JRC JFC-7050 Operation Manual Download Page 44 | Manualshive

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Installation

Through-hull Transducer Maintenance

If your boat is kept in the water, performance of your  JFC-7050  Sonar will be adversely affected by
accumulations of sea growth on the face of the transducer.    To prevent sea growth effects, the face of
the transducer may be coated with antifouling paint specially formulated for transducers. Do not use
regular  antifouling  paint  on  the  face  of  the  transducer.  The  bronze  housing  may  be  coated  with  any
antifouling  paint.  If  fairing  blocks  are  used,  especially  if  made  of  wood,  complete  sealing  prior  to
painting is important.

Marine Sealant

Stem

Fixing

Outer Fairing Block

Hull

Inner Fairing Block

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Summary of Contents for JFC-7050

Page 1: ...Echo Sounder Fish Finder JFC 7050 High resolution high accuracy Dual frequency 50 200KHz Fully automatic gain range etc Alarm A scope Fast and easy operation ...

Page 2: ...ypad 9 How to use Power Brightness 10 Display Unit 11 SPEC of the connectors 12 Display Screen 13 FF Highway 14 FF Steering 15 Operation Mode 16 Gain 17 Select Page 18 Customize of screen 19 Customize of data bar 20 Navigation data edit 21 Menu 22 1 Range 2 Shift 3 Display 4 Rejection ...

Page 3: ...thers VRM 33 Installation Display Unit Location 34 Power Connection 35 Sensor Connection 35 Transducer Installation 36 Transom Mounting 37 Transom Transducer Maintenance 37 Through hull Transducers 38 Dead rise 39 Through hull Transducer Maintenance 40 ...

Page 4: ... or personal injury Turn power off During abnormality If smoke or a small of burning occurs a fire or an electrical short circuit may result Turn the power switch OFF and shut down the power supply immediately Never try to repair the system yourself Call for service Do not open Cabinet High voltage exists in the instrument Contact with voltage may cause possible injury or death Do not touch back s...

Page 5: ... other heat source as it may malfunction be damaged or burn Use correct power source Operate your system within the specified power voltage An incorrect power supply may cause Maintenance Cautions For Maintenance Personnel Use the following safety precaution internal inspection Discharge capacitors High voltage may be retained in the capacitors if the high tension circuit several minutes after you...

Page 6: ...maged due to a matching error Consult is for system information Check transducer Connection before power on Do not turn the power switch ON if the transducer is disconnected or if it is not inserted into the water If done the transducer or transmitter circuit may be damaged Always clean the transducer Since transducer performance can drop due to accumulated bottom growth keep the transducer clean ...

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Page 8: ... position information This device is only an aid to navigation It should be used in conjunction with all other navigation accuracy For safety always resolve any uncertainty before continuing navigation CAUTION The performance of LCD displays are degraded by continuous direct exposure to ultraviolet rays Locate your JFC 7050 Display away from direct sunlight When not in use Keep the display covered...

Page 9: ... 6 ...

Page 10: ...l keyboard and its wide screen with wide viewing area make placement easy Although JFC 7050 offers many advanced features operation is simplified through the use of popup menus similar to those found on personal computers Standard Equipment Configuration List Display unit Manual Power cable Protector Mounting Bracket Knobs ...

Page 11: ...CER 31 556 8 02 5AWBF00004 Type B45 Thru Hull 8pin A Female Depth Temp TVR 50 155 RVR 50 174 TVR 200 164 RVR 200 184 Type P58 Transom Mount 8pin A Female Depth Temp Speed TVR 50 153 RVR 50 164 TVR 200 173 RVR 200 182 Type P319 Thru Hull 8pin A Female Depth Temp TVR 50 154 RVR 50 179 TVR 200 164 RVR 200 184 Type B60 20 degrees Thru Hull 8pin A Female Depth Temp TVR 50 155 RVR 50 174 TVR 200 164 RVR...

Page 12: ...nt of gain level with turning Setting up the depth range when depth range sets manual range MENU Calls up Menu MODE Setting up Echo sounder mode CANCEL Return to the previous display or canceled the set up FUNC Setting up Using Frequently key function EVENT Choose the Active Waypoint setup Nav or capture functions for using one function VRM Press the VRM key and show the bar for the depth range PW...

Page 13: ...row keys of the cursor to control the brightness and the contrast 3 Use day night mode Press BRT PWR shortly and change mode Use the arrow keys of the cursor to change mode Choosing the frequency on the dual Press You can see the red color is moving with the up and the down In the active frequency in the red it s on operation Choose the Gain STC Press You can see the red color is moving with the r...

Page 14: ... 11 Echo sounder System Display Unit Front Rear 7 inch Color LCD Keypad Knob Mounting Bracket Connector ...

Page 15: ... 12 Echo sounder System SPEC of the connectors ...

Page 16: ... 13 Display Screen High Frequency Depth bar Low Frequency Data bar Red color It is selected to setup Frequency ...

Page 17: ...wn ship s progress toward destination waypoint Destination waypoint name Destination waypoint Bearing from own ship to destination waypoint Course Over Ground Range from own ship to destination waypoint Speed Over Ground XTE Alarm Radius XTE of Vessel XTE Alarm Radius ...

Page 18: ...on such as ship s speed course range bearing TTG Destination waypoint name Bearing from own ship to destination Speed Over Ground Range from own ship to destination Time To Go to destination Bearing from own ship to destination waypoint Course Over Ground Cross Track Error ...

Page 19: ...es near the bottom Use the Sounder Menu to set the magnified Bottom Range from 2 5 to 20m 10 to 60ft Default setting is 10m 40ft If the depth Range is set manually the setting must place the sea bottom echo in the lower portion of the screen for Bottom Zoom to be effective 3 Bottom Lock 200KHz or 50KHz Bottom Lock divides the Echo sounder main screen image for the selected Echo sounder into two se...

Page 20: ...ys on the left and the low frequency 50KHz Bottom Zoom displays on the right which increase the accuracy of a fish school and your decision to catch fishes Gain Setting up the gain 1 Auto Manual Gain Press GAIN STC Press the button changes Auto Gain Manual Gain Setting is available individually 2 Set Gain Tune GAIN Turn to the left the gain level will be decreasing Turn to the right the gain level...

Page 21: ... 18 Operation Select Page Select Page menu and then go to Pages screen Selectable Pages by red box and then press ENTER key red box ...

Page 22: ... FUNC key for 3 seconds on the Pages which selected red box Refer Fig 1 1 1 as below Select the layout of the formation of screen Refer Fig 1 1 2 as below Select displays Refer Fig 1 1 3 1 1 4 as below Fig 1 1 1 Fig 1 1 2 Fig 1 1 3 Fig 1 1 4 ...

Page 23: ...p Customizing Databar Edit Select the section to edit by red box Refer Fig 1 2 1 as below Press ENTER key and select the data as a user want Refer Fig 1 2 2 as below Finish the formation of data bar press CANCEL key to complete Fig 1 2 1 Fig 1 2 2 ...

Page 24: ...ct the section to edit Refer Fig 1 3 1 as below Press ENTER key and select the data as a user want Refer Fig 1 3 2 as below Finish the formation of data bar press CANCEL key to complete If no navigation data on present activated display it is not available to edit Fig 1 3 1 Fig 1 3 2 ...

Page 25: ...ft at 20m range the surface shall start 5m and the bottom range shall be 25m The default setting is 0m 3 Display 3 1 A Scope A scope shows the research under the water by a scope to see the environment under the water The default setting is Off 3 2 Image Speed Select the speed of Sounder image from 4X until stop The default setting is 1X 3 3 White Line It is necessary to research a detailed fish o...

Page 26: ...Select the temperature font size on the screen The default setting is Large 3 7 Speed 3 7 1 Display On Off the speed on the screen The default setting is Off 3 7 2 Font Size Select the speed font size on the screen The default setting is Small 4 Rejection 4 1 Interference Rejection from engine When there are another boats around you on sailing your sounder could be disturbed to work The step of th...

Page 27: ...r Select the back ground color of the Echo sounder for your convenience 6 Pulse Select the pulse of the output from the transducer Levels are among Low Medium and High which depends upon the depth Low is proper to research precise a fish school but it is not suitable to measure a deep depth High is opposite from Low The default setting is Medium 7 Output Power Select the output from the installed ...

Page 28: ...ff 8 2 2 High Range It alarms when the set high temperature is out of the range The default setting is 0 8 2 3 Low Alarm It alarms when the set low temperature is out of the range The default setting is Off 8 2 4 Low Range It alarms when the set low temperature is out of the range The default setting is 0 8 3 Fish School 8 3 1 Alarm It alarms when it detects school of fish It will detect school of...

Page 29: ...mportant information for maintenance and upgrade 9 2 Unit 9 2 1 DIST Speed Select desired unit of measure for distance and speed Choose from nautical mile knots nm kt kilometer kilometers per hour km kmh yard knot yd kt cf 1nm 1 852km 1kt h 1 852km h less than 1nm display in yard and over 1nm display in mile The default setting is Nm Kt 9 2 2 Depth Select desired unit of measure for depth of water...

Page 30: ...Month Format Setup the character of month Ex 1 2 3 or JAN FEB MAR The default setting is Character 9 4 Input Output 9 4 1 Output Sentence The JFC 7050 allows customizing the NMEA 0183 sentence NMEA Description Default GPDBT Depth below transducer On GPDPT Depth On GPMTW Water temperature Off GPTLL Target latitude and longitude On GPVHW Water speed and heading Off GPGGA Global positioning system fi...

Page 31: ... Use the external input value for NMEA The default setting is NEMA 9 6 Correction 9 6 1 Boat Speed The tolerance of boat speed value can be corrected When the Speed source is set to the Sensor It is corrected by setting 50 50 When the Speed source is set to the NMEA it is corrected by numeral setting 10 0 10 0 The default setting is 0 9 2 5 Water Temp The error of water temp value can be corrected...

Page 32: ...ata 9 10 2 1 Type It is a select the navigation data type The default setting is Type1 9 10 2 2 Edit It customizes the Navigation data section except activated the echo sounder section 9 10 3 Page mode It is a select the page mode Standard Choosing Page and customizing is available Flip Showing the chosen pages in order The default setting is Standard 9 10 Language Select the language 9 11 Initial...

Page 33: ...cording 10 Reset 10 1 2 EVENT key Change the key of the Waypoint input Setup Nav or capture The default setting is Active Active Select the activated section WPT Input the mark on the current position GOTO Start navigating toward the mark Capture Store the current screen 10 2 WPT Setting up the WPT List Edit and Alarm 10 2 1 List Shown the WPT list and it is available to set up or edit the WPT on ...

Page 34: ...igation 10 2 4 Save WPT You can save the WPT in SD card 10 2 5 Load WPT You can load the WPT from SD card 10 3 Recording This is the function of recording current screen Marked REC in red color on the upper right on the data bar during recording Note The recording file is stored in external memory cards SD memory Check SD memory in the JFC 7050 Recording time is different by the size of the memory...

Page 35: ... 32 Operation 10 6 Capture List Available to display and delete the capture file 10 7 Active Select the activated section 10 8 Page Select the configuration modification you wish ...

Page 36: ... by the green line can be moved up and down It is convenient to measure the depth by aligning with the target such as school of fish Caution When several seconds pass after finishing the VRM operation the numerical of marker depth becomes normal display VRM ...

Page 37: ... 34 ...

Page 38: ...direct sunlight on the viewing window Also consider access to the rear panel of the unit for connecting power and cables to the various remote sensors The mounting surface must be flat and solid to support the unit and prevent vibration There should be access to the inside of the surface to permit through bolt fastening for the mounting bracket Display Unit Installation Temporarily install the mou...

Page 39: ...g the rest of the installation process Power Connection Power is supplied to the Echo sounder Unit through a connector on the rear panel of the display unit Route the power cable from the Echo sounder Unit location to the ship s power distribution panel Connect the black wire to a battery negative terminal of the power panel Connect the white wire to a fused battery positive terminal of the power ...

Page 40: ...nsors and for different beam angels and sonar frequencies Several different transducers may be used with the JFC 7050 Refer to the optional Equipment list for the variations available CAUTION Mounting a sonar transducer for your JFC 7050 Sonar requires drilling holes into the hull of your boat which could affect its water integrity Therefore installation should be attempted only by qualified indiv...

Page 41: ...should be about 1 8 inch below the leading edge The adjustable stainless steel bracket is designed to allow fine tuning of the transducer position once the installation is completed Route the transducer cable as far as possible away from the boat s power cables engine controls and other electrical cables Do not route transducer cables near your VHF radio power or antenna cables Assemble the transd...

Page 42: ... with disturbed water flow under the transom JRC offers several models of bronze through hull transducers To enjoy the full capability of your Sonar select a dual frequency model with temperature sensor Sturdy bronze construction assures a secure installation and provides a strong base for fairing blocks if needed to compensate for hull shape The transducer should be installed in a location free o...

Page 43: ...es drilled in the hull should be completely filled with waterproof marine sealant Tighten the stem nuts securely but do not over tighten In this situation install fairing blocks both inside and outside the hull Install the transducer with the face aiming straight down To prevent leakage any gaps between the stem threads and holes drilled in the hull should be completely filled with waterproof mari...

Page 44: ... sea growth effects the face of the transducer may be coated with antifouling paint specially formulated for transducers Do not use regular antifouling paint on the face of the transducer The bronze housing may be coated with any antifouling paint If fairing blocks are used especially if made of wood complete sealing prior to painting is important Marine Sealant Stem Fixing Outer Fairing Block Hul...

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Page 46: ... 43 Power Cable DWG NO DESCRIPTION f7050 PO10301 DATE 2012 05 07 1 2 SCALE MATERIAL MODEL JFC 7050 1 8 6 7 5 3 4 2 Power Calbe WIRE COLOR PIN FUNCTION 12 36 2 1 3 4 7 6 5 8 1 8 7 3 4 5 2 6 ...

Page 47: ... 44 J7050 PL00DP_die JFC 7050 DESCRIPTION DWG NO NS SCALE MODEL MATERIAL DATE 2012 10 19 PLAN DIMENSIONS 6 2 5 4 3 7 8 1 1 8 7 3 4 5 2 6 ...

Page 48: ...ases the product within one 1 year 2 LCD and Accessories One 1 year for consumed accessories including LCD after a user purchases them Service in Charge 1 Over the term from the guarantee 2 Damage from user s carelessness inundation impact 3 Intentional dismantle modification or remodeling of the unit 4 Unauthorized parts components or accessories are used in the unit 5 Installed or maintained by ...

Page 49: ...18 7 Osaki 1 chome Shinagawa kuTokyo 141 0032 Japan Email marine international jrc co jp Fax 81 3 3779 1420 CODE No 72ZPNA2231 ...

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