar Interference and Noise

3-4 Suppressing Seabed and Sea Surface Reflections inShallow Waters Data setting window: TVG•TX, OUTPUT In shallow fishing grounds with hard or rocky bottom, seabedreflections often interfere with wanted fish echoes and they cannot be eliminated sufficiently with the aforementioned TVG andAGC contro...

Page 25 - Figure 3-4 Forms of interference; Identifying noise source; Turn off the TX switch and operate all on-board equipment

3-5 Interference from other sonar Cruising (propeller) noise of own ship Cruising noise from other boat Figure 3-4 Forms of interference Identifying noise source To eliminate noise effectively, you should first identify the noisesource as follows: 1. Turn off the TX switch and operate all on-board e...

Page 26 - Figure 3-5 How CYCLE works

3-6 Inter-ference Figure 3-5 How CYCLE works Note: When the sonar is used in shallow water with the rangeset between 60 m and 200 m and Tx cycle at “9”, seabed reflec-tions caused by the 2nd-to-the-last transmission may appear onnear ranges. Reduce the Tx cycle setting to “2” or “3” to sup-press the...

Page 27 - Adjusting Beamwidth; Table 3-1 Beamwidth adjustment menus; Menu

3-7 Adjusting Beamwidth Beamwidth can be adjusted at SONR•BEAM, BEAM on thedata setting window. Table 3-1 Beamwidth adjustment menus Menu Application HOR Set to "0" for normal use. The higher the setting thenarrower the beam. This control may be usedtogether with the AGC and NL controls to s...

Page 29 - MARKS AND DATA; Marks, Data and Display Mode; Normal display mode

4-1 MARKS AND DATA Marks, Data and Display Mode Normal display mode Figure 4-1 Marks and data appearing in the normal displaymode

Page 30 - Normal display mode w/text

4-2 Figure 4-2 Marks and data appearing in the normal displaymode w/text Figure 4-3 Marks and data appearing in the echo sounderconbination display mode Normal display mode w/text Echo sounder combinationdisplay

Page 31 - Permanently Displayed Marks and Data; History display

4-3 Figure 4-4 Marks and data appearing in the history displaymode Permanently Displayed Marks and Data Range Data R Shows the range scale set with the RANGE control. Tilt Angle Data T ˚ Train Angle Data R0 Mark/Data Description The tilt angle appears below the range. The tilt angle can be changedin...

Page 32 - Erasable Marks and Data; Mark/Data Description

4-4 Mark/Data Description Shows own ship's present position. The direction of the arrow showsship's heading. This mark moves with ship's movement in the truemotion mode*. On all other modes it is fixed at the screen center. Own Ship's Mark When the CSH-73 is connected to a gyrocompass the mark is ca...

Page 34 - Mark Description

4-6 Ship's Track Mark* With gyrocompass or speed log connection, own ship's track is plotted by a solid line. The track length to display can be selected among 5, 10, 20 and 40 times the range.When the length of the line exceeds selected value the oldest part of the track is erased. Nav Data* Own Sh...

Page 35 - Mark Description

4-7 Mark Description Target Lock Mark* The target lock mark automatically tracks the fish school selectedby the operator. This function requires speed and gyrocompass inputs. Net Shooting Mark Net Shooting Data Press the SHOOT key at the instant you shoot the net to display thenet shooting mark on t...

Page 37 - USER MENU OVERVIEW; USER Menu Operation; Press the MENU key to open the USER menu.

5-1 USER MENU OVERVIEW Many functions are carried out through the menu system, whichconsists of the USER, SYSTEM, DATA SET and INITIAL SET/DATA menus. The menu you will use most often is the USERmenu. Menu How to open USER Press MENU. SYSTEM Press c and MENU together. DATA SET Press d and MENU toget...

Page 38 - Operate the up and down arrow keys in sub panel 1 to select; Note: The HELP key provides menu operating information.; Figure 5-3 Menu screen location and display mode

5-2 2. Operate the arrow keys in sub panel 1 to select a menu. As you move through the menu, each item, initially shown asblue on gray, reverses to gray on blue to show selection. Forexample, select the HIST DSP/GRPH menu. 3. Press the MENU key to display menu selected. USER MENU Select item with dc...

Page 39 - USER Menu Description; Table 5-1 User menu description

5-3 USER Menu Description Table 5-1 User menu description Menu Menu Item Description CARDUTILITY List Lists contents of memory card. Save Saves control and menu settings to memory card. Delete Deletes data from memory card. Initialize Formats memory card. CARD ECHODAT Save Saves echo inside estimate...

Page 41 - Programming the Function Keys; Select the FUNCTION KEY menu and press the MENU key.; Figure 6-1 FUNCTION KEY menu

6-1 FUNCTION KEYS Similar to the quick dialing function on a telephone, the fivefunction keys (F1–F3) on the main panel record control and menusettings and replay them back exactly as programmed. The itemsyou can program are gain, display mode, TX ON/OFF, USERmenu, SYSTEM menu, DATA SET menus and da...

Page 42 - Replaying a Function Key; Note: Register function keys beforehand to use this function.; Press desired function key. The lamp above the function key

6-2 FUNCTION KEY REGISTER 1 USER MENU Customized settings are registered to FUNCTION keys. Select key number with ↑ ↓ key and press MENU key. Press END key to return to sub menu. Figure 6-2 REGISTER menu 5. Press the up or down arrow key in the sub panel 1 to select the function key to program, then...

Page 43 - Saving Function Key Settings to a Memory Card; Figure 6-2 CARD UTILITY menu; Replaying Function Key Settings from a Memory Card; Press the CARD REPLAY key on sub panel 1.

6-3 Function Key Fine Tuning Fine Adjustment Item -4 -3 -2 -1 0 1 2 3 4 5 TVG Near -3 -2 -1 0 0 1 1 2 3 4 TVG Mid -3 -2 -1 0 0 0 1 1 2 3 TVG Far -3 -2 -1 0 0 0 0 1 1 2 Tx Cycle 0 0 0 0 0 0 0 0 0 0 Tx Beamwidth -3 -2 -1 0 0 0 0 0 0 0 Tx Power -2 -1 0 0 0 0 0 0 0 0 Saving Function Key Settings to a Me...

Page 45 - ADVANCED LEVEL OPERATION; Finding Fish School Center; varies at every transmission as follows:

7-1 ADVANCED LEVEL OPERATION Finding Fish School Center When you want to find the center depth of a fish school, use theauto tilt function, which automatically scans the tilt angle withinthe selected width. Table 7-1 Automatic scan range at menu setting WIDE of OTHERsub menu in the INIT SET/TEST men...

Page 46 - Tracking a fish school; Operate the trackball to place the trackball mark on fish school; Figure 7-2 Target lock mark and target lock data

7-2 Tracking a Fish School (target lock) Target lock, which requires speed and heading inputs, automati-cally tracks an important fish school so that you wonít lose sightof it on the display screen. Two types of target lock are avail-able: Target Mark or Fish. One may be selected on the SYS-TEM menu...

Page 47 - Target lock mark appearance; Figure 7-3 Target lock mark appearance; Erasing target lock mark; Target lock marks may be erased as follows:; Choosing target lock mode; Two types of target lock are available: target mark and fish.

7-3 Target lock mark appearance The size and thickness of the target lock mark indicates fish speedand tracking status, as shown below. Meaning Target lockmark appearance Mark size indicatesrelative speed. FastMediumSlow (More than 5Tx cycles)(Up to 3 Txcycles) Mark thickness showstracking status. F...

Page 48 - Tracking target lock mark; Operate the trackball to place the trackball mark on the fish; Figure 7-4 Target lock and tilt angle

7-4 4. Select Tracking Method, and then press the [MENU] key. 5. Select method desired. 6. Press the [END] key several times to close the menu. Tracking target lock mark 1. Operate the trackball to place the trackball mark on the fish school you want to track. 2. Press the [TARGET LOCK] key to light...

Page 49 - Setting target lock conditions; down arrow key in sub panel 1.; Figure 7-5 Target lock menu

7-5 Setting target lock conditions 1. Open the sub panel 1. 2. Press the [MENU] key while pressing and holding down the down arrow key in sub panel 1. 3. Select TARGET LOCK with the arrow keys. 4. Press the [MENU] key. SYSTEM MENU TARGET LOCK Tracking Method TGT Mark Fish Track Echo Color 8 Choose w...

Page 50 - Description of target lock items

7-6 Description of target lock items TrackingMethodSets target lock function: target lock mark, fish or automatic. Track Echo Color Sets minimum echo signal level to track. A fish school whosesignal level is above the level set here is tracked. Fish Speed Limit Sets fish speed at which target lock i...

Page 51 - Detecting Fish Schools Aurally

7-7 Detecting Fish Schools Aurally Sometimes you may be preoccupied with other tasks and unableto concentrate on watching the sonar picture. In such cases itwould be a good choice to use the audio function. This functionenables you to monitor echoes from fish schools and seabedthrough the built-in s...

Page 52 - The Fish Alarm; Set echo strength level which will activate the alarm.; Figure 7-6 How to set the fish alarm zone

7-8 The Fish Alarm The fish alarm sounds an audible alarm when a fish echo abovea preset strength enters an alarm zone. You set parameters forthe fish alarm at ALM on the data setting window. ON/OFF: Turn alarm on or off.Level: Set echo strength level which will activate the alarm. Zone: Set alarm z...

Page 53 - Relocating Fish School for Easy Observation; Operate the trackball to place the trackball mark on the posi-

7-9 Relocating Fish School for Easy Observation 1. Operate the trackball to place the trackball mark on the posi- tion where you want to relocate the own ship mark. 2. Press the OFF-CENT key. 3. To move the own ship mark back to the screen center, press the OFF-CENT key again. Own shipmark Place tra...

Page 54 - Comparing of Fish School Concentration; Figure 7-8 Estimate marks and their data

7-10 Comparing of Fish School Concentration You can get an estimate of the volume of two fish schools byusing the two ESTIMATE keys. 1. Operate the trackball to place the trackball mark on a fish school, and then press the ESTIMATE 1 key. The estimate mark appears on the fish school. Relative vol-um...

Page 55 - Measuring Fish School Speed; Figure 7-9 How to measure fish speed

7-11 Measuring Fish School Speed To ensure a good haul, it is important to estimate the directionand speed of the fish school before shooting the net. You can dothis with the FISH key. If the tidal current data is used togetherwith fish speed data, you can determine the timing of the netshooting mor...

Page 56 - The Event Mark; Figure 7-10 Event marks

7-12 Note 3: Each time the FISH key is pressed the latest fish markand ship’s speed mark change in the sequence shown below: Fish key pressed once: Fish key pressed twice: Fish key pressed three times: Fish key pressed four times: ↓ ↓ X → ↓ X ↓ ↓ X → ↓ → The Event Mark The event mark is useful for f...

Page 57 - Entering an event mark; Set the trackball mark where you want to place an event mark; Figure 7-11 Event mark description; Erasing an event mark

7-13 Entering an event mark 1. Set the trackball mark where you want to place an event mark (latest event mark). 2. Press an EVENT key. The horizontal range, depth and bear- ing to the event mark appear at the bottom left corner of thescreen. (35) Stored when EVENT key is pressed. A B → 234: Horizon...

Page 58 - True Motion Display; Figure 7-12 True motion display

7-14 True Motion Display The relative motion display places the own ship mark at the screencenter, and echoes from fish and the seabed move on the screenrelative to own ship’s movement. This means that even whenthe ship is dead in water, fish echoes move on the display. In the true motion display, h...

Page 59 - Plotting Net Location Mark; This function requires speed and heading inputs.

7-15 Plotting Net Location Mark Before shooting net, you will decide the shoot timing consider-ing the water current direction, distance to fish school and mov-ing direction of the fish school. Use the net location mark as aguide to decide the timing. This function requires speed and heading inputs....

Page 60 - Setting Distances Between Net Sonde Transmitters; Figure 7-14 How to measure distances between transmitters; How to set net sonde transmitter distances; Press the MENU key while pressing and holding down; Figure 7-15 DATA SET menu

7-16 Setting Distances Between Net Sonde Transmitters To accurately display the net shooting mark and net sonde markposition, the distance between transmitters must be correctly set.This is done on the DATA SET menu. R0: Length of net from its end to transmitter1 in meters.R1: Length of net between ...

Page 61 - Observing Net Behavior

7-17 Observing Net Behavior With net sonde connection you can observe net behavior afterthe throwing of the net, on the echo sounder combination mode.Accurate depiction of net sonde position depends on proper set-ting of the distances between net sonde transmitters. You can setthose distances on NET...

Page 62 - Port/Starboard, Horizontal Slice Displays; Port/Starboard display

7-18 Port/Starboard, Horizontal Slice Displays The port/starboard display or horizontal slice display may bedisplayed by pressing the [HIST] key. The display shown de-pends on the setting of “HIST DSP/GRPH” in the USER menu. Port/Starboard display The port/starboard display takes echoes along the be...

Page 63 - Horizontal slice display; Figure 7-18 Horizontal slice display

7-19 Horizontal slice display 120 degrees of the picture in the horizontal direction is shownfor a given depth (D) in the horizontal slice window at the bot-tom of the display. The area to display may be selected with the[R/B] key. Range Mark Horizontal Slice Width D Bearing Mark Range Mark Color Ba...

Page 64 - Select DELETE MK to delete the following marks:; Turning marks on/off through the user menu; The following marks can be turned on/off thru the USER menu:

7-20 Turning Marks, Data On/Off You can turn marks and data on or off through the data settingwindow or the USER menu. Turning marks on/off through the data settingwindow (Sub Panel 2) Select DELETE MK to delete the following marks: Event Mark 1 Event Mark 2 Fish Mark Own Ship Mark Ship's Track Each...

Page 65 - SAVING, REPLAYING PICTURE; Initializing Memory Cards; Press the MENU key to display the USER menu.

8-1 SAVING, REPLAYING PICTURE You can save either the whole screen or the echo inside the esti-mate mark to the internal memory or a memory card. e v a S o t a t a D d o h t e M g n i v a S o t g n i v a S , s k r a m , e r u t c i p e l o h W a t a d c i r e m u n a h p l a d n a y e k O M E M g n ...

Page 66 - Saving the Picture; Est MK: Saves echo inside the estimate mark to internal

8-2 Saving the Picture 1. Press the MENU key to display the USER menu. 2. Select SAVE PICTURE. 3. Select item to save: Whole: Saves whole picture to memory card. Est MK: Saves echo inside the estimate mark to internal memory. (About 20 pictures can be saved.) QK Save: Saves whole screen to the inter...

Page 67 - Saving Net Shooting Data; How net shooting data is saved

8-3 Saving Net Shooting Data How net shooting data is saved The unit starts accumulating net shooting data when the SHOOTkey is pressed. When net shooting is concluded by pressing theSHOOT key again, the echo inside the estimate mark and othernet shooting data are saved to the internal memory. Note ...

Page 68 - Replaying Saved Data; Whole picture or echo inside estimate mark; Deleting Memory Card Contents

8-4 Replaying Saved Data Whole picture or echo inside estimate mark 1. Press the RECALL key (on the main panel). 2. Press the right or left arrow key in sub panel 1 to select item to replay. The left arrow key selects older data (for example,data in memory card); the right arrow key newer (for ex-am...

Page 69 - INTERPRETING THE DISPLAY; Seabed Echoes; Figure 9-1 Seabed echoes

9-1 INTERPRETING THE DISPLAY Seabed Echoes When the tilt angle is set at 90 degrees with the sector centerfaced dead ahead, the pictures illustrated below will appear onthe screen. The seabed echo is represented on the screen as athick line which realistically shows the bottom contour. Whenthe tilt ...

Page 70 - Fish Schools; Surface Fish School; Bottom Fish School; Figure 9-2 Fish schools

9-2 Fish Schools A fish school appears as a mass of echoes on the screen. Thecolor of the mass shows the density of the fishes and the size ofthe mass how they are distributed. In the following figures, thesame fish school is observed with two different tilt angles. Fromthe left figure, the operator...

Page 71 - Sea Surface Reflections; Figure 9-3 Sea surface reflections; Wake; Figure 9-4 Wake appearance on the display

9-3 Sea Surface Reflections As ultrasonic pulses at both edges of the 180˚ sector beam arealways emitted horizontally along the sea surface regardless ofthe tilt angle setting, sea surface reflections appear as a thickline extending across the own ship mark. When the sonar is usedwith a narrow tilt ...

Page 72 - False Echo by Sidelobe; Figure 9-5 Sidelobe echoes; Noise and Interference; Figure 9-6 Noise and interference

9-4 False Echo by Sidelobe An ultrasonic wave is emitted only in the direction set by theTILT lever, however there are some emissions outside the mainbeam. These are called sidelobes. The energy of the sidelobe isfairly weak but when the water is comparatively shallow and thebottom is rocky and hard...

Page 73 - WARNINGS; Overvoltage Warning

10-1 WARNINGS Overvoltage Warning If the input voltage to this unit rises above 125 VAC, the over-voltage detection circuit activates, an alarm sounds and the mes-sage OVERVOLTAGE appears at the screen center. If this occurs, retract the transducer, turn the power off and checkthe ship’s mains volta...

Page 74 - Figure 10-1 How to manually raise the transducer

10-2 Breaker Power Supply Unit F Photo No.1580 Hull Unit MainShaft Hand Crank Figure 10-1 How to manually raise the transducer

Page 75 - SELF TESTS; DANGER; Opening the Self Test Menu; Turn on the power while pressing and holding down the; Figure 11-1 SELF TEST menu

11-1 SELF TESTS The CSH-73 has various self tests to check it for proper opera-tion. If a test reveals equipment malfunction do not attempt tocheck inside the equipment. There are no user serviceable partsinside the equipment. Do not work inside theequipment unless totallyfamiliar with electrical ci...

Page 76 - Self Test Description; Single test; Figure 11-2 Single test; Continuous test; Figure 11-3 Continuous test

11-2 Self Test Description Single test The ROM, RAM and other devices of the dis-play unit are checked once. Control is returnedto the SELF TEST menu when the test is com-pleted. Figure 11-2 Single test Continuous test The devices of the display unit are checked con-tinuously. Figure 11-3 Continuous...

Page 77 - Panel test; Figure 11-4 Panel test; Color test; Figure 11-5 Color test

11-3 Panel test This test checks the keys of the main and sub panels and theremote control box. Press and release each key. Its on-screenlocation should display “1” when the key is pressed and “0”when released. To escape from the test reset the power. PANEL TEST / X = Y = Figure 11-4 Panel test Colo...

Page 78 - Gray test; Figure 11-6 Gray test; SIO test

11-4 Gray test This test checks for screen distortion. To escape from the testreset the power. GRAY TEST S ¤ S ¤ Figure 11-6 Gray test SIO test This test checks for proper communication between the displayunit and transceiver unit, and requires a jumper plug. To escapefrom the test reset the power. ...

Page 79 - Interface Unit CS-120A Self Test; Find DIP switch DP-1 on the lone circuit board. Turn switch

11-5 Interface Unit CS-120A Self Test 1. Open the cover of the interface unit. 2. Find DIP switch DP-1 on the lone circuit board. Turn switch #6 on to start the self test. The results of the check appear onthe digital display beside the DIP switch. 3. Turn the DIP switch off after completion of the ...

Page 81 - MAINTENANCE; Display Unit Maintenance; Figure 12-1 Display unit maintenance

12-1 MAINTENANCE Do not work inside theequipment unless totallyfamiliar with electrical circuits. Hazardous voltage which willcause death or serious injury exists inside the equipment. DANGER Display Unit Maintenance Keep magnets and cassette tapesaway from the display unit. Handle the equipment wit...

Page 82 - Hull Unit Maintenance; Figure 12-2 Hull unit maintenance

12-2 Hull Unit Maintenance HULL UNIT Apply MOLYTONE grease#2 every six months. Dry dock ship and cleantransducer face yearly.Apply single coat of "MARINE STAR 20 Mod(Red-N)" anti-foulant totransducer face to keepmarine life off the transducer. Raise transducer and coat mainshaft with DAPHAEC...

Page 83 - SPECIAL MENU DESCRIPTION; SYSTEM Menu Description; The SYSTEM menu can be displayed by pressing MENU and

13-1 SPECIAL MENU DESCRIPTION SYSTEM Menu Description The SYSTEM menu can be displayed by pressing MENU and c together. For help, press the HELP key. u n e M m e t I n o i t p i r c s e D L A N G I S S S E C O R P g n R o h c E h t o o m S e g n a r n i l e v e l g n i h t o o m s o h c e s t c e l ...

Page 86 - DATA SET Menu Description; The DATA SET menu can be display by pressing MENU and

13-4 DATA SET Menu Description The DATA SET menu can be display by pressing MENU and d together. For help, press the HELP key. u n e M m e t I n o i t p i r c s e D E V R U C R O L O C 1 r a n o S 2 r a n o S 1 r e d n u o S o h c E 2 r e d n u o S o h c E e g n a h c y a m u o y s e c i v e d e s e...

Page 89 - INIT SET/TEST Menu Description; The HELP key provides menu operating information.

13-7 INIT SET/TEST Menu Description The DATA SET menu can be display by turning on the powerwhile pressing MENU key. The HELP key provides menu operating information. u n e M m e t I n o i t p i r c s e D J D A G N I D A E H t s u j d A g n i d a e H l l u h n o k r a m D A E H f o e l g n a n o i t...

Page 91 - MENU TREE; USER Menu

A-1 MENU TREE USER Menu Event Mark 1 Event Mark 2 Fish Mark On Track Data Text Window ES Window Range/Bearing Heading Mark Range Rings Bearing Scale Auto Scan Width Auto Train Width Ship's Track Net Movement Plot Fish MK Connect Fish Tracking MK Fish Track Plot w/Current Vec w/Current Vec w/Current ...

Page 92 - DATA SET Menu

A-2 DATA SET Menu Setting range: 200-1000 m ON OFF Setting range: 0-3000 m Setting range: 0-1000 m Execute Execute Execute Execute Execute Execute Execute CHANGE COLOR DATA SET MENU Sonar 1 Sonar 2 Echo Sounder Marks Menu Execute Execute NET SHOOT PLAN Net Diameter Tilt Interlock COLOR CURVE Sonar 1...

Page 94 - SYSTEM Menu

A-4 SYSTEM Menu 25log 30log 35log 40log FAR TVG Far TVG Curve SYSTEMMENU Setting range: 0 to 3 SIGNAL PROCESS Smooth Echo - - - Rng Smooth Echo - - - Cir Delete Color Setting range: 0 to 3 Setting range: 1 to 10 1.3R 1.6R TM DSP TM Display Range 32 Cmps 360 ° True BRG READOUT Course Current Data Eve...

Page 97 - SPECIFICATIONS; NOTE

SP-1 SPECIFICATIONS Model: CSH-73- M 150 (Freq.: 150 kHz)180 (Freq.: 180 kHz) 1. GENERAL (1) Range, TX Cycle, Pulselength c i s a B e g n a R ) m ( e g n a R e l c y C X T ) c e s ( h t g n e l e s l u P ) c e s m ( r e t n e c f f \ F O " F F O " " N O " r e t n e c f f O 5 7 5 7 - ...

Page 99 - 10/220VAC operation available with stepdown transformer PT-400.; EMBIRONMENTAL CONDITION

SP-3 *Own ship’s position (latitude/longitude)Net sonde data (net depth, distance to seabed, water temperature,sinking speed of net) (6) Features Custom mode, interference rejector, afterglow, noise limiter, deletecolor, memory card (save and recall of picture, echo inside estimatemark and net shoot...

Page 101 - INDEX

IN-1 INDEX A AGC ................................................................ 3-32AGC .............................................................. 3-3AUDIO ........................................................... 7-6AUTO TILT .................................................... 7-1AUTO TRAN...

Furuno MODEL CSH-73 - Manual

Table of Contents:

Summary

Other Furuno Models