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6. CVS-841C/841P - SI-TEX Marine Electronics

1. No Item name Type name Remarks Weight Length 11 Connecting 6P waterproof connector Conxall cable For Aaa 6P waterproof connector LTW am navigator unit Fly leads GARM 6P waterproof connector LTW om 12 Connecting CW 60 10M BNC Crimp terminal 10m cable For CW 154A 5M 6P Connector Fly leads 5m Navigator Unit 6P waterproof connector and Junction CW 352 5M Conxalll Crimp terminals om Box 6P waterproof connector Conxall CW 328 5M Crimping terminals om 13 Connector LTWBD 0O5BFFA 5P waterproof connector LTW female L180 for external sounder LTWBD O6BFFA 6P waterproof connector Conxall L180 for NUEA0183 LTWBD 08BFFA 8P waterproof connector LTW L180 for 8water temperature sensor 14 Cable gland CG 1 For steel hull single frequency 1 5Kg CG 2 For steel hull dual frequency 1 5Kg CG 3 For wooden hull 2 5Kg single frequency CG 4 For wooden hull dual frequency 3 5Kg CG 16 For FRP hull single frequency 0 9Kg CG 18 For FRP hull dual frequency 1 8Kg CG 19 For wooden FRP hull 1 0Kg single frequency 15 Operation CVS 841 851 0M J Japanese manual CVS 841 851 0M E English 16 Service manual CVS 841 851 SM J_ Japanese CVS 841 851 SM E English 17 transducer See 2 4 Available transducer list 2 4 Available transducers list Single Frequency TD Output Type name Frequency Weight 1 kW TD 282 28 kHz 7 0 kg TD 401D
2. cece eee eee 4 15 0093132682 08 Contents CVS 841 851 Chapter 4 Installation Chapter 4 Installation 4 1 Installation consideration General Qualified service technicians should perform the installation of CVS 841 851 series that comprises the following operations Unpacking each component of the system Inspection of the exterior of each component unit and accessory Checking the ship s mains voltage and current capacity 1 2 3 4 Determining the installation site 5 Installing the Display unit 6 Planning the cable routing and connections 7 Adjustment and setups 4 2 Unpacking each component of the system Unpack your package and check if all of the items stated in the packing list are contained in the package If not report this to an insurance agent for tracing missing goods or refund 4 3 Inspection of each component unit and accessories Carefully check the exterior of each component unit for dents damage etc Also check the inside of component units for electrical and mechanical damages for instance the LCD backlighting bulb is vulnerable against mechanical shock 4 4 Siting the units To achieve best operational performance the following factors must be considered 1 The display unit should be positioned in the location where the external situation can be viewed 2 Locate the display so that it provides easy viewing from all likely operator s positions 3 Select a position safe
3. Equipment does not turn 1 Is the fuse blown 1 Replace the blown fuse with a on new one 2 Does the power supply voltage lie CAUTION Make sure to turn within the rated range 10 8 31 2 off the main supply before VDC attempting to replace the fuse Use a proper rated main 3 Is the power cable firmly supply connected to ship s battery 3 Reconnect the cable firmly to the battery Equipment turns on with beep but nothing shown 2 on the display a LCD unit may be faulty Is the cable connection between the transducer and display unit firm and correct a Call for service 2 Check the cable for cut short etc and repair the cable if necessary and reconnect 93132682 01 8 1 Chapter 8 CVS 841 851 Trouble Shooting Fault finding chart for CVS 841 851 Faults detected Possible cause of the failure Remedial action against negative result No depth indication but 1 Is the bottom echo displayed 1 Select an appropriate depth XXXX shown within the display range in which the bottom is 2 If YES then is the bottom displayed displayed in red 2 Adjust the GAIN control to obtain the red sea bottom If the above actions are not the answer refer to Para 3 4 Setting the video threshold to obtain proper depth indication No water temperature 1 Is the water temperature unit C 1 Select a desired temperature disp
4. NOTE A parity bit is not provided 10 3 2 Output signal specification Data rate 4800 baud Output signal level TTL Output current 5 mA Maximum Data refreshing rate 1 second Name amp Sentence name Version DBS Depth data From the sea surface to the seabed Ver 1 5 SD Ae XXXX X f ssh x M xxx x F T lt CR gt lt LF gt N Pes Depth meters a name Depth feet Depth fathom Talker device code Start of sentence 93132682 01 10 3 Chapter 10 CVS 841 851 Technical References Name amp Sentence name Version DBT Depth From the transducer surface to the seabed Ver 1 5 SD T ae X f S x M xxx x F F lt CR gt lt LF gt E PRS meters Fa Checksum name Depth feet Depth fathom Talker device code Start of sentence DPT Depth From the transducer surface to the ocean down below Ver 2 0 SD a ai X XXXX X hh lt CR gt lt LF gt uke ih Checksum name Depth m Draft level m Talker device code Start of sentence MTW Water temperature Ver 1 5 SD alin XX X C T lt CR gt lt LF gt aA gga name Temperature C alker device code Start of sentence TLL Target latitude and longitude Ver 2 0 SOREN RR eR Sentence Latitude Longitude UTC data Checksum name N North E East Reference target fixed to T S South W West Target number Target number Target status fixed to 0 fixed to 00 Not assigned Talker device code
5. sssssssnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 10 3 10 3 1 Details of output data SeNteNnCes cette 10 3 10 3 2 Output signal specification c cece cece tee teee teen 10 3 10 4 Data input output Serial line eee cece eee eeeeeeeeeeeeeees 10 5 10 5 Data input serial line 2 0 eee cece cece eee e eee eeeeeeeeeeeeeeeeeeeeeees 10 5 93132682 01 Contents CVS 841 851 Chapter 10 Technical References Chapter 10 Technical References 10 1 Serial input data Data format NMEA 0183 Ver 1 5 and 2 0 10 2 Details of input sentences NOTE Checksum is a total sum of EX ORed data that are put between the and asterisk signs Name amp Data name Version GGA GPS Position data Ver TA gt r XXX a XXXXX XXX a X hh lt CR gt lt LF gt 1 5 2 0 ee ale Longitude Checksum name N North E East This field is not used S South W West This field is not used GPS signal quality Talker devic code 0 Positioning unable 1 GPS positioning Start of sentence 2 DGPS positioning 3 8 Not acceptable GLL Geographic position Ver aE a XXX a XXXXX XXX a A a hh lt CR gt lt LF gt 1 5 2 0 T ae Tal Longitude Checksum name N North E East This field is not used S South W West Mode identifier A Valid Talker devic code This field is not used Start of sentence GTD Geographical position Loran C Ver 1 5 r is X XXXXX X lt CR gt lt LF gt ni
6. eee A 5 Contents 93132682 05 CVS 841 851 A1 User settings list Annex Sheets Menu User 1 User 2 User 3 User 4 Transmission Pulse Width H Pulse Width L Output PRR Image Enhance Color Tone Background Color White Line Mix Type Flicker Rejection Past Image Display Note1 The Information window feature is not available in CVS 841 A Scope Information Note1 Zoom Type Zoom Range User 1 User 2 User 3 Depth Value Depth Value Position Scale Scale Position Scale Value Time Mark Image Direction Image Partition Image Swap Color Bar Scale Present Position Boat Speed Bearing Water Temp Water Temp Graph Event Position Event Distance Event Direction Event Elapsed Time Window Automatic Auto Range Auto Shift System Time Note2 Depth Unit Note2 CVS 841 has no Year Depth Range Preset Month Day a Day of i the Week displays Draft Setting Bottom Start Bottom Detection Bottom Detection Adjust 93132682 00 A 1 Annex Sheets CVS 841 8521 Menu User 1 User 3 User 4 System Depth Measurement _ Sonic Correction Boat Speed Correction Water Temp Correction Speed Data Water Temp Data EXT Trigger Type Language Customize GAIN Property STC Property Color Customize H FREQ STC DEPTH Control H FREQ STC AMPTD Control L FREQ STC
7. sssssssssssssenssrrsrrrsrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrerrrerrtn 6 13 6 6 21 Water Temp graph sssssssssssssseesseeenerrerrrrrrrrrrrrrrererrerrrerrrerrre 6 13 6 60 22 Event POSION m oeer er E E EEEE Eaa 6 14 6 6 23 Event distance ss ssseseeesersseeserrrrrrrrrrrrrrrrrrrrrrrerrrrrrrerre 6 14 6 6 24 Event direction sss ssssessessseeseersrerrrrrrrrrrrrrrrrrrrrrrrrrrerrrrrrrerrnn 6 14 6 6 25 Event elapsed TIN Gas cccscesesscovetecateracecesnsancieatensdunnrtestrreettcnnts 6 14 6 7 Automatic FUNCTIONS sssssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 6 14 6 7 AUTO ANGC i a E o aeiae 6 14 OTZ PUTO Sii a a a a a de 6 15 REAA a E E See tice RmECEN ERM nEOBRE ASA iune te INEeAE ED 6 15 50 IME sales ate R tee terete dara alld da sau ces Ci are tinea Ble tel aa 6 15 6 8 2 DSI nitesi n a a a a aai 6 15 6 8 3 Depth range preset sssssseessseeserrrerrrrrrrrrrrrrrerrrrerrrrerrerrren 6 15 6 8 4 Draft SOtiInG race voe hace a ik el eee hoc hee dundee toa 6 16 6 8 O BOOM Stal sciscns cers teroce cond anenie tua baa EE ateas sags su 6 16 6 8 6 Bottom CGlSCliON asiiinccteciocceiess seston costs e e 6 16 6 8 7 Bottom detection adjust ccccceceeceeeeeeceeeeeeeeeeeeeeeeeeeeeeeeees 6 16 6 8 8 Depth measurement siectic er conctintente ce vece eta setnd th sree dua aaniuaeudes 6 16 6 8 9 Sonic correction ea N a a citar 6 17 6 8 10 Water Temp correction ssssssesssesssessseeeseerterrerrrerrrer
8. 10 15 20 30 40 50 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 440 480 520 560 600 640 680 720 760 800 840 880 920 960 1000 1040 1080 1120 1160 1200 1240 1280 1320 1360 1400 1440 1480 1520 1560 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 Additional range values for 3 kW models 4200 4400 4600 4800 5000 5200 5400 5600 5800 6000 6200 6400 6800 7000 7200 7600 8000 Initials setting Refer to the Annex A2 2 3 Depth Range Preset default values 6 8 4 Draft setting Sets up the depth of the draft line By doing so the seabed depth is displayed as the depth from the sea surface Selections 0 0 to 25 5 applicable to all depth units Initial setting 0 0 Water surface Draft Transducer Figure 6 17 Draft Line 6 8 5 Bottom start Sets up the starting depth of the seabed detection Once set the fish echo or the seabed shallower than the set up depth will not be detected Selections 0 20 0 Applicable to all depth units Initial setting 5 0 6 8 6 Bottom detection Sets up the bottom detection area within or outside of the screen display Selections Inside Range Outside Range Initial setting Inside Range 6 8 7 Bottom detection adjust Sets up the threshold of detection for bottom echo signal Selections 80 to 40 Initial setting 40 6 8 8 Depth measurement Selects the method for
9. N X X RS232C Data Input RXD RS232C Data Output TXD 5V 5v Ground GND Not used NC EVT EVT Not used Ground GND 1 Ext Trig In EXT TRG 2 Ground GND 3 0 Trig Out 0 TRIG OUT 4 AF Signal Out AF SIG OUT 5 Not used NC DC DC NC NC Frame Ground 4 13 Chapter 4 CVS 841 851 Installation Appendix 2 Transducer installation A2 1 Recommended transducer installation The transducer should be installed in a location free of bubbles and away from disturbed water flow Smooth water flow around the transducer and along its surface is very important for consistent operation Areas in the center of water line length at cruising speed are usually satisfactory Forward of the engine and in a flat area near the centerline of the boat are preferred Do not install the transducer behind water intakes other through hull fittings or irregularities in the hull High water line Flat water line Low water line See NOTE Water Line length Keel Line The transducer must be installed off the keel line either port or starboard side NOTE High water line Water line when vessel pitches up most Low water line Water line when vessel pitches down most Figure A 1 Recommended position of the transducer 4 14 0093132682 08 CVS 841 851 Chapter 4 Installation A2 2 Through hull installation Transducer installation of CVS 841 851 is only possible with through hull installation
10. s supply voltage and current within the rated range 2 Is the transducer wiring normal No wrong connections no short circuits etc 3 Are the High and Low frequency transducers properly connected to their corresponding terminals 4 Are the cables routed and connected properly according to Para 4 5 Cable routing and connections 4 12 0093132682 08 CVS 841 851 Chapter 4 Appendix 1 Connectors pinouts Transducers J7 O RON TD TD1H High Frequency TD TD1L Low Frequency SH Shield TD TD2H High Frequency TD TD2L Low Frequency Water temperature Speed Sensor Inputs and Buzzer Output J3 2 0 000 OD SLO OT RSO D NMEA Nav Data Input J5 Q _ OJO QaPrw 0093132682 08 Speed Pulse Input SPD PULSE Speed B SPD VCC Buzzer Output 0 BUZO Buzzer Output 1 BUZ1 NC Water Temp B TEMP VCC Water Temp Signal In TEMP SIG Speed GND SPD GND Ground GND 2 GPS Signal Out GPS OUT Not used Ground GND Nav Data In GPS IN Nav Data In GPS IN 12V 12V NMEA In Out J2 D Q _ ae S RS232C In Out J4 O O External Sounder Input J6 O_ Oo DC Input 10 8 31 2VDC POWER LO OQ 5 OU Oo Ne Oy OVP oN Ors ON Installation Ground GND Serial Output TX Serial Output GND RX RX Serial Input Serial Input Not used NC
11. Basic Operation HAM 2001 05 23 We gh Shift Yelof Image Speed 1 1 3 To change the VRM control from one to the other use the following procedure 4 To activate the left VRM press the LEFT arrow key and the RIGHT VRM press the right arrow key Figure 5 18 Operating the VRM in Vertical Split NORM ZOOM image mode 2 5 4 2 3 Horizontal split screen Dual Frequency mode LIF 2001 05 23 Wed 14 22 56 Shift MOMI Image Speed 1 1 1 Press the VRM key The last active VRM digital display will be highlighted Press the UP or DOWN cursor key to move the VRM up or down The VRM depth will be shown in the VRM digital 2 window In case VRM stretches from one screen to the other the VRM digit display indicates the depth of the new screen Figure 5 19 Operating the VRM in Horizontal Split Dual Frequency mode 5 4 2 4 Horizontal split screen NORM ZOOM image mode 1 Press the VRM key The last active VRM digital display will be highlighted VRM 2 2 Press the UP or DOWN cursor key to move the VRM up or down Hig 2001 05 23 Wed 14 22 56 Shift MNO Moving VRM from upper The VRM depth will be shown in the screen to lower screen VRM digital window 3 In case VRM goes beyond from one screen to the other the VRM digit display indicates the depth of the new screen Figure 5 20 Operating the VRM in Horizontal Split NORM ZOOM mode 93132682 00 5 15 Chapter 5 CVS 841 851 Bas
12. IMAGE SPEED key Selects the image speed en MODE switch LFREQ H FREQ ENHANCE GAIN Selects the image mode 56 45 L FREQ GAIN control Varies the receiver gain of Low Frequency image H FREQ ENHANCE control Varies the degree of enhance effect for High Frequency image L FREQ STC DEPTH control Varies the effective range of Low Frequency STC in depth H FREQ GAIN control Varies the receiver gain of High Frequency image L FREQ STC AMPTD control Varies the intensity of Low Frequency STC H FREQ STC DEPTH control Varies the effective range of High Frequency STC in depth H FREQ STC AMPD control Varies the intensity of High Frequency STC POWER BRIGHTNESS control with a switch Turns on or off the unit and adjusts the brightness of the image Figure 5 1 CVS 841 Details of operating key switches 93132682 00 5 1 Chapter 5 CVS 841 851 Basic Operation CVS 851 POWER BRIGHTNESS control with a switch Enlarged Turns on or off the unit and adjusts the brightness of the image H FREQ STC DEPTH control Varies the effective range of High Frequency STC in depth VRM key Turns on or off VRM It also selects the VRM mode H FREQ STC AMPTD control SHIFT key rae l Varies the intensity of High Turns on or off the image shift mode TC Frequency STC MENU key H FREQ ENHANCE control Turns on or off the menu display Varies the degree of enhance effect for High Frequency image Fou
13. TD 284 28kHz CVS 841P 3kW TD 404T 38kHz or 40 kHz CVS 851P TD 504T 50kHz TD 504F 50kHz TD 754 75kHz TD 66 200kHz NOTE The output available from 200 KHz transducer type TD 66 used for CVS 841P 851P is 1 kW Dual Frequency TD Output Output Transducer CVS 841C kW TD 501C 50 200 kHz CVS 851C TD 501T 3 50 200 kHz 1 4 Software type name CVS 841 Software type name Application KMC 82 System control CVS 851 Software type name Application KMC 83 System control 93132682 01 CVS 841 851 Chapter 1 Operation Manual General Information NMEA In Out l PEE a E Aes i To other sounder H CW 373 5M 5m GPS Sensor i CW 374 5M 5m Sat a a PEPETA GPS 10A B Type 1 CW 375 5M 5m z 1 KBG 1 2 BType CW 376 5M 5m ya piny Display D a a Aana SS ES CVS 841 851 CW 371 5M 5m I CW 372 5M 5m J4 7 pin J6 5 pin F mmr ro Attached cable 10m J5 6 pin J3 8 pin CW 373 5 CW 374 5 TD Cable lt TATA 3333 CW 375 5 CW 836 3M CW 376 5 Navigator v2 2 2252 52 22 a Unit CW 60 10M 10m CW 376 5M 5m PE CW 154A 5M 5m Ben CW 352 5M 5m arto 2 GPS Cw 328 5M 5m 3 KGP Tese amaa Ny tes l PTT setaietineieaenny 1 i Decca _CW 60 10M 10m Junction Box Junction Box DR JB 10 JB 12 JB 32 PTTTTTTL TELE r 4 Ue ons cha de a TE I sett
14. TD cable and DC power cable shall be connected to the given connectors provided on the rear panel of Display Unit Display unit J3 Temperature speed sensor input buzzer output EEEEEEEET ST 80 1 ST 90 1 ST100 1 J2 NMEA In Out J4 RS 232C In Out J5 Nav Data Input See NMEA 0183 J6 External sounder See DC Power cable _ 3 CW 253 2M gt LTD cable CW 836 3M 4 TD Extension cable AC Power Supply AC DC Koa VSV 2T11 3M 100 110 115VAC Rectifier 200 220 230VAC PS 006 TD Junction Box JB 32 i le gl DC Power Supply wade diane 10 8 31 2VDC NOTE Dotted sections are optional items and wirings TD Transducer Figure 4 8 Inter connections of CVS 841 CVS 851 4 6 0093132682 08 CVS 841 851 Chapter 4 Installation 4 7 1 Connection of DC Power cable CW 253 White DC To Display Unit DC GND NOTE nsulate the red and green wires using PVC tape Not used Not used 4 7 2 Preparation of TD cable 1 Cut off the terminal sheath of the attached TD cable CW 836 3M by 10 cm from end EROOCOLOLOLOLOLOLOOLOLOrA LESE S PERY x 3 Strip each wire by 1 cm from end 1 cm High Frequency TD Low Frequency TD Shield Common Shield 4 Connect the TD cable CW 836 3M to the receptacle J7 at the display rear panel and press the rubber jacket onto the connector
15. Year Month Day a Day of the Week displays Depth unit 5 kinds m hiro fm fm ft Bottom detection range 2 ways Within or outside the sonar display Depth sounding 3 ways Auto High frequency Low frequency Marker Variable range marker VRM Scale Guard zoom marker Division marker Time marker Color pattern Rotary controls Brilliance Gain Enhancement STC Depth range Image mode Other functions Enhance White line Flicker reduction A scope Information window CVSs 841 is not displyed Temperature graph Mark Position Distance Bearing Elapsed time Draft Bottom detection start position Sonic correction Temperature correction Speed correction Int Ext sync switching PRF GAIN law STC law Color change Key switch lock Navigation data Ship s position lat Lon every 0 001 Min Loran C LOP Water temperature C F Graph display Ship s speed km h mph kt Distance traveled km sm nm Owh ship s bearing Input data format NMEA 0183 Ver2 0 1 5 GGA GLL GTD MTW RMC VTG or NMEA 0182 Output data format NMEA 0183 Ver2 0 1 5 DBS DBT DPT MTW TLL 3 2 Power supply requirements DC operation Input voltage 10 8 31 2 VDC 3 2 93132682 01 CVS 841 851 Chapter 3 Specifications Input power CVS 841 45 W Max CVS 851 70W Max AC operation An AC DC rectifier PS 006 must be used Input voltage range 100 110 VAC or 220 23
16. surface STC Amplitude Max A B C STC Depth Max Figure 5 9 Adjusting the STC amplitude 93132682 00 5 7 Chapter 5 CVS 841 851 Basic Operation Operational notes for the STC law STC law A STC is not enough causing the noise and unwanted residual weak echoes in a shallow or mid depth zone to be shown STC law B STC is appropriate causing unwanted echoes to be perfectly reduced while schools of fish are shown without degradation STC law C STC is too much causing the echoes from fish schools to be reduced too much 5 2 7 Setting the ENHANCE function Enhances the picture presentation by narrowing the dynamic range of sonar video signals Rotating the ENHANCE control to the right causes the seabed and fish echoes to be displayed in dominant colors like red orange yellow etc for better recognition Rotating the control to the right causes the shades of colors to be widened for better definition of image colors NOTE Before using this function the MODE switch must be set to USER 1 position To change the dynamic range refer to Para 7 3 Setting the Enhance effect High PPLE er meee LEN ao Oly oF Image Speed ea a ee ET o Eee ee A Normal image Enhanced image Figure 5 10 The effect of enhance control 5 8 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 2 8 Changing the display position in the 3 division screen Use the following procedure to change the display po
17. 1 8 2 Self Check TUNCUON cucssicsscesseceseececccde eerie seated 8 1 8 3 Trouble shooting se5ssc6 seas eaect ceseecctceee sh cee aes ce ashe eeiaceces ecalel toe sine 8 1 8 4 Setting the video threshold e eeeeee sees eeeeeeeeeeeeeeeeeeeeees 8 3 93132682 00 Content CVS 841 851 Chapter 8 Trouble Shooting Chapter 8 Trouble Shooting This chapter covers simplified fault locating procedures to assist the ship s crew to locate a faulty module as well as simple fuse replacement 8 1 Information required for service Please advise the following details 1 Name of vessel Satcom number if available Equipment type name Equipment serial number 2 3 4 Software type name shown on the standby screen 5 Next port of call ETA and ship s agent 6 Faulty conditions and the result of on board check 8 2 Self check function When the CVS 841 851 is first turned on a system check program runs to diagnose system functions If the result is found normal the message System check OK will appear on the screen If this sign does not appear there is a possibility of system failure Call for service 8 3 Trouble shooting The following table provides information about first line check schedules to locate a faulty area and gives remedial measure s where applicable Table 7 1 Fault finding chart for CVS 841 851 Remedial action against negative result Faults detected Possible cause of the failure
18. 38 50 75 200kHz Sounding range Depth Unit meter hiro fathom Italian fathom Auto Range or 8 range scales are selected from the following scaling group For 1 kW 3 kW 2 5 10 2 5 step 10 100 5 step step 1000 1200 100 step For 3 kW only Depth Unit feet Auto Range or 8 range scales are selected from the following scaling group For 1 kW 3 kW 10 20 5 step 20 80 10 step 80 400 20 step 400 1600 40 step 1600 4000 200 step For 3 kW only 4000 7200 200 step 7200 8000 400 step 100 400 10 step 400 1000 50 Zoom Bottom Range Depth Unit meter hiro fathom Italian fathom One range selected 2 5 5 7 5 10 15 20 25 30 35 40 45 50 55 60 70 80 90 100 110 120 130 140 150 160 180 200 Depth Unit feet One range selected 10 15 20 30 40 50 60 80 100 120 140 160 180 200 220 240 260 280 320 360 400 450 500 550 600 650 Shift Automatic Manual Unit meter hiro fathom Italian fathom Deepest depth 3000 1kW 3000 3kW 1 step depth increment Unit feet Deepest depth 8000 1kW 8000 3kW 1 step depth increment Picture Mode N Normal incl SHIFT H High frequency L Low frequency Z Zoom Bottom Lock Bottom Discrimination Bottom Zoom B Z Bottom Zoom C Combined E Enhanced A A Scope os ihe Dual display Vertical 1 a Horizontal RA BZ BZ NH Ne Div 4 Div pa a ae poea EI A scope except the combine
19. 6 2 Flush mounting 1 Cut a rectangle opening that Figure 4 6 or Figure 4 7 is followed 2 Loosen two 2 fixing knobs that fasten the display unit onto the mounting bracket 3 Remove four 4 plastic screw covers which are fitted on each corner of the display front face These can be removed easily by pulling upward 4 Put the display on the opening and fix with four 4 tapping screws In case you use M4 screws to lt fix the display select an appropriate screw length that best suits fixing the unit to the panel thickness 5 Refit the coverings removed in step 3 Display Unit Fixing screws M4 screws 4 pcs oF A Screw covers 4 pcs Figure 4 5 Fitting the Display Unit in flash mount mode CVS 841 4 4 0093132682 08 CVS 841 851 Chapter 4 Installation 308 12 1 8 Fixing holes for M4 screw 4 pcs 16 5 8 4 5 32 274 10 13 16 306 12 1 16 st LO oe Oo Tr ee N Unit in mm inch Figure 4 6 Dimensions of opening and fixing holes for CVS 841 Fixing holes for M4 screw 4 pcs 378 14 7 8 A 9 3 8 Vv 4 5 32 9 3 8 360 14 3 16 9 3 8 410 16 1 8 418 16 7 16 or g D Unit in mm inch lt 9 3 8 Figure 4 7 Dimensions of opening and fixing holes for CVS 851 0093132682 08 4 5 Chapter 4 CVS 841 851 Installation 4 7 Inter connections of the system As shown in Figure 4 8
20. A method of transducer installation transducer is installed on the bottom of the hull Upper Depth The upper limit depth defined in a specific partial zoom mode If any fish school or the seabed lies in a shallower depth than this depth it is not detected as a seabed VRM Variable Range Marker A movable depth marker shown in a green line used to measure the depth in higher accuracy White Line The bottom surface is shown in a white band shape This feature is useful in discerning a school of fish near the seabed Zoom Start Depth Upper depth limit The upper depth limit from which partial zooming starts 4 93132682 00 CVS 841 851 Terminology Operation Manual Zoom Range The name of a sub menu which allows selecting the zooming range of the following image modes Bottom Lock Bottom Discrimination and Bottom Zoom 93132682 00 5 CVS 841 851 Main Contents Operation Manual Main Contents Chapter 1 General Information Chapter 2 Equipment Composition Chapter 3 Specifications Chapter 4 Installation Chapter 5 Basic Operation Chapter 6 Using the Menu Chapter 7 Functional Registration Chapter 8 Trouble Shooting Chapter 9 Maintenance Chapter 10 Technical Reference Annex Sheets 93132682 00 Main Contents CVS 841 851 Chapter 1 Operation Manual General Information Chapter 1 General Information Contents Page No 1 1 General features of the equipment 1 1 1 2 Applicable stand
21. AMPTD Control Event KEY Note In case the palette number palette color column is not sufficient record the entries in a separate paper A 2 93132682 00 CVS 841 851 A2 Factory default list A2 1 Dedicated key functions Annex Sheets rae Factory Default FactoryDefault2 FactoryDefault3 Factory Default 4 1 1 1 1 1 1 1 1 No No No No OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF A2 2 Menu functions Factory Default1 Factory Default2 Factory Default3 Factory Default 4 Transmission Pulse Width H Short Short Short Short Pulse Width L Short Short Short Short Output Normal Normal Normal Normal PRR 1 1 1 1 Image Enhance 25 25 25 25 Color Tone 1 1 1 1 Background Color 1 1 1 1 White line OFF OFF OFF OFF Mix Type C C C C Flicker Rejection ON ON ON ON Past Image ON ON ON ON Display A Scope OFF OFF ON ON Notet Ee OFF OFF OFF OFF The Information window feature is not Z00m Type BTM BTM BTM BTM available in CVS 841 Zoom Range 5 5 5 50 User 1 BTM BTM BTM BTM User 2 D B D B D B D B User 3 H 1 H 2 L H 1 H 2 L H 1 H 2 L H 1 H 2 L Depth Value Large Large Large Large Depth Value Position Bottom Bottom Bottom Bottom Scale Single All Single All Scale Position Side Side Side Side Scale Value Small Small Small Small Time Mark 10 sec 10 sec 10 sec 10 sec Image Di
22. C Flicker Rejection OFF ON Past Image OFF ON Display A Scope OFF ON Note1 Information Window OFF ON The Information Note 1 Sata ea is Zoom Type BTM BD ZOOM B Z Zoom Range 2 5 200 CVS 841 User 1 User 2 User 3 Depth Value OFF Large Middle Small Depth Value Position Bottom Top Scale OFF Single All Scale Position Side Center Scale Value Large Small Time Mark OFF 10 sec 1 min Image Direction SS a Image Partition TT H Image Swap A B BJA Color Bar Scale OFF ON Present Position OFF L L LOP Boat Speed OFF kt km h mph Bearing OFF ON Water Temp OFF C F Water Temp Graph OFF ON Event Position OFF ON Event Distance OFF ON Event Direction OFF ON Event Elapsed Time OFF ON Automatic Auto Range OFF ON Auto Shift OFF ON System Time Year Month Day Hour Note2 Note2 Min Sec The Time feature is Depth Unit M J fm fm l fm ft not available in CVS 841 Depth Range Preset Draft Setting 0 0 to 25 5 Bottom Start 0 0 to 20 0 Bottom Detection Inside Range Outside range Bottom Detection 80 to 40 Threshold 6 4 0093132682 05 CVS 841 851 Chapter 6 Using menus Menu list Menu Sub Menu 1 Sub Menu 2 Parameters System Depth Measurement Auto High Frequency Low Frequency Sonic Correction 7 to 2 Boat Speed Correction 10 to 10 Water Tem
23. Chapter 6 CVS 841 851 Using the menu 6 5 1 2 Output Normal and Low This function increases or decreases the sounder power output in two steps Normal and Low In normal operation this setting should be set to Normal High level In case the need is arisen to reduce the power such as an inspection of acoustic power output set the setting to Low Low level Selections Normal and Low Initial setting Normal School of fish The echo signal is weakened due to power reduction Normal Low Figure 6 5 Reduction of output power 6 5 1 3 PRR Pulse Repetition Rate This function changes the rate of transmission per minute Using this function you can eliminate the false echo caused by other sounder s transmission working on nearly the same transmission rate Selections 1 Fastest 10 Slowest Initial setting 1 False echoes produced by the transmission from other sounder Real sonar echoes produced by own sounder Real echoes of fish school Figure 6 6 Reducing the interference by changing the PRR 6 6 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 5 2 Image 6 5 2 1 Enhance Enhances the picture presentation by changing the dynamic range of a sonar video in 5 steps When you increase the number the shades of colors are widened causing the echo density of fish and plankton to be well defined When you decrease the number the shades are narrowed causing the seabed and fish echoes may be dis
24. Depth Value Position Bottom Depth Value Large Scale Single Depth Value Position Bottom Screen prsentation Scale Position Side Scale Single Scale Valie Small Scale Position Side D CVS 841 CVS 851 H 2 L The image mode settings Set the MODE switch as shown below to select USER 3 MODE L H MODE DUAL FREQ shikai sk ci Njai au NORM NORM NORM AN NORM t 3 USER 1 USER 3 2 USER 2 CVS 841 CVS 851 4 This completes the image mode settings 7 6 93132682 00 CVS 841 851 Chapter 7 Functional Registration 7 2 3 Registering a ZOOM type There are four types of the zoomed image BTM BD ZOOM and B Z which can be applied to ZOOM mode selected by the MODE switch The abbreviations of these terms are as follows BTM Bottom Lock Dual screen BD Bottom Discrimination Dual screen ZOOM Zoom Dual screen B Z Bottom Zoom Single screen To select an item 1 Press the MENU key to display the main menu list 2 Press the up or down arrow key to highlight the Display item and press the right arrow key The Display Type sub menu will appear 3 Press the up or down arrow key to highlight Zoom Type and press the right arrow key The Zoom Type sub menu will appear 4 Press the up or down arrow key to highlight a Zoom Type ZOOM is selected in this example Main Menu gt Display gt User 1 gt Zoom Type 1 page 1 page Display Display A Scope OFF D Information Window OFF D Displa
25. Page No 5 7 Operating the SHIFT ke y e ee eeeeeeeeeeeeeeeees 5 17 5 7 1 Setting Fix Shift mode sacceshecess sntceteda assesses eeeuaade nag eats 5 17 5 7 2 Setting the Auto Shift function 0 ee eeeeeeeeeeeeeeeeeeeeteeetteees 5 18 5 8 Using the Color Rejection function cccceeeeeeeeeeeees 5 18 5 9 Setting the Alarm Function eee 5 20 5 9 1 Pep Aa eee ateee R Eaa ee COE ene ge eee ere 5 20 5 9 2 FISH AIANNY eoi taut alae aE a A aa 5 22 5 10 Operating the EVENT key ssesseeseesseeeseeeseeees 5 25 Contents 2 93132682 01 CVS 841 851 Chapter 5 Basic Operation Chapter 5 Basic Operation 5 1 Operating controls and functions 5 1 1 Operating controls and key switches CVS 841 Enlarged EVENT key Registers or updates the event Four way arrow key Selects or sets up the menu items etc MENU key Turns on or off the menu display COLOR REJ key Selects the setting of Color Rejection function SHIFT key Turns on or off the image shift mode ALARM key Turns on or off the Alarm This key is also used to select the alarm setting VRM key Turns on or off VRM It also selects the VRM mode IR key Turns on or off the IR Interference Reject effect This key is also used to select the RANGE switch IR setting Selects the depth range SS he 4 L FREQ ENHANCE control Varies the degree of enhance effect for Low Frequency image
26. body to secure water tightness 0093132682 08 4 7 Chapter 4 CVS 841 851 Installation 4 7 3 Connections of the transducers Depending on the transducer type the connections are different Refer to the connecting diagram below Also note for the connections If the Transducer Junction Box is used connect each lead to a designated terminal and if the junction box is not used solder two leads with PVC tape wound appropriately for good isolation 4 7 3 1 About TD cable The cable from TD has black and white core wires with covering shielding copper braid The high frequency side of TD shall be connected to red and greed core wires and the low frequency side shall be connected to black and white core wires The shield wire shall be connected to the shield wires of low and high frequency sides Note 1 The cable for TD type TD 2001D 200 kHz 1 kW has four colors core wires red white green and black In this case red and white shall be connected to the red core wire of TD cable CW 836 3M and green and black to the green of TD cable CW 836 3M respectively Note 2 TD type TD 501C operates at 50 200 kHz with one TD and has black and white two core wires The white core shall be connected to the white core of TD cable CW 836 3M and the black core to the black core of the TD cable CW 836 3M respectively The red and green core wires will not be used and shall be insulated Note 3 TD type TS 501T 3 operates at 50 200 kHz wi
27. longer wavelength produce small amount of echoes from small fish The image mixing mode is an image processing function that enables weak fish like young sardines to be better defined by comparing or subtracting the images from both the HIGH and LOW frequencies When echoes are detected by the HIGH frequency wave the sounder displays these echoes in a pre selected color to indicate small fish targets The MIX function has three modes as A Comparison B Subtraction and C Selection Image detected only by high frequency which is painted in a pre selected color Normal image High or Low Frequency Mixed image Figure 6 8 Mixed image A COMPARISON mode This mode displays the result of the comparison between HIGH and LOW frequency echoes If those echoes are overlapped at the same depth the resultant colors are displayed in mixed colors However if the HIGH frequency echo is painted in red strongest color the mixed color will also be red to show the echoes are from small fish If the mixed fish school is partly displayed with mixed colors among red color it suggests the possibility of a larger fish school among the small fish school B SUBTRACTION mode This mode displays the resultant image by subtracting the HIGH frequency echoes from those of LOW frequency Using this method you can discern a fish school by size For instance if the resultant echoes are displayed in similar colors as the HIGH frequency echoes this
28. lt j Initial setting 6 6 14 Image partition Selects the image split way either in a vertical split or a horizontal split Selections Vertical Horizontal Initial setting Vertical A CAUTION This function is not available when the image is split to 3 sections 6 6 15 Image swap This function allows swapping of the dual image display left side right or up side down Selections A B BJA Initial setting A B 6 12 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 6 16 Color Bar scale Turns on or off color bar scale which is shown on the left side of the screen Selections ON OFF Initial setting ON 6 6 17 Present position Turns on or off the boat position display position display in latitude longitude or LOP Selections OFF L L LOP Initial setting OFF 6 6 18 Boat speed Turns on or off your boat speed and selects its unit Selections OFF kt kmh mph Initial setting OFF 6 6 19 Bearing Turns on or off the bearing of your boat Selections OFF ON Initial setting OFF 6 6 20 Water Temp Turns on or off water temperature and selects its unit Selections OFF C F Initial setting OFF 6 6 21 Water Temp graph Turns on or off the water temperature graph To use this function an appropriate water temperature sensor Water temperature graph position must be connected to the CVS 842 852 sounder Selections OFF ON Initial setting OFF Normal Vertical Sp
29. m LOP S2 name Talker device code Start of sentence 93132682 01 10 1 Chapter 10 CVS 841 851 Technical References Name amp Data name Version MTW Water temperature Ver 1 5 a XX X T lt CR gt lt LF gt px der name Temperature C Talker device code Start of sentence RMC Recommended minimum specific GPS data Ver RMC hhmmss A xxxx ies N S XXXX XXX E W XXX X Pa XXXXXX hh lt CR gt lt LF gt 1 5 2 0 L TA We Sentence type Latitude Longitude Course over This field is not used 3 E East ground A Data valid N North Date Jaikenceyice V Data invalid S South W West degree true dd mm yy Start of sentence UTC of position fix hr min sec Speed over ground knots VTG Course and water speed Ver 1 5 VTG xxx x T XX X N a hh lt CR gt lt LF gt Checksum Sentence Ship s bearing Name True Ground speed KNT Mode identifier These fields are not used Talker device code Start of sentence 10 2 93132682 01 CVS 841 851 Chapter 10 Technical References 10 3 Serial output data Data format NMEA 0183 Ver 1 5 and 2 0 10 3 1 Details of output data sentences NOTE Checksum is a total sum of EX ORed data that are put between the and asterisk signs Data structure Start Bit Stop Bit DO Di D2 D3 D4 D5 D6 D7 Logic 0 gt 4V TE a lk Logic 1 0 5V L Data Bit ASCII Code
30. mark S This sign indicates that a specified action is prohibited The prohibited action will be shown in the vicinity of the mark 2 93132682 00 CVS 841 851 Preface How to use this manual Scope of this manual This manual contains information about installation operation and maintenance of the CVS 841 851 series of sounder Structure of this manual This manual is divided into sections according to the contents as described below This arrangement will help you overview the whole of the contents as well as refer to detailed information for your specific requirement Chapter 1 General Information General features of the equipment Applicable standard Equipment configuration Software type name Chapter 2 Equipment Composition Standard equipment list Spare parts list Optional items list Available transducers list Chapter 3 Specifications Functional specifications Power supply requirements Environmental conditions External dimensions and weight Chapter 4 Installation Installation consideration Unpacking each component of the system Inspection of each component unit and accessories Siting the units Cable routing and connections Display installation 93132682 00 3 Preface CVS 841 851 Inter connections of the system Check up after installation Connector s pinouts Transducer installation Chapter 5 Basic Operation Operating controls and function
31. notation is shown here MODE High PPI IPE Mee ee Shift MOM Image Speed 1 1 DUAL pa oe 72000 NORM JS NORM 1 3 on coe norma MODE DUAL FREQ pa s ge NORM 7 NORM USER 1 USER 3 USER 2 5 2 3 Selecting the depth range Figure 5 5 Setting and image of NORMAL image mode 1 Turn the RANGE switch to select the desired depth range which is shown on the screen for approximately 5 seconds NOTE Available depth range can be registered to each range number which is printed around the range scale selector switch To do so enter the menu in the following order For detail refer to Para 7 1 Depth Range registration MENU SYSTEM Depth Range Preset Y SW1 SW8 TE ENTER CVS 841 RANGE WWE 2001 05 23 Wed 14 22 56 Shift MOM Image Speed 1 1 T 4 5 3 AN6 2 Pr Pe 0 i iO CVS 851 Figure 5 6 Selecting a depth range and its depth display 5 4 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 2 4 Setting the receiver gain Turn the H FREQ GAIN or L FREQ GAIN control as appropriate to make the bottom echo displayed in red CVS 841 Low Frequency GAIN control High Frequency GAIN control L FREQ H FREQ ENHANCE GAIN 5 5 The effect of GAIN control on the image 2001 05 23 Wed 14 22 56 Shift O1OLN0 Image Speed 1 1 Receiver gain is short Receiver gain is appropriate 10 STC DEPTH STC AMPTD 456 High Frequency GAIN control Low Fre
32. written permission of Koden Electronics Co Ltd The technical descriptions contained in this publication are subject to change without notice Koden assumes no responsibility for any errors incidentals or consequential damages caused by misinterpretation of the descriptions contained in this publication 2003 2004 2005 2006 2007 2008 2009 Koden Electronics Co Ltd All rights reserved No part of this publication may be reproduced transmitted translated in any form by any means without CVS 841 851 Preface Safety Precautions High Voltage High voltages are used in the transmitter section which could be life threatening A protection cover with the words Danger High Voltage is provided in this section but wait 10 minutes before inspecting inside Even if the power switch is turned off residual voltages may remain in the capacitors inside the unit Before inspection or replacement of parts discharge this residual voltage in a safe and correct manner Disconnect Main Power It is still possible to receive an electric shock caused by unintentionally switching on the power during repair work To prevent this from happening make sure to completely disconnect the unit from the ship s main supply before attempting any inspection Dust Dust can accumulate inside after long periods of use Allergies can result from the inhalation of this dust therefore during inspection and cleaning it is advisable to use a mask St
33. 0 VAC Voltage fluctuation allowance 10 Frequency fluctuation allowance 47 63 Hz Input power 150 W 3 3 Environmental conditions 1 Temperature and humidity Operation temperature 15 C to 55 C Storage temperature 30 C to 70 C Humidity 93 3 40 C 2 Vibration The units are free from any functional deterioration or mechanical damage caused by the vibrating conditions stated below 2 5 Hz up to 13 2 Hz Amplitude 1mm 10 Maximum acceleration of 7 m s at 13 2 Hz 3 Water proof characteristic Display IPX5 Water jet proof 3 4 External dimensions and weight External dimensions Width x Hight x Depth CVS 841 320 12 5 8 x 340 13 3 8 x 138 5 7 16 mm inch 6 8 kg 15 Ibs CVS 851 390 15 3 8 x 430 16 15 16 x 173 6 13 16 mm 10 5 kg 23 0 Ibs K gt 5 7 16 E 24 94 20 78 125 a8 3 16 13 76 7 D a x y P EER O O lg 0 oO gla al ale o E a i L 380 29 5 100 ere Tari 3 15 16 Unit in mm inch Weight 6 8 kg 15 Ib Figure 3 1 External dimension of CVS 841 Display unit 93132682 01 3 3 Chapter 3 CVS 841 851 Specification 390 15 3 8 200 7 7 8 gt o rr Ww o oO sp vt Unit in mm inch Weight 10 5 kg 23 0 Ib Figure 3 2 External dimensions of CVS 851 Display Uni
34. 01C and 501T 3 are of a Dual Frequency TD in which the 50 kHz and 200 kHz transducer elements are encapsulated in a single housing The display unit and the transducer cables are connected on 1 1 basis black to black and white to white The red and green cores of TD 501T 3 will not be connected to CW 836 3M see the figure below To J7 Display rear panel Red Green Not used CW 836 3M Dual Frequency Shield Shield 4 10 0093132682 08 CVS 841 851 Chapter 4 Installation 2 In the case that CVS 841 851 are the specification of a special 1 frequency Caution A To modify to single frequency specification special setup will be required Please contact us if it is desired Example 1 In case of Single Frequency TD except TD 2001D The cables between the display unit and the transducer shall be connected at 1 1 basis at low frequency side see the figure below To J7 Display rear panel Red Not used Single Frequency Example 2 In case of TD 2001D The cables between display unit and the transducer shall be connected at low frequency side as follows see the figure below Red To J7 Display rear panel pa Not used Single Frequency TD TD 2001D White Shield 0093132682 08 4 11 Chapter 4 CVS 841 851 Installation 4 8 Check up after installation Before you turn the unit on check the following points to make sure the CVS 841 851 operates properly 1 Is the ship
35. 3 Division Screen H L and gain 7 12 93132682 00 Contents CVS 841 851 Chapter 7 Functional Registration Chapter 7 Functional Registration This chapter describes the procedures to register the user defined functional parameters to the Range and MODE switches The items that can be registered are as follows 1 Depth ranges 2 Display modes USER 1 USER 2 and USER 3 and Zoom 7 1 Depth range registration This procedure is used to register the sounding depth to each range number shown on the operating panel around the range selection switch To register 1 Press the MENU key to display the main menu 2 Press the up or down arrow key to highlight SYSTEM and press the right key to show the SYSTEM sub menu 3 Press the up or down key to highlight DEPTH RANGE PRESET and press the right arrow key to show the range registration list 4 Press the up or down arrow key to select the range number m a 5 Press the right arrow key to show the range number window D z 7 Transmission E Bottom Detection site gt Display Auto mage S Bottom Detection Adiust Depth Measurement Auto b Sonic Correction 0 IC i Water Temp Customize Aoii oo amp Initialize Boat speed Simian Correction 0 0 b eS EES ViVi VIiV VIiVIV V Time Depth Unit Depth Ranae Preset Draft Setting Bottom Start 50 Detection Bottom Detection Adiust Depth Measurement Auto Sonic Correction 0 Boat Spee
36. 38 kHz or 40 kHz 5 0 kg TD 501B 50 kHz 4 2kg TD 751 75 kHz 4 2kg TD 2001D 200 kHz 4 2kg 3 kW TD 284 28 kHz 11 0 kg TD 404T 38 kHz or 40 kHz 11 0 kg TD 504T 50 kHz 11 0 kg TD 504F 50kHz 10 0kg TD 754 75 kHz 6 5 kg TD 66 See NOTE 200 kHz 4 2 kg NOTE The effective power output available from the 3 kW 200 KHz transducers is 1 kW Dual Frequency TD Output Type name Frequency Weight 1 kW TD 501C 50 200 kHz 4 2 kg TD 501T 3 50 200 kHz 3 4 kg 2 2 0093132682 06 CVS 841 851 Chapter 3 Specifications Chapter 3 Specifications Contents Page No 3 1 Functional specifications s sesseeeeeeeeeeeeeeeeeeeneeees 3 1 3 2 Power supply requirement ccccccsceeeeeeeceeeceeeeeeeeeeeeeeees 3 2 3 3 Environmental Conditions s eesseeseeeeeeeeeeeeeeeeneeees 3 3 3 4 External dimensions and weigNt sseesssesseeeeeees 3 3 93132682 00 Contents CVS 841 851 Chapter 3 3 1 Functional specifications Specifications Chapter 3 Specifications Specifications are subject to change without notice Equipment type name CVS 841C 1kW CVS 841P 3kW CVS 851C 1kW CVS 851P 3kW Display CVS 841 10 4 inch color TFT LCD 480 x 640 dots CVS 851 15 inch color TFT LCD 640 x 480 dots Display color 16 colors Color pallet can be changed background 9 colors TX Frequency kHz Dual combination selected from 28 40 or
37. 400 3600 3800 4000 Additional ranges for 3kW models 4200 4400 4600 4800 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800 7000 7200 7600 8000 7 2 93132682 00 CVS 841 851 Chapter 7 Functional Registration 8 Repeat the above procedures to register other depth ranges to each range number 9 To exit from the menu press the MENU key or the left arrow key in the following sequence Time Depth Unit Depth Range Preset Bottom Start 0 Bottom Detection Inside Bottom Detection Adjust Depth Measurement Auto Sonic Correction 0 Boat Speed Correction 0 Water Temp Correction 0 image Exiting from the Menu Display B Auto a Customize B _Initiaize B Figure 7 4 Exiting the menu Simulator Peco ho se The SYSTEM menu has 2 pages of the sub menu each one can be selected by pressing the down or up arrow key First page sub menu Retur to the first page sub menu Time L Depth Unit m D A Second page sub menu Cc System Draft Setting 0 0 D Bottom Start 00 D Speed Data EXT Bottom Detection 0 0 6 WT Temp Data EXT Bottom Detection Adjust gt EXT Trigger Type OFF Depth Measurement Auto D Language English Sonic Correction 0 Ib Water Tem Correction 0 0 e Boat Speed gt Correction Figure 7 4 Scrolling the SYSTEM menu 93132682 00 7 3 Chapter 7 CVS 841 851 Functional Registration 7 2 Display mode registration 7 2 1 Registering functions to USER 1 and 2 1 P
38. KODEN OPERATION MANUAL COLOR SOUNDER CVS 841 851 This product is specifically desingned to be installed on boats and other means of maritime transport If your country forms part to the EU please contact your dealer for advice before attempting to install elsewhere CVS 841 851 0OM E 0093132682 08 KODEN Declaration of Conformi As required by Article 7 1 of Directive 89 336 EEC Declares under his sole responsibility that the produced Fish Finder manufactured by Koden Electronics Co Ltd 5278 Uenohara Uenohara Machi Kitatsuru Gun Yamanashi Ken 409 0112 Japan Telephone 81 554 20 5865 Telefax 81 554 20 5880 Identified by the type number CVS 841C 841P to which this declaration refers conforms to the requirements of Directive 89 336 EEC amended by 92 31 EEC and 93 68 EEC and is in conformity with the EMC Health and Safety standards of EN60945 Signe r sS A Saburo Suzuki 05 Jan 2004 Dated peanon Koden Elektronik GmbH Am Gewerbepark 15 D 64823 Gross Umstadt Germany Phone 49 6078 2056 elefax 49 6078 73824 N B As this product is for Maritime use compliance with Directive 72 23 EEC is not required KODEN Declaration of Conformit As required by Article 7 1 of Directive 89 336 EEC Declares under his sole responsibility that the produced Fish Finder manufactured by Koden Electronics Co Ltd 5278 Uenohara Uenohara Machi Kitatsuru Gun Yamanashi Ken 409 0112 Japan Te
39. R 3 USER 2 Figure 5 12 High Frequency NORM ZOOM image The available image has been set to NORM ZOOM mode Another form of a zoomed picture is available from Bottom Lock Bottom Discrimination Normal Zoom or Bottom Lock To change the setting refer to Para 7 2 2 Registering a ZOOM type 5 10 93132682 00 CVS 841 851 Chapter 5 Basic Operation NOTE These modes are dual display available only on the same frequency The Bottom Zoom image is displayed on a single screen only 5 3 3 Displaying Low Frequency NORM ZOOM image 1 1 Select Low Frequency ZOOM mode 2 Zoomed Low Frequency image is shown on the left and Normal Low Frequency image on the right on the screen WAM 2001 05 23 Wed 14 22 56 Shift Mh oli Imaqe Speed_1 1 CVS 841 MODE xr DUAL i z ER FOES F N 5 NORM _ NORM t 3 a 27 100 USER CVS 851 MODE DUAL FREQ H ZOOM _ ZOOM L NORM 7 NORM Low Frequency Low Frequency USER 1 USER 3 Zoomed image Normal image USER 2 Figure 5 13 Low Frequency NORM ZOOM image 5 3 4 Common key operations All menu driven functions can be operated using the MENU key and four way arrow keys Operating procedure are common to all functions which are as follows 1 Press the MENU key to show the main menu list new 2 Press the up or down arrow key to select a menu item A D 3 Press the right arrow key to select the sub menu CY 4 Press the up or down arrow key to select an ite
40. R Reject select display appear here on the screen Interference Reject reir Era taq O O ion o ey Brita 5 7 Operating the SHIFT key In NORMAL mode screen there are two shift modes available Fix Shift and Normal Shift In Fix Shift mode a viewable depth is fixed with starting depth and the fixed depth scale In Auto Shift mode the sea bottom always appears within the screen whereby sounding range varies in order to keep the sounding image shown within the screen In practice when the sea bed becomes shallower reaching 40 of the depth range the image will be reset causing the sea bed depth displayed at approximately 60 of the entire range When the sea becomes deeper and the bottom falls to 90 of the depth scale the picture resets to the same position 60 5 7 1 Setting Fix Shift mode 1 Select a depth range scale to allow the sea bottom to be shown 2 Press the SHIFT key 3 Press the left or right arrow key to select a digit of the shift start depth which is shown on the top of the screen 4 Enter a depth value by pressing the up or down arrow key 5 To cancel the Fix Shift function press the SHIFT key again 93132682 00 5 17 Chapter 5 CVS 841 851 Basic Operation The Shift starting depth is shown here High 2001 05 23 Wed 14 22 56 Shift 0 OF40 Image Speed 1 1 Shift start depth Figure 5 24 Fix Shift mode display 5 7 2 Setting the Auto Shift functi
41. SDIGY araara aa raaraa aaaeeeaa aaa ta aa daada aaa ee ashe aeaa raai daa taiata 6 9 6O TASC Ope a a e R EE Anca AE CARE a 6 9 6 6 2 Information WINDOW caine ss sanaseedecacace beeectecddecdesseaaadeecectarcaeaatersst 6 10 Sp obo By A 0 9109 YDE ean men ane pen CCE eer Ree ee E ROE a aE CeCe eee eye ee 6 10 6 6 4 Zoom range atc cetea ile te eS Secret ise taaad setae ae i 6 11 6 6 5 User settings USER 1 USER 2 cc ccccsssseesseeeeeeees 6 11 6 6 6 User settings USER Orscidi viscdocchcenceptiaietricctacdadeeraecetes 6 11 6 6 7 Depth Vall Gece hme r e E ore tate 6 11 6 6 8 Depth value position sssssssssssessseerrerrrrrrrrrrrrrrrrrrrrrrrrreree 6 11 SF oc eal Ore nt e a nee hier ge Treen 6 12 616210 Sale POSON scared ececccentenintiudeeumeiatsanter ES 6 12 6 6 11 Scale VAS anol eeaeee eer A E advcce ddim cic uat aoe 6 12 6 612 vier WAL sed oe ase seats eyes ate ecap sect jas EAEE AEE 6 12 6 6 13 Image direction scan ccescennea i eureeacrrnnerenenemaledeumreasennnee 6 12 93132682 00 Contents 1 Chapter 6 CVS 841 851 Using menus Page No 6 6 14 Image partition scs ccccuccetcocsasesassccdacsercoctemeceeusieee dnatadevdeceareceeuene 6 12 6 6 15 IMAGES SWAP direret 6 12 6 6 16 Color Bar scale htc herccteie rtd inten dite ctetter ae cero 6 13 6 01 7 Present DOSINOM ieira a ar E 6 13 6 6 18 Boat Speed ni een r a a a a a det Mel ca NGa sO 6 13 6 6 19 BealiNg irran erae aa eA SE ARE EE ERA EERE 6 13 6 6 20 Water Temp
42. Set the MODE switch to USER 1 position to show the USER 1 image 2 Press the menu key to show the MENU list 3 Press the up or down arrow key to highlight Image and press the right arrow key 4 Press the up or down arrow key to select Enhance The Enhance sub menu is shown with the dynamic range of 25 dB 5 If you wish to change the setting press the right arrow key and then press the up arrow key You can choose 35 45 55 and 65 dB each time you press the key 6 Press the MENU key or the left arrow key three times to fix the setting and exit the menu EI 2002 05 04 Wed 14 22 56 Nor Sam O10 00 Image Speed 1 1 Ce oee a ee eee y a ol l l TESS Arce Enhanced image Normal image Figure 7 14 The effect of Enhancement 7 10 93132682 00 CVS 841 851 Chapter 7 Functional Registration Main Menu gt Image gt Enhance Customize Initialize Simulator Simulator Figure 7 15 Setting the Enhancement effect 93132682 00 7 11 Chapter 7 CVS 841 851 Functional Registration 7 4 Setting the 3 Division Screen H L and gain 1 Set the MODE switch to USER 3 2 The gain adjustment for High Frequency 1 can be made with the H FREQ GAIN control 3 The gain adjustment for Low Frequency can be made with the L FREQ GAIN control 4 The gain control for High Frequency 2 can be made only when the 3 Division Screen is selected eS FS aS DH 5 Press the up or low ar
43. T XX XXXX XXX XXXXX XXX a hhmmss ss a a hh lt CR gt lt LF gt Start of sentence NOTE This sentence is output only when the EVENT key is pressed 10 4 93132682 01 CVS 841 851 Chapter 10 Technical References 10 4 Data input output serial line Port name J2 The connector used Type LTWD 06BFFA L180 Serial Data input listener side The IEC 61162 1 standard signal can be received Input load 470 ohms Device Opto coupler Type TLP181 G8 Toshiba A Data Input 479 TLP181 G8 B Data Input Serial Data output talker side Serial data input circuit The IEC 61162 1 standard signal can be transmitted Device RS232C Driver IC Type 2SA1162 Serial data output circuit 10 5 Data input serial line Port name J5 The connector used Type LTWD 06BFFA L180 Serial Data input listener side The IEC 61162 1 standard signal can be received Input load 470 ohms Vce Device Opto coupler type TLP181 G8 Toshiba A Data Input B Data Input Serial data input circuit 93132682 01 10 5 CVS 841 851 Annex Sheets Annex Sheets Contents Page No Al User setting list 2 scccssccssccccccsssc secs sccded ccs ecasetnccceteccenedaceteecdan A 1 A2 Factory default liste eecce ccccncec che eedaccaccs flieeteevemcectsdetetacescecaees A 3 A2 1 Dedicated key functions ec ceee cece A 3 P22 Menu tuntonsa Ded AS 95d ld call eae ae A 3 A2 3 Depth range preset default values
44. Various types of rectifying tanks Turbulence Minimizing Enclosure are prepared according to the material of the ship s hull or transducer frequency used Mount the rectifying tank to the ship s bottom before mounting the transducer to in the rectifying tank The more the tank protrudes the less the water turbulence The following drawing illustrates an example of the through hull installation Conduit pipe SGP 1 1 2 This pipe should be extended to the draft line or ia to the junction box Plate or rod to protect knocking the nets or Protruding amount 300mm ropes TD Enclosure Rectifying Tank BOW Transducer Figure A 2 An example of the through hull transducer installation 0093132682 08 4 15 CVS 841 851 Chapter 5 Basic Operation Chapter 5 Basic Operation Contents Page No 5 1 Operating controls and functions ceee eee 5 1 5 1 1 Operating controls and key switches sesseesseeseerrereeen 5 1 5 1 2 image display esre a E Ea a ea aE 5 3 5 2 Getting i 1g 12 Paes eee ae oe eo ee 5 3 5 2 1 TUTIN ON eesti e e 22 ua see nnnstuun teens Milind Ge dladtada does 5 3 5 2 2 Selecting NORMAL image mode 6 eee eee 5 4 5 2 3 Selecting the depth range eee 5 4 5 2 4 Setting the receiver gain eee 5 5 5 2 5 The 3 Division screen and its gain Control eeeeeeeeee 5 6 B20 SeHING INES FC ieai a a ea iE E E EEEN EET 5 7 5 2 6 1 Sett
45. Z Initial setting USER 1 H BTM L BTM USER 2 H B D L B D 6 6 6 User settings USER 3 The 3 Division screen can be allocated to USER 3 function Selections H 1 H 2 L H 2 H 1 L L H 1 H 2 L H 2 H 1 H 1 L H 2 H 2 L H 1 Initial setting H 1 H 2 L 6 6 7 Depth value Selects the text size of a depth indication on the screen Selections OFF Large Middle Small Initial setting Large 6 6 8 Depth value position Sets up the position of the digital depth indication on top or bottom of the screen Selections Bottom Top Initial setting Bottom 0093132682 05 6 11 Chapter 6 CVS 841 851 Using the menu 6 6 9 Scale Sets up the position of the depth scale on the screen The choices are a single scale display shown at the right hand side of a single or dual screen or dual scale displays shown in the left hand side of each screen Selections OFF Single All Initial setting Single 6 6 10 Scale position Sets up the horizontal position of the depth scale on the screen right hand side or the center Selections Side Center Initial setting Side 6 6 11 Scale value Selects the size of the depth scale value Selection Large Small Initial setting Small 6 6 12 Time Mark Selects the time marker on or off or time unit every 10 seconds 1 minute Selections OFF 10 sec 1 min Initial setting 10 sec 6 6 13 Image direction Selects the direction of image movement Selections lt hae
46. a fish echo which may assist in discerning the characteristics type of the school of fish Selections ON OFF Initial setting OFF Single Display Dual Display Single Display Dual Display ________ Image feed Image feed direction Figure 6 9 Position of the A Scope display 0093132682 05 6 9 Chapter 6 CVS 841 851 Using the menu 6 6 2 Information Window Displays a digital window in which the following information is shown Own Ship s position Event position water temperature and ship s speed Selections ON OFF Initial setting OFF NOTE 1 The Information Window feature is not available in CVS 841 CAUTION The following external devices must be connected to display the information in the window A navigation receiver that supplies the NMEA serial data for own ship position event position and own ship s speed indications A temperature speed sensor ST 80 1 90 1 100 1 that supplies water temperature and own ship s speed indications 6 6 3 Zoom type BTM Bottom The bottom image is always fixed in the lower part of the screen even though the depth changes Zoom range Figure 6 10 Layout of BTM image display BD Bottom Discrimination om A ac Even though the sea bottom depth changes the top surface of the sea bottom is displayed as a flat surface in order to serve as a reference A range of measurement is also taken underneath the reference This results in being able to distingui
47. able image modes in the USER 1 menu 7 Press the MENU key or the left arrow key to fix the H Enhance See NOTE selection The display will return to an upper level menu showing USER 1 H Enhance under the DISPLAY menu NOTE The H Enhance function is defaulted to 25 dB To change the setting refer to Para 7 5 Setting the Enhance effect User 1 H MIX L MIX H L MIX DEN Zoom Type ZOOM B Zoom Range 5 0 B L EN H BTM L BTM fees Ton Scale Value Small B CVS 841 H B D L B D H ZOOML ZOOM H B X L B Z Display Information Window OFF Zoom Type ZOOM B Zoom Range 5 0 B User 2 B D B Depth Value targe E Depth Value Position Bottom S Scale B ae CVS 851 Figure 7 7 Fixing the entry to the USER 1 menu 8 9 To exit this menu press the MENU key or the left arrow key twice 93132682 00 To continue the settings for USER 2 repeat the procedure from step 3 7 5 Chapter 7 CVS 841 851 Functional Registration 7 2 2 Registering functions to USER 3 1 Press the MENU key to display the menu 2 Press the right arrow key to select User 3 3 Further press the right arrow key to display the User 3 selection window 2 3 A Scope OFF D A Scope OFF D Zoom Type ZOOM Information Window OFF Pann a Pomme Paar Zoom Range 2 5 Zoom Type ZOOM Userl Zoom Range User2 1 User1 Customize Ween i Initialize Depth Value Large Simulator
48. ain Peoperty 8800 type 8800 type 8800 type 8800 type STC Property Standard Standard Standard Standard Color Customize Panel Lock All OFF All OFF All OFF All OFF Panel Brightness 5 5 5 5 5 5 5 5 Simulator OFF OFF OFF OFF A 4 93132682 00 CVS 841 851 Annex Sheets A2 3 Depth range preset default values Depth Range Preset Factory Default 1 m Factory Default J fm Factory Default 3 m Factory Default 4 ft 1 2 3 4 5 6 7 8 3kW SkW 1 20 10 20 60 2 50 30 50 160 3 80 50 80 260 4 100 65 100 320 5 200 130 200 640 6 500 330 500 1600 7 1000 650 1000 3200 8 1500 1000 1500 5000 93132682 00 A 5 KODEN Koden Electronics Co Ltd Tamagawa Office 2 13 24 Tamagawa Ota ku Tokyo 146 0095 Japan Tel 81 3 3756 6501 Fax 81 3 3756 6509 Uenohara Office 5278 Uenohara Uenohara shi Yamanashi 409 0112 Japan Tel 81 554 20 5860 Fax 81 554 20 5875 www koden electronics co jp Printed in Japan
49. and free from dampness water spray rain and direct sunlight 4 Provide enough space for servicing Consider access to the rear panel for connecting various cables 5 Position the display unit as possible away from other radio equipment 4 5 Cable routing and connections 1 The transducer cables should be securely fastened to the TX RX chassis using strain relief cable clamps and run separately away from other cables such as radio antenna feeders power cables etc Under no circumstances should it be in parallel arrangement with other cables These precautions are essential to avoid radio interference to from other equipment installed on the ship If this arrangement is not possible either cable set should be screened with a metal conduit or 0093132682 08 4 1 Chapter 4 CVS 841 851 Installation another form of shielding 2 The display unit should be grounded to the hull as short as possible We recommend using a wide and heavy copper braid or plate to be connected to a grounding stud at the rear of the display unit 3 The power supply cable should be connected directly to the ship s battery to avoid RF noise conducted from other equipment on board 4 6 Display Installation The display unit is designed for table mount and flush mount Refer to the following descriptions for installation See Figure 4 1 to 4 7 4 6 1 Table mounting 1 Remove the two knurled fixing knobs that fix the display unit to the mounting bracke
50. ar form at the right side of the screen i e signal intensity in the horizontal and depth in the vertical Bottom Alarm The alarm that warns the existence of the sea bottom The alarm is generated when the sounder has detected the sea bottom within a preset depth Bottom Discrimination Bottom image is zoomed with reference to the seabed This feature allows an analysis of the sea bottom in addition to the type of fish school Bottom Lock The sea bottom is always displayed flat with a normal display which is shown on the upper half of the screen This allows easy finding of a fish school near the sea bottom and observing the entire sounder image Bottom Zoom The generic term of zoomed sea bottom presentations that includes the Bottom Lock Bottom Discrimination and Bottom Zoom Color Alarm An audible alarm function that is triggered when the sounder detects a school of fish in a specific color The color can be specified by the operator via the menu Comparison Mode A video processing method to discern a weak fish school out of a large mass of fish schools This mode displays the result of the comparison between HIGH and LOW frequency echoes If those echoes are overlapped at the same depth the resultant colors are displayed in mixed colors However if the HIGH frequency echo is displayed in red strongest color the mixed color will also be red to show the echoes are from small fish If the mixed fish school is partly dis
51. ard vusecuccccccs sce cecies ccccerercerecicceette 1 1 1 3 Equipment configuration cccccssssseseeeseeeeeeees 1 1 1 4 Software type name csseeeeeeeeesseeeeeeeneeees 1 2 93132682 00 Contents CVS 841 851 Chapter 1 Operation Manual General Information Chapter 1 General Information 1 1 General features of the equipment The CVS 841 851 series sounder is designed to meet stringent demands of the professional fishermen featuring a 10 4 inch or 15 inch color LCD display a dual frequency 1 kW or 3 kW power output According to the display size and power level the model name is designated as follows CVS 841C The screen size is 10 4 inch Diagonal arranged in portrait mode with the 1 kW output CVS 851C The screen size is 15 inch Diagonal arranged in landscape mode with the 1 kW output CVS 841P The screen size is 10 4 inch Diagonal arranged in portrait mode with the 3 kW output CVS 851P The screen size is 15 inch Diagonal arranged in landscape mode with the 3 kW output The CVS 841 851 series is composed of a display unit with a built in TX RX Transmitter Receiver module and a transducer device General features of each model are as follows Display unit This unit uses a high brightness TFT Thin Film Transistor Liquid Crystal Display LCD to allow easy viewing in daytime and nighttime operations The screen size and its arrangement of the display unit vary according to the type TX RX modul
52. atic Electricity Static sensitive semiconductor devices are used in this unit Before changing the printed boards be careful not to damage any of these devices due to electrostatic build up from carpet clothes seats etc e Display Front Plate A glass plate is used in front of the Liquid Crystal Display in the CVS 841 sounder unit The glass is vulnerable against mechanical impact Use the utmost care when handling this unit not to apply mechanical shock to this part In the CVS 851 sounder unit a plastic plate is used for the same purpose which is stronger than the glass however the same caution should be taken Liquid Crystal Display A Liquid Crystal Display contains mercury which is harmful to the human body when touched When you attempt to discard this device follow the proper disposal procedures 93132682 00 1 Preface CVS 841 851 Symbols used in this manual The following symbols are used in this manual You are requested to be fully aware of the meaning of each symbol before carrying out inspection and maintenance of this equipment Alarm mark To handle the equipment ignoring this sign may lead to injury to the AN Alarm human body or damage to the equipment Caution mark To handle the equipment ignoring this sign may lead to a AN Caution malfunction of the equipment Warning High Voltage mark To handle the equipment ignoring this sign may lead to electrical AN shock to the human body Prohibition
53. cy range on the right and Zoomed range on the left with zoom starting depth at 50 and zooming range set to 20 Zoomed range 3 a olill a oll ll D D olill lz Il a ol ITI LII 4 SERES VRM Figure 5 14 Layout of NORM ZOOM mode display 5 4 Operating the VRM The VRM Variable Range Marker is a moveable depth marker shown as a line across the display which is used to measure the depth of objects in high accuracy The VRM may be shown in green or yellow i e green VRM for setting the zoom starting depth and yellow for normal VRM 5 12 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 4 1 Using the VRM in NORMAL mode WEEGN 2001 05 23 Wed 14 22 56 Shift 00 Image Speed 1 1 1 Press the J key The digital VRM display previously activated is shown highlighted black letters with revi igri ri green background i oO 2 Move the UP or DOWN key to move the VRM up or down a ol NOTE The VRM can be moved only when the VRM digit display is highlighted kel High EEVEE r TE Shift ON Image Speed 1 1 3 To change the VRM control from one to the other press the VRM key while the VRM digital display is highlighted The highlighted digital display is also changed from one to the other Figure 5 15 Operating the VRM NOTE After 5 seconds if the VRM is not operated the VRM digital display returns to be non highlited causing the VRM
54. d Correction Water Temp Correction 0 4 Range number Sounding range Figure 7 1 Depth range registration 1 93132682 00 7 1 Chapter 7 CVS 841 851 Functional Registration Registering the range Depth Range Preset 20 50 80 amp 200 Figure 7 2 Depth range registration 2 6 Press the up or down arrow key to select the depth range 7 Press the MENU or left arrow key to return to Depth Range Preset sub menu for other depth range registeration The registered value will be shown in the DEPTH RANGE REGISTERED menu The depth val e aep value y i 15 has been SIE ey registered Figure 7 3 Depth range registration 3 Depth range list 1 For meter hiro fathom Italian fathom Applicablt to all models 2 5 5 7 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 280 290 300 310 320 330 340 350 360 370 380 390 400 450 500 550 600 650 700 750 800 850 900 950 1000 1100 1200 Additional ranges for 3kW models 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000 2 For feet Applicable to all models 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 440 480 520 560 600 640 680 720 760 800 840 880 920 960 1000 1040 1080 1120 1160 1200 1240 1280 1320 1360 1400 1440 1480 1520 1560 1600 1800 2000 2200 2400 2600 2800 3000 3200 3
55. d picture display can be added to the above display mode except the C Combined display 93132682 01 3 1 Chapter 3 CVS 841 851 Specification Display area in ratio Horizontal split 1 1 Vertical split 1 1 Vertical split to 3 divisions 1 1 1 4 divisions V H divided by 2 1 1 1 1 NOTE Zoomed Horizontal split division rstio approx 2 1 Interference rejection 3 steps Off 1 2 Color rejection 15 steps one out of 15 colors Alarm Fish alarm Depth alarm Image speed Fixed 12 speed 4 1 3 1 2 1 1 1 1 2 1 3 1 4 1 6 1 8 1 12 1 16 1 32 and stop Output reduction 2 steps Standard and reduced Pulse width 4 steps Very narrow Narrow Middle Wide Color tone 3 steps 1 2 3 Background color 9 steps 1 2 3 4 5 6 7 8 9 Image mix type 3 steps A B C Digital depth display 4 steps Off Large Middle Small Digital depth display position 2 ways Up or Down Depth scale display 3 ways Off One All Scale position 2 ways Edge or Center Scale numeral display 2 ways Large or Small Time mark 3 ways Off 10 sec 1 min Image feed direction 3 ways lt gt gt gt Image split rT Image swap Al BA Water temperature 3 ways Off C F Auto function Depth range shift Clock function Year Month Day Hour Minute Second NOTE CVS 841 has no
56. d threshold in terms of its signal intensity and length Pressing any key on the operation panel can silence the alarm Further detection of echoes will activate the alarm again Unalarmed object This fish school fulfilled the signal threshold but was outside the alarm range High TEET Shit MA0 Image Speed 1 1 The upper depth alarm being set to 80 Unalarmed object This fish school is within the alarm range but less than the specified length This fish school activating the alarm The fish alarm bar white Image Alarmed object This fish as The lower depth alarm school was inside of the being set to 180 alarm range and fulfilled Unalarmed object This fish school was within the range but its color was set for rejection the signal threshold Figure 5 31 The Fish Alarm display Setting procedure Setting the Upper and Lower Fish Alarms 1 Press the MENU key to show the main menu 2 Press the up or down key to highlight FISH ALARM 3 Press the right arrow key to show FISH ALARM ON OFF 4 Press the up or down arrow key to select FISH ALARM ON 5 Press the right arrow key to show UPPER FISH ALARM 6 Press the right arrow key to show the depth value window for UPPER FISH ALARM 7 Press the up or down arrow key to enter the MSB depth value 8 Press the right arrow key to shift the digit and again press the up or down arrow key to enter the LSB depth value In a similar manner set the L
57. depth becomes shallower than 40 or deeper than 90 of the full depth scale the entire image will be reset to 65 of the scale keeping the seabed echo always shown within the screen Selections OFF ON Initial setting OFF 40 65 90 Figure 6 16 Auto Shift display 6 8 System 6 8 1 Time Adjusts the time of the internal clock In case the RMC sentence of NMEA 0183 is supplied from a navigation receiver current time is automatically displayed without the need of settings Setting items Year Month Day Hour Min and Sec Initial setting 2001 01 01 00 00 00 6 8 2 Depth unit Selects the depth unit of measure from the following options Selections m fm J fm fm ft Initial setting m 6 8 3 Depth range preset The following depth range values are registered depending on the depth unit 1 For meter hiro fathom Italian fathom Applicable to all models 2 5 5 7 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 280 290 300 310 320 330 340 350 360 370 380 390 400 450 500 550 600 650 700 750 800 850 900 950 1000 1100 1200 Additional range values for 3kW models 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000 0093132682 05 6 15 Chapter 6 CVS 841 851 Using the menu 2 For feet Applicable to all models
58. depth measurement which is shown on the screen Selections Auto High Frequency Low Frequency Initials setting Auto 6 16 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 8 9 Sonic correction Corrects the depth indicator value to a known true value A depth indication may deviate from a true value because of the water temperature difference or salt concentration in the water This setting compensates such deviation Selections 7 to 2 Initial setting 0 6 8 10 Water Temp correction Compensates the deviation of a temperature value supplied from the speed temperature sensor ST 80 1 ST 90 1 or ST 100 1 Selections 10 0 to 10 0 Initial setting 0 0 6 8 11 Boat Speed correction Compensates the deviation of a boat speed value supplied from the speed temperature sensor ST 80 1 ST 90 1 or ST 100 1 Selections 10 0 to 10 0 Initial setting 0 0 6 8 12 Speed data Displays the boat speed data supplied from a speed sensor The speed sensor can be supplied from a dedicated temperature speed sensor or from a navigation receiver via the connector described below INT This connector is used when the speed data is taken from a dedicated speed sensor ST 80 1 90 1 100 1 When no data is supplied 0 0 will be shown in the speed data window EXT This connector is used when the speed data is supplied from an external sensor or navigation receiver in NMEA format When no data is supplied xxx x will be shown in
59. display 1 Pressing the left arrow key rejects the specified color s and therefore is removed from the color bar shown on the le High 2001 05 23 Wed 14 22 56 Shift 00 00 RN ET EE EE A a Pressing the right arrow key resumes the color s v Figure 5 27 Color Rejection select display 2 93132682 00 5 19 Chapter 5 CVS 841 851 Basic Operation 5 9 Setting the Alarm Function There are two alarms available the Depth Alarm and Fish Alarm 5 9 1 Depth alarm The Depth alarm is activated when the sea bottom becomes shallower or deeper than a preset depth range Refer to Figure 5 29 for detail Pressing any key on the operation panel silences the alarm The alarm sounds High MPT YSERA Le Mn eee Shift omy Image Speed 1 1 when the sea bottom becomes shallower than 80 and stops when it becomes deeper The alarm sounds when the sea bottom becomes deeper than 180 and stops when it becomes shallower Upper depth alarm being set to 80 Upper and lower thresholds of the depth alarm Lower depth alarm being set to 180 Depth alarm bar red Figure 5 28 Depth Alarm display To use this function 1 Press the ALARM key A pop up window appears on the screen 2 Press the up or down key to select DEPTH ALARM 3 Press the right arrow key to enter the depth alarm setting menu and then press the down arrow key to set the depth alarm ON Now you need to set upper and lower limit of the
60. e This module is composed of the transmitter and receiver sections contained in the display unit Changing the settings on the printed board of this module can change the transmitting power level and frequency The output power can be selected from 1 kW CVS 841C 851C or 3 KW CVS 841P 851P and the frequency from 28 kHz 38 kHz or 40 kHz 50 kHz 75 kHz or 200 kHz All controls of the sounder unit can be performed from the display unit The operation is simple and straightforward using dedicated rotary controls and tactile keypads with user friendly menus The unit can be set to hands free operation where the gain and depth range are automatically selected to an optimized level by a micro controller chip The display unit is a splash proof design meeting IPX5 technical standard 1 2 Applicable standard The CVS 841 851 series of sounder is designed and tested to comply with the international standard of IEC 60945 3 edition that defines general requirements of electronic maritime equipment 1 3 Equipment configuration The CVS 841 851 system composition is shown in Table 1 1 Refer to Figure 1 1 for the system configuration diagram 93132682 01 1 1 Chapter 1 General Information Table 1 1 Type names of component units CVS 841 851 Operation Manual Model name Output Transducer TD 282 28kHz CVS 841C 1kW TD 401D 38kHz or 40 kHz CVS 851C TD 501B 50kHz TD 751 75kHz TD 2001D 200kHz
61. e 6 3 Common key switch operating order Returning to a previous menu Press the MENU key or the left arrow key to return to a previous menu To return to the normal display press either of these keys repeatedly 6 2 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 3 Confirming the factory initial settings CAUTION The unit has been set to factory initial settings Before operating the unit confirm their settings by using the following procedure Transmission B Image o Lcusomize BI Press the MENU key and Customize then press the up or mtae o down arrow key to select INITIALIZE Simulator Initialize User Settings Factory Set Ee a The item highlighted is the factory initial setting For detail of the settings refer to Annex Sheets A2 Factory Initial setting list Figure 6 4 Selecting the factory settings To exit from the menu press the MENU key or the left arrow key 3 times o 0093132682 05 6 3 Chapter 6 CVS 841 851 Using the menu 6 4 Menu list Menu Sub Menu 1 Sub Menu 2 Parameters Transmission Pulse Width H Super Short Short Middle Long Pulse Width L Super Shortt Short Middle Long Output Normal Low PRR 1 10 Image Enhance 25 35 45 55 65 Color Tone 1 3 Background Color 1 9 White Line OFF 1 5 Mix Type A B
62. e MENU key switch The following key switches are used for the menu with their locations shown in REJ Figure 6 1 Menu key Menu key 4 way arrow key Figure 6 1 Locations of the key switches 6 2 Operating procedure of the menu driven functions 1 Press the MENU key to show the Main Menu STC DEPTH S STC AMPTD 456 456 2 Press the up or down arrow key to select a menu item and press O XO the right arrow key to show its sub menu list Ts OS 3 Press the up or down arrow key to select a sub menu or to select a BRIGHTNESS 1 numerical value 4 Press the MENU key or the left arrow key repeatedly until the normal screen display is shown The above procedures are illustrated as follows with actual menu windows shown Displaying the Main Menu Mein Menr ehdi Image Display Auto System Customize Initialize Simulator Figure 6 2 Main Menu display 0093132682 05 6 1 Chapter 6 CVS 841 851 Using the menu Selecting a sub menu item A press of the up or down arrow key shifts the highlighted part up or down by one step Pressing and holding either the up or A down arrow key shifts the highlighted part up or down continuously a Displaying the sub menu of the highlighted Main Manu item Ld L2 E L D D D D Selecting a sub menu item with value settings Press the up or down arrow key to select an item Increasing or decreasing e the value g Figur
63. ee CW 60 10M 10m Loran CW 154A 5M 5m LR eee DC Power Cable CW 253 2M 2m 10 10 15 VAG _ p ae 200 220 230 VAC z ARPA SPE eee eee eee Speed Temperature z sensor with cable and connector ST 80 1 ST 90 1 ST 100 1 AC Power Cable VV 2D8 3M 3m 10 8 31 2 VDC Transducers NOTE 1 A section in a dotted block is an optional item NOTE 2 The Junction Box JB 32 is available for long cable connections Figure 1 1 System configuration of CVS 841 851 series sounder 93132682 01 1 3 CVS 841 851 Chapter2 Equipment Composition Chapter 2 Equipment Composition Contents Page No 2 1 Standard equipment list cseeeeeeeeeeeeeeeeeeeeeeeneneees 2 1 2 2 Spare parts TSU akenio ct ae tas cai eatin eas aeea aodai 2 1 2 3 Optional items list ssccssce titel ceckedetrcersec eh eee ete 2 1 2 4 Available transducers list eseeeeeeeeeeseeeeeeeeeeeeneeees 2 2 93132682 00 Contents CVS 841 851 Chapter 2 Equipment Composition Chapter 2 Equipment Composition 2 1 Standard equipment list No Item name Type name Remarks WeightLengh Q ty 1 Display CVS 841C P With base mount 6 8 kg 1 CVS 851C P With base mount 10 5 kg 2 DC cable CW 253 2M For Display Unit 2m 1 3 TD cable CW 836 3M For Transducer 3m 1 4 Spare parts Detail in Spare Parts List aaa 1 set 5 Operation English antl i Lee LSet 2 2 Spare par
64. ence to J5 8 2 93132682 01 CVS 841 851 Chapter 8 Trouble Shooting 8 4 Setting the video threshold The bottom detection capability of the sounder may be affected by the transmitting power level frequency transducer type and its mounting location in the hull If you encounter unstable digital bottom depth indication on the display please use the following procedure to obtain a correct and stable bottom depth indication NOTE The following settings should be done in your ordinary fishing ground Setting procedure for the bottom detection threshold 1 Activate the A Scope display by the following order Menu gt Display gt A Scope gt ON 2 Select the frequency by setting the image mode switch to NORM H or NORM L 3 Select the Depth Measurement sub menu by Menu gt System gt Depth Measurement gt High Frequency or Low Frequency NOTE When this sub menu is selected the sonar image sensitivity may be reduced You do not worry about this because it is the processed video for the bottom detection 4 To determine the best setting use the following procedure a Observe the A Scope in which a threshold graph is shown The threshold level is being preset to 40 for both HIGH and LOW frequencies Adjustable range is from 80 to 40 b Use the up and down key to allow the graph to touch the right end of the green bottom video Read the threshold value at this time c Again press the down a
65. fish alarm Perform the following procedure in order Setting the Upper Alarm 1 Press the right arrow key to select Upper Alarm 2 Press further the right arrow key to show an alarm range window 3 Press the up or down arrow key to set the alarm depth 80 for example The upper end of the Depth Alarm bar will be set to 80 5 20 93132682 00 CVS 841 851 Chapter 5 Basic Operation Fish Alarm OFF ee The Depth alarm bar Figure 5 29 The Depth Alarm select display Open DEPTH ALARM OFF Depth Alarm When Depth Alarm is set to On Depth Alarm bar in red is shown on the right side of the screen Set Upper Alarm range Select UPPER ALARM Depth Alarm Depth Alarm Lower Alarm 600 G Press the up or down arrow key to set the depth Figure 5 30 Selecting the Depth Alarm Setting the Lower Alarm 1 Press the ALARM key or Left arrow key to display the Depth Alarm window 2 Press the down arrow key to select LOWER ALARM 3 Press the right arrow key The Lower Alarm digital window will appear 4 Press the upper or lower arrow key to enter the depth Exiting the Depth Alarm Press the ALARM key or left arrow key four times Or press the MENU key twice 93132682 00 5 21 Chapter 5 CVS 841 851 Basic Operation 5 9 2 Fish alarm The Fish Alarm is an audio alarm which is activated when fish echoes enter a predetermined depth range or fulfill the predetermine
66. four way arrow keys cannot be function locked 6 9 5 Panel brilliance Controls the brilliance of the operation panel Selections 1 5 Brightest to 5 5 Darkest Initial setting 5 5 6 10 Initialize 6 10 1 User setting This sub menu is used to register the menu driven functions specified by the user to internal registers named User 1 through to User 4 To register 1 Press the up or down arrow key to select User Setting and then select User Setting 1 for example 2 Press the right arrow key to select Registration gt Execute and then press the right arrow key The menu display disappears and now user defined menu functions are registered to the User Setting 1 register To delete 1 Press the right arrow key to select Registration gt Clear and further press the right arrow key The menu display disappears and now user defined menu functions are deleted from the User Setting 1 register 6 10 2 Factory default This sub menu is used to initialize the system to a factory default Factory Default 1 2 3 or Default 4 I CAUTION Record all current settings before implementing the above functions 0093132682 05 6 19 Chapter 6 CVS 841 851 Using the menu To do so 1 Select a Factory Default Number 1 2 3 or 4 and press the right arrow key The Factory Default sub menu Factory Default 1 2 3 4 appears 2 Press the down arrow key to select Execute 3 Press the left arrow ke
67. he UP or DOWN arrow key to show the High 2 Gain popup window 5 6 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 2 6 Setting the STC The STC Sensitivity Time Control is used to reduce the receiver gain in proportion to time which is useful to eliminate nearby unwanted echoes like plankton jelly fish etc There are two STC controls provided STC Depth and STC Amplitude Refer to the following descriptions of these controls before attempting the operation 5 2 6 1 Setting the STC Depth In this mode you are reducing the receiver sensitivity against the depth in a time proportional law with the STC amplitude fixed This mode is useful in deep sea fishing to locate a school of fish and the species STC Amplitude Max STC Strength Figure 5 8 Adjusting the STC depth Vax kakec Operational notes for STC amplitude adjustment 1 STC law A STC is not enough causing noise and unwanted residual weak echoes in shallow and mid depth zone to be shown 2 STC law B STC is appropriate causing unwanted echoes to be perfectly reduced while schools of fish are shown without degradation 3 STC law C STC is too much causing the echoes from fish school to be reduced too much 5 2 6 2 Setting the STC Amplitude In this mode you are reducing the receiver sensitivity in a time proportional law with the STC depth fixed This mode is useful in a shallow water fishing to gain better view of a school of fish near the sea
68. ic Operation 5 5 Selecting the image speed The image speed is related to the frequency of transmission For instance an image speed of 2 1 indicates that the image is moved twice each time transmission takes place To select the image speed 1 Press the IMAGE SPEED key A pop up window will appear 2 Press either the UP or DOWN arrow key to select the image speed ratio The available speed selections are as follows A 9 41 3 1 21 1 1 STOP 1 2 1 38 1 4 1 6 1 8 1 12 1 16 1 32 3 The pop up window will automatically disappear in 5 seconds after operation Image speed digital display ee gt P Tow 2001 05 23 Wed 14 22 56 Shift WON Image Speed 1 1 The pop up window shown Image Speed 1 1 Figure 5 21 Image speed display 5 6 Activating the IR function When other sounders are operated on board the ship or on other ships nearby acoustic interference may be observed shown across or diagonally on the screen in a series of short lines dots etc In such a case use this function Shift JOL image Spped 1 1 5 Ey Interference from other sounders 2 w D gt Figure 5 22 The effect of IR function 5 16 93132682 00 CVS 841 851 Chapter 5 Basic Operation To use 1 Press the IR key Pop up window will High BRITE WAN ee Shift Moa Image Speed 1 1 2 Press the UP or DOWN arrow key to change the IR setting that varies from OFF 1 Mid and 2 Intense Figure 5 23 The I
69. ice versa STC Sensitivity Time Control As the name indicates the receiver sensitivity is controlled according to the time depth to help detection of a school of fish in shallow murky water caused by the existence of plankton or some other forms of marine life 93132682 00 3 Terminology CVS 841 851 Operation Manual Simulator A simulated sonar video image shown on the screen which is useful to get the hang of the sounder operation before using it in the field Sonic Correction The correction method of a deviated depth display caused by the change of water temperature or salinity Subtraction Mode A video processing method to discern a weak fish school in a mixed image containing a large mass of a fish school This is done by subtracting LOW frequency video from HIGH frequency video If the resultant echoes are displayed in similar colors as the HIGH frequency echoes this result suggests the majority of the fish species is sensitive to HIGH frequency transmission i e the detected fish school could be small fish like young sardine If the resultant colors are shown in different colors from HIGH frequency transmission it indicates the fish school is sensitive to LOW frequency therefore a larger size of fish species Synchronization with External Sounder This function is used to reduce interference from other sounders operated on the same ship by synchronizing the transmission timing Through hull Installation
70. ing the STC Depth aceetesscessssreecetacueadscestaeccaeht caateoceducactenese 5 7 5 2 6 2 Setting the STC Amplitude sseeseeeseeeeeeeeeeeeeeereeerenererrreeereeee 5 7 5 2 7 Setting the ENHANCE function 0 ccc ceeeeeeeeeeeeeeeeeeeeteees 5 8 5 2 8 Changing the display position in the 3 division screen 5 9 5 3 Displaying the dual images eeeeeeeeee 5 10 5 3 1 High Frequency and Low Frequency imag s 1 000 5 10 5 3 2 High Frequency NORM ZOOM images 5 10 5 3 3 Displaying Low Frequency NORM ZOOM image 5 11 5 3 4 Common key operations e eee ee ee cette ee eeteeeee eee eeeeeees 5 11 5 3 5 Setting the partial Zoom position in NORM ZOOM mode 5 12 5 4 Operating the VRM nsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 5 12 5 4 1 Using the VRM in NORMAL mode l 5 13 5 4 2 Using the VRM in Dual Image mode cceeeeeeeeeeeeeees 5 14 5 4 2 1 Vertical split screen Dual Frequency mode sssessseeseeenn 5 14 5 4 2 2 Vertical split screen NORM ZOOM image mode 5 14 5 4 2 3 Horizontal split screen Dual Frequency mode 5 15 5 4 2 4 Horizontal split screen NORM ZOOM image mode 5 15 5 5 Selecting the image speed cccceeeceeeeeeeeeeeeeeeeeeeeeeeeeeees 5 16 93132682 01 Contents 1 Chapter 5 CVS 841 851 Basic Operation 5 6 Activating the IR function e eee 5 16
71. inoperative To resume the VRM operation press the VRM key again The last activated VRM will be made available The above example shows a VRM marked with 130 available 93132682 00 5 13 Chapter 5 CVS 841 851 Basic Operation 5 4 2 Using the VRM in Dual Image mode 5 4 2 1 Vertical split screen Dual Frequency mode 1 Press the VRM key The last active VRM digital display will be highlighted Shift C1 OM OF Image Speed 1 1 2 Press the UP or DOWN cursor key to move the VRM up or down The VRM depth will be shown in the VRM digital window 3 To change the VRM control from one to the LEWIN 2001 05 23 Wed 14 22 56 Shift uot Image Speed 1 1 other press the VRM key while the VRM digital display is highlighted The highlighted digital display changes to active VRM TEEI TEES a iO io Ca op Figure 5 16 Operating the VRM in Vertical Split Dual Frequency mode 5 4 2 2 Vertical split screen NORM ZOOM image mode EQN 2001 05 23 We _14 22 5 High Aa OOO Ofer GAS s LA oO iO 1 Press the VRM key The last active VRM digital display will be highlighted 2 Press the UP or DOWN cursor key to move the VRM up or down The VRM depth will be shown in the VRM digital window A Figure 5 17 Operating the VRM in Vertical Split NORM ZOOM image mode 1 ee a Pittifjottt iO j oO o kai no ion ae jon io ion o N o o 5 14 93132682 00 CVS 841 851 Chapter 5
72. lay shown or F selected unit 2 Is the temperature speed sensor 2 Connect an appropriate sensor type ST 80 1 90 1 100 1 type to CVS 841 851 connected to the receptacle J4 3 Select the suitable setting TEMP located at the rear panel 3 Check if INT or EXT is properly selected for the temperature data input No present position is 1 Is the L L or LOP coordinate 1 Select the suited coordinate shown selected in the Display Present Connect a Navigator unit that Position menu supplies NMEA 0183 format 2 Is the necessary NMEA 0183 Nav with suitable sentence GGA data GGA GLL GTD RMC GLL GTD RMC supplied via the receptacle J5 SER DATA at the rear panel No ships speed data 1 Is the speed unit kmh mph kt 1 Select a desired speed unit in shown selected in the Display Boat the menu Speed menu 2 Connect a suitable speed 2 Is a proper speed sensor sensor ST 80 1 90 1 100 1 connected 3 Connect a Navigator unit that 3 Is the necessary NMEA 0183 Nav supplies NMEA 0183 format data VTG supplied via the with VTG sentence to J5 receptacle J5 at the rear panel No own ship s bearing 1 Is the Bearing ON selected in the 1 Select Bearing ON in display shown Initial Menu Display Bearing the menu 2 Is the necessary NMEA 0183 Nav 2 Connect a Navigator unit that Data VTG supplied via the receptacle J2 SER DATA at the rear panel supplies NMEA 0183 format with VTG sent
73. lephone 81 554 20 5865 Telefax 81 554 20 5880 Identified by the type number CVS 851C 851P to which this declaration refers conforms to the requirements of Directive 89 336 EEC amended by 92 31 EEC and 93 68 EEC and is in conformity with the EMC Health and Safety standards of EN60945 Saburo Suzuki 05 Jan 2004 DIALED savccsisicnsossccvicsamsnamecemenecamenemsewnincene Koden Elektronik GmbH Am Gewerbepark 15 D 64823 Gross Umstadt Germany Phone 49 6078 2056 elefax 49 6078 73824 N B As this product is for Maritime use compliance with Directive 72 23 EEC is not required AMENDMENT HISTORY CVS 841 851 OPERATION MANUAL Doc No 0093132682 No Document No amp Rev No Date Amendments Y M D 0 93132682 00 2003 12 17 First issue 1 93132682 01 2004 05 27 Cover Address 2 93132682 02 2004 06 10 Chaper1 2 3 4 8 10 and Chaper5 Contents 3 93132682 03 2004 10 10 Chaper4 4 0093132682 04 2006 03 02 Cover 5 0093132682 05 2006 05 29 Cover Chaper5 6 0093132682 06 2006 08 16 Cover Chaper2 7 0093132682 07 2008 09 22 Declaration 8 0093132682 08 2009 04 16 Chapter 4 9 10 Amendment policy When any change is applied in the document only the document number of the relevant sheet s and cover sheet are modified and the rest of the sheets are not changed The document number is shown in the footer area right or left bottom of each sheet the
74. lit Horizontal Split Figure 6 14 Available positions of Water Temperature Graph 0093132682 05 6 13 Chapter 6 CVS 841 851 Using the menu 6 6 22 Event position Turns on or off the Event position display and selects its unit in latitude longitude or LOP Time Difference In case the Boat Position is set to OFF the Event position is displayed in latitude longitude Selections ON OFF Initial setting OFF 6 6 23 Event distance Turns on or off the Event distance display and selects its unit from nm km or sm In case the Boat Speed is set to OFF the distance to Event is displayed in nm Selections OFF ON Initial setting OFF 6 6 24 Event direction Turns on or off the direction of Event to own ship Selections OFF ON Initial setting OFF 6 6 25 Event elapsed time Turns on or off the time elapsed from Event position Selections OFF ON Initial setting OFF 6 7 Automatic functions There are two auto functions available for range selection or depth shift control Selections Auto Range Auto Shift 6 7 1 Auto range Displays an entire sonar echo of varying depth by automatically phasing the sounding range The image is referenced to the surface of the sea as shown in Figure 6 16 Selections OFF ON Initial setting OFF Figure 6 15 Auto Range display 6 14 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 7 2 Auto shift Displays a seabed echo of varying depth within the screen When the seabed
75. m Upper Alarm Upper Alarm 80 b 0 Lower Alarm y Lower Alarm 18 Alarm Sig Length Long g Alarm Color For lower level color setting Colors assigned by blue mark are assigned for alarming colors Figure 5 33 Setting the Fish Alarm Alarm signal color To exit from this menu press the ALARM key switch 5 24 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 10 Operating the EVENT key The EVENT key is used to mark ship s position instantly useful for storing the position of an event such as a man overboard accident a dense fish echo sounding etc To use this function simply press the EVENT key switch The EVENT information will be shown in the upper left corner of the screen that include the following 1 Ship s position in latitude and longitude 2 Bearing and distance to the EVENT mark from own ship 3 Time elapsed from when the EVENT was marked Subsequent pressing of the EVENT key will update the above information When the EVENT key is pressed a red line appears here to mark up the event Image Speed 1 1 35 36 115N 139 43 782E EVENT information 0 0nm is shown here 0 0 00h00m 35 36 115N 35 36 115N 139 43 782E Current nav information 139 43 782E 25 2 C is shown here 25 2 C 21 5Kt 21 5Kt 315 0 315 0 The time elapsed from when the EVENT key was pressed High 2001 05 23 Wed 200 i olo Mo Image Speed 1 1 The latitude and longit
76. m or set numeric values The selected or entered value will be fixed when you exit the menu 5 To exit from the menu press the MENU key until normal image is shown 93132682 00 5 11 Chapter 5 CVS 841 851 Basic Operation 5 3 5 Setting the partial zoom position in NORM ZOOM mode 1 Select ZOOM in NORM ZOOM mode To do so proceed as follows Menu gt Display gt Zoom Type gt ZOOM 2 Select Zoom Range To do so proceed Menu gt Display gt Zoom Range and then select the zoom range out of the following depth selections Depth Unit meter hiro fathom Italian fathom Range selections 2 5 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Depth Unit feet Range selections 10 15 20 30 40 50 60 80 100 120 140 160 180 200 220 240 260 280 320 360 400 450 500 550 600 650 3 To display Hi Frequency NORM ZOOM image select H ZOOM to display the Lo Frequency NORM ZOOM image select L ZOOM 4 Press the VRM key The digital VRM display in green will be highlighted NOTE n case the digital display is shown in yellow press the VRM key to change the display green 5 Press either the up or down arrow key D to set an upper limit depth Zoom starting depth marker A zoom starting depth is shown here in green Zoom range marker Zoom range 2001 05 23 Wed 14 22 56 Lo E Cfo Image Speed 1 1 The picture on the right shows the display set up in this procedure Normal Low Frequen
77. on 1 To display Auto Shift image first select AUTO SHIFT in the menu The word AUTO SHIFT will appears on the upper side of the screen 2 Press the SHIFT key to display Auto Shift image 3 To cancel Auto Shift mode press the SHIFT key again The words AUTO SHIFT appears here pp Os eee 7 High TE ee Auto Shift Image Speed 1 1 When the seabed depth becomes shallower than 40 or deeper than O 90 of the full depth scale the entire 40 image will be reset to 65 of the scale 90 Figure 5 25 The Auto Shift image 5 8 Using the Color Rejection function To reduce unwanted echoes like boat noise marine life those shown in weaker colors like pale blue pale green etc use this function Sonar echoes in specific colors may be reduced causing the image to become clearer 1 Press the COLOR REJ key The Color Rej pop up window will appear 2 Press the up or down arrow key to select colors to be rejected from color palette A blue small square mark moves up or down according to the key entry 5 18 93132682 00 CVS 841 851 Chapter 5 Basic Operation 3 Press the left arrow key to reject the selected color To resume the color press the right arrow key 4 The pop up window will automatically disappear in 5 seconds after the operation High 2001 05 23 Wed 14 22 56 Shift 10 0 00 E ET TEES E i PA Color Rej A blue square mark J moves up or down 9 Figure 5 26 Color Rejection select
78. ower Fish Alarm When finished the Fish Alarm bar will be set to indicate upper and lower alarm limit 5 22 93132682 00 CVS 841 851 Chapter 5 Basic Operation Setting the Alarm color Assuming the main menu is shown 1 Press the up or down key to highlight ALARM COLOR 2 Press the right arrow key to select ALARM COLOR selection menu 3 Press the up or down arrow key to select the color Setting the Alarm Signal length Assuming the main menu is shown 1 Press the up or down key to highlight ALARM SIGNAL COLOR 2 Press the right arrow key to select ALARM SIGNAL LENGTH selection menu 3 Press the up or down arrow key to select the length To exit these menus from the bottom line press the left arrow key four times or press the MENU key twice Fish Alarm 2 9 ell Sets the Upper Alarm value Alam High 50 e A N Alarm High CD p pre eel y GY a remcor E Alarm Sig Length L B Selects the Lower Alarm menu Fish Alarm Alarm High gt r Alarm Color Alarm Sig Length E Select the Fish Alarm 5 Alarm Signal Length length Alarm Signal Length Short wW Mid length is selected in Short ERT m GO o Figure 5 32 Setting the Fish Alarm Alarm signal length 93132682 00 5 23 Chapter 5 CVS 841 851 Basic Operation Now return to upper level menu to proceed to next setting the Signal Color Select the Signal Color Fish Alarm Fish Alar
79. p Correction 10 to 10 Speed Correction 10 to 10 Speed Data INT EXT Water Temp Data INT EXT EXT Trigger Type OFF T LANGUAGE Japanese English Customize GAIN Property Linear 8800 type STC Property Standard 8800 type Color Customize 000 255 Panel Lock GAIN H Knob OFF ON GAIN L Knob OFF ON ENHANCE H Knob OFF ON ENHANCE L Knob OFF ON STC AMPTD H Knob OFF ON STC AMPTD L Knob OFF ON STC DEPTH H Knob OFF ON STC DEPTH L Knob OFF ON RANGE Knob OFF ON MODE Knob OFF ON VRM Key OFF ON IMAGE SPEED Key OFF ON IR Key OFF ON SHIFT Key OFF ON COLOR REJ Key OFF ON ALARM Key OFF ON EVENT Key OFF ON Panel Brightness 1 5 5 5 Initialize User Setting 1 4 Factory Default 1 4 Simulator OFF ON 6 5 Descriptions of the menu functions 6 5 1 Transmission 6 5 1 1 Pulse Width H L Definition and detectable depth of a sounder varies depending on the pulse width The CVS 841 851 series sounder has 4 selectable pulse widths Super Short Short Middle Long for High and Low frequencies The characteristic of each pulse width is as follows Selections Super Short Image definition is very good but detectable depth is extremely shortened Short Image definition is good but detectable depth is shortened Middle Image definition and detectable depth are improved compared with the Short Long Detectable depth is lengthened Initial setting Short 0093132682 05 6 5
80. played in predominant colors like red orange and yellow Selections 25 35 45 55 65 Initial setting 25 To set up 1 Select the degree of the video enhancement in the sub menu 2 Turn the Enhance control for High Frequency or Low Frequency on the operation panel to a desired level 6 5 2 2 Color tone Varies the sonar color tone in 3 ways as follows Selections 1 2 3 steps 1 16 colors KODEN standard color 2 16 colors White not inclusive 3 8 colors KODEN standard color Initial setting 1 6 5 2 3 Background color The background color of the screen can be changed in 9 ways Selections 1 9 1 Pale Blue 2 Marine Blue 3 Blue 4 Dark Blue 5 Black 6 Pale Greenish Blue 7 Greenish Blue 8 Dark Greenish Blue 9 White Initial setting 1 6 5 2 4 White Line The white line is drawn on the edge of the seabed echo to indicate a profile of the seabed The thickness of the white line can be varied in 5 steps Selections OFF 1 2 3 4 5 1 Fine 5 Bold White Line Initial setting OFF Figure 6 7 White Line display 0093132682 05 6 7 Chapter 6 CVS 841 851 Using the menu 6 5 2 5 Mix type This mode of function enables quick and easy finding of small fish like young sardines utilizing the intrinsic nature of acoustic wave As widely known small fish are sensitive to the high frequency waves where the wavelength is closer to the length of the fish Meanwhile low frequency waves that have a
81. played with mixed colors among red color it suggests the possibility of a larger fish school among the small fish school 93132682 00 1 Terminology CVS 841 851 Operation Manual Distance Traveled A logged distance the ship has made This feature is available only when the speed sensor device is installed Draft Line A sub menu function that adjusts the transducer depth in order to obtain the correct sounding depth in shallow waters Dual frequency Mix A sonar video processing method to detect weak schools of small fish like anchovy utilizing the sounder s inherent characteristic that small fish are sensitive to high frequency sonar pulses but insensitive to low frequency Dual Frequency Normal A mode of screen presentation in that both high and low frequency images are shown on the screen Echo Length Alarm An audible alarm function that is triggered when the sounder detects a school of fish of a certain length The length can be specified by the operator via the menu Fish Alarm An audible alarm function that is triggered when a school of fish which size and color are specified exists within a predetermined alarming depth range Fix Shift Using this mode the image starts from a preset depth within a selected range Format The arrangement of the navigational data sentence supplied from an external navigator device Gain The degree of the receiver sensitivity which can be controlled by the operator
82. quency GAIN control Figure 5 7 Receiver gain controls and the images varied by the gain control 93132682 00 5 5 Chapter 5 CVS 841 851 Basic Operation 5 2 5 The 3 Divion screen and its gain control Setting the MODE switch to 3 CVS 841 or USER 3 CVS 851 allows the 3 Division screen to be displayed In this mode two HIGH Frequency screens H1 and H2 for convenience and one LOW Frequency screen are displayed The unique feature of this mode is an independent gain control of each HIGH Frequency screen To vary the gain of L screen Turn the L GAIN control on the control panel Turning the control to the right increases the gain and to the left decreases the gain To vary the gain of H1 screen Turn the H GAIN control on the control panel To vary the gain of H2 screen Press the UP or DOWN arrow key first A small pop up window will be displayed While the window is shown press the UP or DOWN key to decrease the gain UP for increasing the gain DOWN for decreasing the gain About 5 seconds after the key is pressed the window will disappear Press the Up or DOWN arrow key to change the setting Press Up or DOWN arrow key to show the popup window Gain control index is shown here that can be varied from 0 0 to 10 0 NOTE When the screen is set to SHIFT mode the UP and DOWN arrow keys are dedicated for the depth shift setting To recover the H2 gain control escape the SHIFT mode first and then press t
83. r way arrow key Selects or sets up the menu items etc H FREQ GAIN control Varies the receiver gain of High EVENT key Krequency image Registers or updates the event COLOR REJ key L FREQ STC DEPTH control Warez ekoi RANGE switch Selects the setting of aries the effective range o iecti ion Low Frequency STC in depth Selects the depth range Color Rejection functio MODE switch ALARM key E FREG ATG AMPTD control Selects the image mode Turns on or off the Alarm Varies the intensity of Low This key is also used to Frequency STC select the alarm setting L FREQ ENHANCE control IMAGE SPEED key Varies the degree of enhance effect Selects the image speed for Low Frequency image IR key L FREQ GAIN control Turns on or off the IR Varies the receiver gain of Low Interference Rejection Frequency image effect This key is also used to select the IR setting Figure 5 2 CVS 851 Details of operating key switches 5 2 93132682 00 CVS 841 851 Chapter 5 Basic Operation 5 1 2 Image displa g play Shift position depth Date Day Time Image speed Image Mode ss See ai ra Time mark 2002 02 13 Wed 14 22 56 shift 1a10_ Aimage Speed 1 17 Event display 35 37 075N 189 44 742E 1 2nm 315 0 21h39m Alarm Mark Depth N W a o lilly oll l Color patter Alarm range bar Fish Sow 35 37 075N Present positio 189 44 742E o o Zoom range bar Water Tempera
84. rection 4 l 4 Image Partition CO BE CH O Image Swap A B A B A B A B 93132682 00 A 3 Annex Sheets Menu function default values CVS 841 8521 Factory Default 1 Factory Default 2 Factory Default 3 Factory Default 4 Display Color Bar Scale ON ON ON ON Present Position OFF OFF OFF OFF Boat Speed OFF OFF OFF OFF Bearing OFF OFF OFF OFF Water Temp OFF OFF OFF OFF Water Temp Graph OFF OFF OFF OFF Event Position OFF OFF OFF OFF Event Distance OFF OFF OFF OFF Event Direction OFF OFF OFF OFF Event Elapsed Time OFF OFF OFF OFF Automatic Auto Range OFF OFF OFF OFF Auto Shift OFF OFF OFF OFF System 2001 01 01 2001 01 01 2001 01 01 2001 01 01 Time Note2 00 00 00 00 00 00 00 00 00 00 00 00 Note2 Depth Unit m J fm m ft A Dae Depth Range Preset Refer to A2 2 3 Depth Range Preset default values for default values a Day of the Week Draft Setting 0 0 0 0 0 0 0 0 displays Bottom Start 5 0 3 0 5 0 17 0 Bottom Detection Inside Range Inside Range Inside Range Inside Range Depth Detection H 40 H 40 H 40 H 40 Adjust L 40 L 40 L 40 L 40 Depth Measurement Auto Auto Auto Auto Sonic Correction 0 0 0 0 ater Temp 0 0 0 0 0 0 0 0 Correction a no no no 0 Speed Data EXT EXT EXT EXT Water Temp Data EXT EXT EXT EXT EXT Trigger Type OFF OFF OFF OFF Language Fixed to English language Customize G
85. reducing the threshold level by 6 Figure 8 1 Setting the bottom detection threshold 8 4 93132682 01 CVS 841 851 Chapter 9 Maintenance Chapter 9 Maintenance Contents Page No 9 1 Periodic inspection and cleaning esseeseeeeeees 9 1 9 1 1 Monthly check ust thin ce hed strane eee cee ose ha 9 1 9 1 2 Yearly checkar a eee eel he oe sid hoa 9 1 93132682 00 Contents CVS 841 851 Chapter 9 Maintenance Chapter 9 Maintenance 9 1 Periodic inspection and cleaning To prolong the equipment life the following maintenance should be performed on a routine basis Also from time to time check plug connections and cables 9 1 1 Monthly check If the display screen is dirty clean the screen with a soft cloth damped with anti static agent or pure water Do not use a dry cloth as it causes static build up which accumulates dust 9 1 2 Yearly check Inspect the surface of the transducer for any marine growth If so remove the growth using an appropriate tool taking care not to scratch the surface Harsh scratching of the transducer surface may cause the transducer performance to be severely degraded 93132682 00 9 4 CVS 841 851 Chapter 10 Technical References Chapter 10 Technical References Page No 10 1 Serial input data 2 ccesceecee ee ceee cee ceee cone sees seeeeeeeneees 10 1 10 2 Details of input SENTENCES cece cece ee eeeeeeeeeeeeeeeeeeeeees 10 1 10 3 Serial output data
86. ress the MENU key to display the main menu 2 Press the down arrow key to highlight DISPLAY 3 Press the right arrow key to show the DISPLAY sub menu list Pressing the down arrow key scrolls 3 pages of the sub menu as shown below 4 Press the up or down arrow key to select USER 1 for instance 5 Press the right arrow key to display USER 1 sub menu 6 Press the up or down arrow key to select the item H EN Enhance for example Menu gt Display gt User 1 User 2 H EN 1 page H MIX L MIX H L MIX LIEN H BTM L BTM Depth Val epth Value H B D L B D Depth Value Position Bottom Simulator H ZOOM L ZOOM Scale Position H B Z L B Z Scale Value CVS 841 Display Information Window OFF Zoom Type ZOOM Zoom Range 25 B User 2 B D Depth Value Large B Depth Value Position Botom S Scale Position Side B cvs 851 DV Figure 7 5 function registration to USER 1 2 7 4 93132682 00 CVS 841 851 Chapter 7 Functional Registration The items and their image arrangements available in the USER 1 menu are as follows User 1 H MIX L MIX H L MIX L EN H BTM L BTM H B D L B D H ZOOML ZOOM H B X L B Z MODE MODE ou ee wo DUAL FREQ si gos i s he Gel Scale ue Ya Lyon 7S worn an 2 USER 2 WH USER CVS 841 CVS 851 Acronym NORM Normal Display BZ Bottom Zoom Display LK Bottom Lock Display MIX Video Mixed Display Figure 7 6 Avail
87. result suggests the majority of the fish species is sensitive to the HIGH frequency transmission i e the detected fish school could be small fish like young sardine If the resultant echoes are shown in different colors from the HIGH frequency transmission it indicates the fish school is sensitive to LOW frequency therefore a larger size of fish species 6 8 0093132682 05 CVS 841 851 Chapter 6 Using menus C SELECTION mode This method is similar to A mode in principle however the process in determining display color is different If the High Frequency echo is predominant against those of Low Frequency the resultant color is displayed in colors shown in High Frequency image If the Low Frequency echoes are predominant against High Frequency in color presentation no echo will be shown This indicates there is few school of small fish Selection A B C A Comparison B Subtraction C Selection Initial setting C 6 5 2 6 Flicker rejection Rejects flicker on the screen while the screen is moving Selections OFF and ON Initial setting ON 6 5 2 7 Past image Enables gain control over past images shown on the screen This feature allows the user to go back and analyze ground that has already been covered in greater detail including density of fish school activity and even type of fish Selection OFF and ON Initial setting ON 6 6 Display 6 6 1 A Scope The A Scope feature allows you to observe the wave shape of
88. row key to display the gain control window 6 While this window is displayed the gain control is effective To increase the gain press the up arrow key To decrease the gain press the down arrow key The window will disappear 5 seconds after the last key operation has been done NOTE In the Shift mode the up and down arrow keys are solely used for the image shift operation To attempt adjusting gain control for High Frequency 2 image exit the shift mode first then carry out the operation MODE DUAL FREQ fee on Biel Adjusts the High 5 OE ees Frequency gain 10 Se eee Adjusts the Low 4 6 x 3 ge g DA Frequency gain 2 bs 1 9 1 0 10 7 12 93132682 00 CVS 841 851 Chapter 7 Functional Registration The current setting is being set to Shift mode Press the SHIFT key to turn this mode off The High Frequency 2 gain control can be made with up and down keys 1 aca 22 56 SHIFT eee alloc IMAGE SPEED 14 Ll H 2 p GAI ILs 4 Continuous pressing of the up arrow key increases the gain with the gain index number increased in the window The same operation applies to the down arrow key for decreasing the gain The gain index number varies from 0 0 to 10 0 with 0 1 increment 93132682 00 7 43 CVS 841 851 Chapter 8 Trouble Shooting Chapter 8 Trouble Shooting Contents Page No 8 1 Information required for service seseeeeeeeeeeeeeeeeeeees 8
89. rreerterrreeet 6 17 6 8 11 Boat Speed COrecom sscieie io ctoaindss elias hee cues 6 17 6 8 12 Speed Calas erieccetcto arc anccet Guns ay accuser pud us aseeeo tunes accceteagiee 6 17 6 8 13 Water Temp Cala Movi vsectocevrccntiemetteer ss ccausetctdine ence tuhetacensuanare 6 17 6 8 14 EXT Irigger ype nense a saute die ccccau ec eleatnds 6 18 6 8 15 Language meent areae ARRS EE AE AR E a aan SEA 6 18 6 9 GUSTO 2 Ciscoe cecec esc cecst os suc cca eesaneceanenesanasqeec tana dadi raa anina 6 18 6 9 1 GAIN property me ae a a iactedssaecoet a G 6 18 09 2 S LG prope aee e aa ee ara aE a aaa ea aa 6 18 6 9 3 Color customize sssssesssessseesseesreeererrttrrtrtterrterrterttertterrrerrteeet 6 19 6 9 4 Panel lOCKreircssiir a a A 6 19 6 9 5 Panel briliante ssesssessessssessessrerrrrrererrrrrrrrrrrrerrrrrerrrrrrreree 6 19 Contents 2 93132682 00 CVS 841 851 Chapter 6 Using menus Page No 6 10 MCA Z 6 ov eceassceccesec aces enc dauarada daadaa corer eaea NEn 6 19 6 10 1 User SOMING src crecctercnemaet meee cence E eaten aaeuste ae dene ls 6 19 6 10 2 Factory 2 2 8 CnemraRmmrnee eer eee ee Ae eer Heer nr ar et nr eRe re RT 6 19 6 11 Simulator eiiieaen cece ete aaeeeiai 6 20 93132682 00 Contents 3 CVS 841 851 Chapter 6 Using menus Chapter 6 Using the menu 6 1 The key switches used This chapter describes the operating procedures of menu driven functions which is activated by pressing 4 Way arrow keys th
90. rrow key to reduce the value by 6 This setting is considered to be an optimum level that covers most likely case in the bottom detection Adjust this value somewhat plus or minus according to the case if required d Too much reduced setting may cause a faulty bottom depth indication as a result of detecting schools of fish in a shallow depth as a bottom Too much setting on the other hand causes no bottom depth indication with the XXXX display shown in the digital depth window e The above setting can also be made without showing the A Scope When the XXXX display is shown simply reduce the threshold until the bottom depth value is stably shown Then further reduce the threshold value by 6 This sets an optimized detection threshold f Press the MENU key to fix the setting Repeat the same procedure from step 2 for other frequency LOW g Press the MENU key 3 times to return to normal sounder display 93132682 01 8 3 Chapter 8 CVS 841 851 Trouble Shooting 1 Setting too low Approx 80 A school of fish is mistakenly detected as a bottom 2002 02 13 Wed 14 22 56 Shift lolo 0 D Image Speed 1 1 2 Setting too high Approx 40 A bottom is not detected I I High 3 Bottom detection threshold is y i appropriately set Bottom detection y 4 Set the threshold curve to be threshold window tangential with the bottom echo High Freq Bottom depth indication The threshold curve obtained by
91. s Getting started Displaying the dual images Operating the VRM Selecting the image speed Activating the IR function Operating the SHIFT key Using the Color Rejection function Setting the Alarm Function Operating the EVENT key Chapter 6 Using Menu The key switches used Operating procedure of the menu driven functions Confirming the factory initial settings Menu list Descriptions of the menu functions Display Automatic functions System Customize Initialize Simulator Chapter 7 Functional Registration Depth range registration Display mode registration Setting the Enhanced effect Setting the 3 Division Screen H L and gain 93132682 00 CVS 841 851 Chapter 8 Trouble Shooting Information required for service Self check function Trouble shooting Setting the video threshold Chapter 9 Maintenance Periodic inspection and cleaning Chapter 10 Technical References Serial input data Details of input sentences Serial output data Data input output serial line Data input serial line Annex Sheets User setting list Factory default list 93132682 00 Preface CVS 841 851 Terminology Operation Manual Terminology Alarming range A user defined alarming range bar which is displayed in the right side of the display When a school of fish or the seabed touches or enters this zone an audio alarm will be activated A scope Current echo signal is shown in a line
92. s GAIN control HIGH or LOW Gain Control Law A sub menu function that selects the receiver gain control law The selectable law is Linear and Log 2 93132682 00 CVS 841 851 Terminology Operation Manual Image Speed The rate of the image feed which is related to the frequency of the transmission for instance 2 1 means the image shifts twice every transmission Inner Hull Installation A method of transducer installation transducer is installed inside the bottom of the hull using the optional inner hull kit MFB 04 IR Interference Rejection The name of the operating key switch that allows when switched in reducing interference caused by other ship s sounders Linear A gain control characteristic in which receiver gain changes in a linear law proportional to gain control which is best suited for shallow water fishing and detection of weak schools of fish Log A gain control law in which receiver gain changes in a log law steep rise at first then gentle rise best suited for deep sea fishing Navigation Data B N Navigational data supplied from a navigator unit is shown such as ship s own position speed bearing waypoints etc Peak Hold A video processing method comparing two consecutive sonar video signal in order to output the largest one as the real sonar video Pulse Width The width of the sonar pulse wider pulse allows better detection of fish school but lack of definition and v
93. sh school of fish and Discrimination bottom quality that may be at the sea bottom O y Normal Range Figure 6 11 Layout of BD image display ZOOM Zoom A zoomed image is shown in reference to a specified depth In this mode the seabed echoes Zoom start depth are always shown even when the depth changes Zoom range Figure 6 12 Layout of ZOOM image display 6 10 0093132682 05 CVS 841 851 Chapter 6 Using menus B Z Bottom Zoom Bottom image can be zoomed with reference to the seabed Equally spaced depth markers are shown in a solid line Depth markers Selections BTM BD ZOOM B Z Initial setting BTM Zoom range 6 6 4 Zoom range Figure 6 13 B Z image display Selects the zooming range of a zoomed mode BTM BD ZOOM and B Z Available zoom ranges differ according to the depth unit selected Selections For meter hiro fathom Italian fathom 2 5 5 7 5 10 15 20 25 30 35 40 45 50 55 60 70 80 90 100 110 120 130 140 150 160 180 200 Initial setting 2 5 For feet 10 15 20 30 40 50 60 80 100 120 140 160 180 200 220 240 260 280 320 360 400 450 500 550 600 650 Initial setting 5 6 6 5 User settings USER 1 User 2 User specific settings can be allocated to USER 1 and USER 2 functions The following image mode can be allocated to these functions Selections H MIX L MIX H L MIX H EN L EN H BTM L BTM H B D L B D H ZOOM L ZOOM H B Z L B
94. sition 1 Press the MENU key and select Display The Display sub menu will be shown en 2 Select User 3 and press the Right arrow key to select the User 3 sub menu CY 3 Select a desired display mode among the following options a H 1 H 2 L b H 2 H 1 L c L H 1 H 2 d L H 2 H 1 e H 1 L H 2 f H 2 L H 1 The following is an example of the 3 division screen a H 1 H 2 L 4 Press the MENU key or press the Left arrow key three times to exit the menu aD 93132682 00 5 9 Chapter 5 CVS 841 851 Basic Operation 5 3 Displaying the dual images 5 3 1 High Frequency and Low Frequency images 1 Select DUAL FREQ mode 2 Low Frequency image is shown on the left and High Frequency image on the right of the screen LENSA LOW Frequency image HIGH Frequency image MODE 2001 05 23 Wed 14 22 56 Fion Image Speed 1 1 DUAL L Z00M FREQ Z00M ay NORM 50 Dh USER CVS 851 MODE DUAL FREQ z ZOOM i pe y NORM NORM i USER 1 USER 3 Figure 5 11 Dual Frequency images USER 2 5 3 2 High Frequency NORM ZOOM images 1 Select High Frequency ZOOM mode 2 Zoomed High Frequency image is shown on the left and Normal High Frequency image on the right of the screen CVS 841 MODE 14 22 High BE iano 0 10 ImageSpeed 1 1 CVS 851 MODE DUAL FREQ r p al aos HIGH Frequency HIGH Frequency NORM NORM Zoomed image Normal image USER 1 USE
95. t 2 Remove the display unit from the bracket and place it on a flat and safe area 3 Place the mounting bracket to the place where the display unit is to be installed and fix the bracket with four 4 tapping screws It is recommended to keep sufficient space for maintenance services at the position of installation See Figures 4 2 and 4 4 4 lt Install the display unit on to the mounting bracket and fix the unit with two knob bolts removed at the above 1 Refer to the following figures for detail CVS 841 Display Unit Fixing screws M5 screw 6 pcs Mounting bracket Washer Knurled fixing bolt Po 6 mm stainless steel bolt Unit in mm inch Figure 4 1 Fitting detail of CVS 841 4 2 0093132682 08 CVS 841 851 Chapter 4 Installation Y 100 3 15 16 o i WY Unit in mm inch LT 00 100 3 15 16 1 3 15 16 Figure 4 2 Service space required for CVS 841 CVS 851 Display Unit Fixing screws M5 screw 5 pcs Mounting bracket Knurled fixing bolt va 6 mm stainless steel bolt Mounting surface 147 5 25 32 29 16 Unit in mm inch Figure 4 3 Fitting detail of CVS 851 0093132682 08 4 3 Chapter 4 CVS 841 851 Installation Y 100 190 3 15 16 a Unit in mm inch Figure 4 4 Service space required for CVS 851 4
96. t 3 4 93132682 01 CVS 841 851 Chapter 4 Installation Chapter 4 Installation Contents Page No 4 1 installation consideration sseeeeeeeeeeeeeeeeeeeeee 4 1 4 2 Unpacking each component of the system 0008 4 1 4 3 Inspection of each component unit and accessories 4 1 4 4 Siting the UNIS 2 c3scssccesessacte eect escheat cece ae eee 4 1 4 5 Cable routing and CONNECTIONS eeceseseeeeeeeeeeeeeeeeeeees 4 1 4 6 Display installation eee eee eee 4 2 4 6 1 Table mounting aiisio tierce Ge eo acces jeer en ok ee ta datows 4 2 4 6 2 Flush mounting eicccsessansceudetes ee chats is oid eceatienas oes routyeancr sents 4 4 4 7 __Inter connections of the system sseeeeee 4 6 4 7 1 Connection of DC Power cable CW 2538 cceeeeeeeeeees 4 7 4 7 2 Preparation of TD cable nccsccscecccnteeseceseen A S ccc eaedh 4 7 4 7 3 Connections of the transducers ccccceeeceeessseeseeeeeeeeeeeeeaes 4 8 Ao XV POU WAS riire o it tae A 4 8 4 7 3 2 Connecting the TD cable eee 4 9 4 8 Check up after installation 2 seseeeeeeeeeeeeeeeeeeeee 4 12 Appendix 1 Connector s pinOuts esseeseeeseeeeneeeneeeeeeees 4 13 Appendix 2 Transducer installation esssesseeseeeeseeeeeees 4 14 A2 1 Recommended transducer installation 4 14 A2 2 Trough hull installation
97. th one TD and is provided with a water temperature sensor There are four core wires of white black red and green The core wires for transmission and receiving are white and black core wires and green and red are for the water temperature sensor The white core shall be connected to the white core of TD cable CW 836 3M and the black core to the black core of the TD cable CW 836 3M respectively The red and green core wires of the TD cable will not be used and shall be insulated 4 8 0093132682 08 CVS 841 851 Chapter 4 Installation 4 7 3 2 Connecting the TD cable 1 In the case that CVS 841 851 are the specification of standard 2 frequencies Example 1 Single Frequency TD except TD 2001D The display unit and the transducer cables are connected on 1 1 basis as follows Solder the cables and apply winds of PVC tape to make sure of good isolation between the cables To J7 Display rear panel Red Single Frequency Green TD High Freq CW 836 3M Single Frequency TD Low Freq Shield Shield Example 2 Single Frequency TD TD 2001D The display unit and the transducer cables are connected as follows Red L A Single Frequency TD High Freq TD 2001D Single Frequency TD Low Freq To J7 Display rear panel CW 836 3M Shield Shield 0093132682 08 4 9 Chapter 4 CVS 841 851 Installation Example 3 Connections of Dual Frequency TD TD 501C TD 501T 3 The TD 5
98. the speed data window NOTE The data format must be NMEA 0183 ver1 5 or 2 0 Selections INT EXT Initial setting EXT 6 8 13 Water Temp data Displays the temperature data supplied from a water temperature sensor or a navigation receiver that supplies NMEA 0183 data Select INT or EXT in the Water Temp Data sub menu for available sensor or NMEA data INT Selects KODEN water temperature sensor ST 80 1 90 1 100 1 In case no water temperature data is supplied 0 0 will be displayed in the water temperature digital window EXT Selects NMEA 0183 ver 1 5 or 2 0 serial data supplied from a navigation receiver In case no 0093132682 05 6 17 Chapter 6 CVS 841 851 Using the menu temperature data is supplied xxx x will be shown in the water temperature digital window Selection INT EXT Initial setting EXT 6 8 14 EXT Trigger type Selects the external trigger pulse polarity Selections OFF _ Triggered on the leading edge 7L Triggered on the trailing edge Selections OFF No external sounder to be connected l Selects a positive sync trigger supplied from an external sounder TL Selects a negative sync trigger supplied from an external sounder Initial setting OFF 6 8 15 Language Selects the screen language Selections Japanese English Initial setting English 6 9 Customize The following sub menus are available 6 9 1 GAIN property Selects the receiver gain characteristic according to your fishing
99. ts list No Item name Type name Remarks Weight Length Q ty 1 Fuse F 7161 10A For Display Unit 1 N30C 125V 2 3 Optional items list No ltem name Type name Remarks Weight Length 1 Temperature Transom speed sensor AN Plastic with cable fitted oong Inner hull oie Plastic with cable fitted peo Through hull A Bronze with cable fitted 12kg 2 TD Switch J7 101 Single frequency 1 6kg J8 201 Dual frequency 2 2kg 3 Inner hull kit MFB 04W Plastic applicable for 1KW only 1 5kg 4 Kingston kit MFB 05W Applicable for 1KW only 0 83kg 5 Junction Box for g For dual frequency TD connections JBE ang 6 Junction Box JB 10 1 input 3 outputs x 2 circuits 0 4kg for Navigator 1 input 3 outputs 3 inputs unit connection JB 12 1 output 0 42kg 7 AC DC PS 006 With 2 pcs of 10A fuse attached 8 0kg Rectifier 8 Extension VV 2D8 3M Both ends fly leads For power 3m cable supply VSV 2T11 3M Both ends fly leads For TD 9 Earthing lead OW7 1 6S 3M 3m 10 Connecting 5P connector cable Oar M 5P waterproof connector LTW am For external ont Fly leads 5P waterproof connector sounder CE LTW am 11 Connecting Pore 6P waterproof connector both cable ee ends LTW am For navigator unit CW 374 5M 6P connector 6P waterproof Emh connector LTW 0093132682 06 2 1 Chapter 2 CVS 841 851 Equipment Composition
100. ture Ship s speed Alarm Mark Depth Ship s bearing Depth display A Scope image NOTE The Time display Temperature graph year month day a day of the week is not available in CVS 841 Depth Scale Scale display Figure 5 3 An example of image display shown on the screen 5 2 Getting started 5 2 1 Turning on 1 Turn the BRIGHTNESS control to the right until it clicks 2 Turn the control gradually to the right until the image brightness becomes an appropriate level 3 In a few seconds the following initial display appears showing the sounder type name status of the transducer connections depth unit battery status and the result of the system check 4 To switch off the unit turn the control to the left until it clicks Sounder Type name S oftware type BERGE NEES CVS 841 KMC 82 STX CVS 851 KMC 83 gt lt gt Depth unit POWER OFF Depth Unit m Battery status Battery OK System Check OK Result of the system check Figure 5 4 Starting up control and display 93132682 00 5 3 Chapter 5 CVS 841 851 Basic Operation 5 2 2 Selecting NORMAL image mode 1 Turn the MODE switch to NORMAL High or Low 2 The selected image display mode will be shown in the center of the screen and it disappears automatically in approximately 5 seconds The display mode will be shown in the upper left corner of the screen i e H for High Frequency and L for Low Frequency CVS 841 Selected Frequency
101. type type of fish etc Available characteristics are Linear type and 8800 type Logarithmic law Linear type The receiver gain varies in a linear law in proportion to the Gain control best suited to shallow water fishing or detecting weak echoing school of fish 8800 type The receiver gain varies in a logarithmic law rapid in change at the beginning and slow afterwards This property is useful in deep sea fishing to locate school of fish and the species Selections Linear 8800 Initial setting 8800 type 6 9 2 STC property STC is an abbreviation of Sensitivity Time Control which is used to reduce weak echoes such as plankton floating marine plants etc near the sea surface in order to view a school of fish in good clarity The rate of sensitivity reduction can be selected from Linear or 8800 Log type Selections Linear 8800 type Initial setting Standard 6 18 0093132682 05 CVS 841 851 Chapter 6 Using menus 6 9 3 Color customize All colors used on the screen can be customized to your preference There are 256 color palettes available in total Each palette has Red Green and Blue sub palettes with 256 color tones available 6 9 4 Panel lock Disables the functions of controls and keys to avoid deviation of these settings by unintentionally touching them during operation This functions is applicable to all controls and keys on the operation panel Initial setting All OFF AN CAUTION The MENU key and the
102. ude of the EVENT position a CRER 35 36 115N Bearing and distance to the as EVENT mark from own ship 135 0 00h38m ae ol III Time elapsed from when the EVENT is marked 35 37 075N 139 44 742E 25 2 C 21 5Kt 315 0 oa oO to O oO Figure 5 34 The Event display 93132682 00 5 25 CVS 841 851 Chapter 6 Using menus Chapter 6 Using menus Contents Page No 6 1 The key switches USCd sseseeeseesseeeseeeneeeseeeeeenee nes 6 1 6 2 Operating procedure of the menu driven functions 6 1 6 3 Confirming the factory initial settings esseeeeee 6 3 ee ATEI cy ee eee ene UE PEA nas Snopeee SNR anne tes MOONEE ER MNES ore nee SNae A mmnareaR T 6 4 6 5 Descriptions of the menu functions eeeeeeeeees 6 5 6 5 1 Transmission apon a EEE 6 5 6 5 1 1 Pulse Width HY L reinn nnen tied lle tad aise 6 5 635 12 OUIDUT EE EE EEE ETT 6 6 6 5 1 3 PRR Pulse Repetition Rate ccccccecccecseeeseeeeeeeeeeees 6 6 6 5 2 Mage na Roane Rt et ran PE TO Re eS ee 6 7 65 2WWEMNANCO mccccpt al space Alc E soca A ea teeta 6 7 60222 GOlOGIONG ee a a ae a E e 6 7 6 5 2 3 Background Color s ssssesssesserssrrsrrrrrrrrrrrrrrrrrrrrrrrrrrrrrererns 6 7 6 5 24 White CINE eaii ee ea a E LEN 6 7 6 5 2 5 MIX TYPE nea a A te tae tal 6 8 6 5 2 6 Flicker rejectiOni riera a e aa A EEEa 6 9 6 5 2 7 ASU IMAC ras a a e a 6 9 6 6 DI
103. with fish echoes shown within the depth specified by the user Nor Sin WA oi mage Speed 1 1 Zoom range bar Orange The seabed echo Specified depth BTM image Normal image Figure 7 10 BTM NORM display screen layout 7 2 3 2 BD NORM display This mode of image is a combination of normal and BD Bottom Discrimination images In the BD image the seabed image is shown flat with its upper and lower parts shown at a specified depth The fish echoes are shown within the range set up by the user Seabed Zoom range bar Orange Zoomed range BD image Normal image Figure 7 11 BD NORM image 7 2 3 3 ZOOM NORM image This mode of image is a combination of normal and ZOOM Referenced zoom images The ZOOM image shows a zoomed image of a certain depth range specified by the user referenced to the depth set by the green VRM Starting depth set by the VRM Green Zoom range bar p Orange Zoomed depth range Figure 7 12 ZOOM NORM image ZOOM image Normal image 93132682 00 7 9 Chapter 7 CVS 841 851 Functional Registration 7 2 3 4 B Z image This mode of image is a single partial zoomed sonar image referenced to the seabed Equally spaced depth markers are also displayed which are referenced to the surface of the seabed BOTTOM ZOOM image I Of Image Speed 1 1 The sonar echoes are shown Zoomed depth range referenced to the seabed Figure 7 13 B Z image 7 3 Setting the Enhance effect 1
104. y Zoom Type Bottom D Zoom Range 50 D Zoom Range 5 0 B gt User 2 B D User 1 H FREQ MIX User 2 BD Bb User3 H 1 H 2 L User 3 H 1 VH 2 L IS User 2 B D Depth Value Large E Scale Position Side B SaaS CVS 841 CVS 851 CVS 841 CVS 851 Simulator Depth Value Large 6 Depth Value Position Bottom D gt Scale Single 5 Scale Position Side DB The screen layout of available zoom mode displays are as follows Figure 7 8 Registering a ZOOM type 93132682 00 7 7 Chapter 7 CVS 841 851 Functional Registration For High Frequency settings Mode switch setting Available Image Layout MODE MODE BTM H NORM H DUAL DUAL FREQ fagas LON y 200M 1 7 zoon HOM lajas NORM n NORM t 3 USER 1 USER 3 2 USER 2 BD H NORM H USER CVS 841 CVS 851 ZOOM H NORM H B Z H For Low Frequency settings Mode switch setting Available Image Layout MODE MODE BTM L NORM L DUAL FREQ ZOOM ZOOM Z bg eal pe n cde t 3 USER 1 USER 3 2 Ss USER 2 USER CVS 841 CVS 851 DUAL OOM FREQ 200M BD L NORM L ZOOM L NORM L B Z L Figure 7 9 Available ZOOM mode screen layout 7 8 93132682 00 CVS 841 851 Chapter 7 Functional Registration 7 2 3 1 BTM NORM display This mode of image is a combination of normal and BTM Bottom Zoom images In the BTM image the seabed echo is shown flat and fixed to the bottom of the screen
105. y to fix the selection The menu display disappears and the system is now set to the selected Factory Default 4 To change the setting repeat the above procedures from step 1 6 11 Simulator Displays simulated sonar echoes for training and exhibition purposes of CVS 841 851 series sounder To display the simulated echoes select ON and exit the menu To turn off the Simulator select OFF and exit the menu Selections OFF ON Initial setting OFF A CAUTION The following functions are not available in Simulator mode Power On Off STC Draft 6 20 0093132682 05 CVS 841 851 Chapter 7 Functional Registrations Chapter 7 Functional Registration Contents Page No 7 1 Depth range registration eseeeeseeeeeeeeeeeeeeeeeeees 7 1 7 2 Display mode registration see eee 7 4 7 2 1 Registering functions to USER 1 and 2 eee 7 4 7 2 2 Registering functions to USER 32 csceeeeeeeeeeeeeeereeeeeeees 7 6 7 2 3 Registering a ZOOM type cceeeeeeeeeeeeeeeeeee eee teeeeaeeeaeeeaes 7 7 7 2 3 1 BTM NORM display gt cnn iecstusducstads tans MMnecce tel oie td cule iianeNt 7 9 7 2 3 2 BD NORM display eieeecsenccnccsers a rscageteat tee tte reese ne essa 7 9 7 2 3 3 ZOOM NORM IMAG G rscscccetnsctnce taped cc ieendtethaateenanedy ene 7 9 Pe SE B Z image carat Not reas aan acto aa 7 10 7 3 Setting the Enhance effect ccccceseceeeeeeeeeeeeeeeeeeeeeeeeees 7 10 7 4 Setting the

6. CVS-841C/841P - SI-TEX Marine Electronics

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