background image

−20 −

−21 −

Please refer to "HOW TO OPERATE MENU" (page 

5

 ) for menu operation.

22. TO SET CORRECTION OF WATER TEMP.

When water temp. readout always differs from actual water temp. at constant value, it corrects 
error of water temp.

  Set TEMP CORRECT on menu 

3

.

Correction of Water Temp.

23. TO SELECT SIZE OF DEPTH READOUT

It selects size of depth meter.

  Set DEPTH DIGIT on menu 

3

.

(Small, Medium, Large, OFF: Not displayed)

Depth Readout

24. TO SET SCALE LINE

Horizontal lines are shown at the position of depth scale on the screen.

  Set SCALE LINE on menu 

3

.

ON :

  Used

OFF:

  Not used

Scale Line

25. TO SET SIMULATION

Simulation function is incorporated in this unit.
You can practice the operation, etc. without connecting transducer.

  Set SIMULATION on menu 

3

.

ON :

  Used

OFF:

  Not used

 In case of simulation mode, DEMO is shown on the 

left edge of screen.

 The bottom is shown near 

60

 meters on simulation 

mode.

 Select OFF to return the normal display.

Simulation

Summary of Contents for HE-7300

Page 1: ...OPERATION MANUAL HE 7300 COLOR LCD ECHO SOUNDER ...

Page 2: ...partially due to change of specifications and so on If you have questions errors or omission on this manual may we trouble you to inform us INTRODUCTION We thank you very much for your purchasing our product HE 7300 Please be sure to read this operation manual carefully and understand what it describes before you operate this unit in order to keep your safety After you read this manual please keep...

Page 3: ... 2 MAIN UNIT BOTTOM CONNECTIONS 4 HOW TO OPERATE MENU 5 BASIC OPERATION POWER ON OFF 6 TO CHANGE DISPLAY STYLE PORTRAIT LANDSCAPE 6 TO CONTROL BRIGHTNESS OF SCREEN 6 HOW TO SEE THE DISPLAY 7 OPERATION ON FRONT PANEL 8 1 TO SET THE DEPTH DISPLAY RANGE 8 2 TO SET SHIFT DISPLAY RANGE SHIFT 9 3 TO ADJUST SENSITIVITY 10 4 TO SET A MODE 12 5 TO SHOW SET THE EXPANSION MODE 12 6 TO MOVE EXPANDED AREA 13 7...

Page 4: ...FIGURATION 17 13 TO SET WATER TEMP GRAPH 18 14 TO SET FISH ALARM 18 15 TO SET WATER TEMP ALARM 18 16 TO SET DEPTH ALARM 19 17 TO CHANGE UNIT OF DEPTH READOUT 19 18 TO CHANGE UNIT OF WATER TEMP READOUT 19 19 TO SET PULSE LENGTH 20 20 TO SET SUPER RANGE 20 21 TO SHOW DUAL FREQUENCY DISPLAY 20 22 TO SET CORRECTION OF WATER TEMP 21 23 TO SELECT SIZE OF DEPTH READOUT 21 24 TO SET SCALE LINE 21 25 TO SE...

Page 5: ...TALLING MAIN UNIT 25 INSTALLATION OF TRANSDUCER 26 Installation of transducer Thru hull 26 INSTALLATION OF WATER TEMP SENSOR 27 STANDARD COMPOSITION 28 OPTIONS 28 GENERAL IMFORATION OF FISH FINDER 29 1 THEORY OF ECHO FISH FINDER 29 2 HOW TO DISTINGUISH THE FISH SCHOOL 30 3 HOW TO DISTINGUISH THE FISH VOLUME 30 4 HOW TO DISTINGUISH THE NATURE OF BOTTOM 30 TROUBLE SHOOTING 31 SPECIFICATIONS 33 ...

Page 6: ...will occur Please be sure to consult with dealer when you want to repair Do not install it in simple method It causes to the accident like human damage Please be sure to install correctly according to descriptions on Installation of the unit of this manual Do not use the information displayed on the screen of unit for navigation directly It causes to the marine disaster Please be sure to use the o...

Page 7: ...t 3 HANDLING OF TRANSDUCER AND WATER TEMPERATURE SENSOR Work on the board is too unstable and risky Installation and maintenance of transducer and water temperature sensor should be done after you land and fix the boat Unless you keep it human damage resulting in death or serious wound will occur Please ask to shop for installation Installation of the transducer or water temperature sensor inside ...

Page 8: ...ited to use the organic solution Do not clean the unit with organic solution like thinner alcohol or etc as some parts of the unit and panel are coated or made by plastic In case it is too dirty soak the soft cloth in a synthetic detergent and clean with it after wringing well 5 Be careful for water spray Water spray on the unit causes to faulty install at the place where there is no water spray F...

Page 9: ... is selected MODE A page 12 A mode ON OFF MODE B page 12 Switch Normal mode Bottom Lock mode Auto Expansion or Manual Expansion MENU page 5 Show Menu mode Direction Up Down Left Right page 5 When menu mode is shown it is used for selecting items or changing the setting When the menu is not shown Up Down key moves cursor toward sea surface or sea bottom SET page 5 It is used when you execute select...

Page 10: ...ottom Blue selected item moves downward pressing Down key When Down key is pressed while selected item is located on the bottom item blue selected item moves to top Blue selected item becomes changeable item 3 DIRECTION Left Right key Set value of item selected in blue is changed by Left Right key After set value is changed new set value is effective When you press Right key on selected item of wa...

Page 11: ...y style To change display style Portrait Landscape Adjust the brightness of screen Turning the brightness knob clockwisely the display becomes bright Turning the brightness knob counterclock wisely the display becomes dark Brightness knob bright dark Control of brightness TO CONTROL BRIGHTNESS OF SCREEN POWER ON OFF 1 By pressing ON key alarm comes on and power turns ON When power is ON power lamp...

Page 12: ...ngle frequency No indication In case main unit is dual frequencies L Low Frequency H High Frequency However in case of dual frequency parallel display position of readout moves Refer to page 11 As for water temp readout When optional water temp sensor is connected it is shown ...

Page 13: ...0 80 100 125 150 180 200 250 300 400 500 600 800 1000 1500 50 200kHz 200kHz 40 75kHz 50 55kHz 85 90kHz 32 40kHz 2000m 28kHz 1 To decrease the depth display range Each time when you press RANGE key the depth decreases 2 To increase the depth display range Each time when you press RANGE key the depth increases OPERATION ON FRONT PANEL 1 TO SET THE DEPTH DISPLAY RANGE Depth Display Range ...

Page 14: ...10m downward at 0 8m depth range initial display depth becomes to 10m and display range becomes to 10 18m 8m 8m 10m shift 0 8 10 18 1 To shift to shallow depth Each time when you press SHIFT key the display range becomes shallow 2 To shift to deep depth Each time when you press SHIFT key the display range becomes deep Shift Shift of display range ...

Page 15: ...It s first reflection reflected from the surface of water goes toward the bottom again The next reflection from bottom is called the second reflection Normally it s second reflection is shown on the twice depth of the actual bottom first reflection 1 To decrease sensitivity Each time when you press GAIN1 key gain bar becomes short and the sensitivity decreases 2 To increase sensitivity Each time w...

Page 16: ... and the sensitivity decreases To increase sensitivity Each time when you press GAIN2 key gain bar becomes long and the sensitivity increases 2 Adjust sensitivity on right side of screen by GAIN1 key To decrease sensitivity Each time when you press GAIN1 key gain bar becomes short and the sensitivity decreases To increase sensitivity Each time when you press GAIN1 key gain bar becomes long and the...

Page 17: ...In case of dual frequency frequency s expanded display shown on right side of screen is displayed on the left side of screen Each time when MODE B key is pressed next mode is selected NORMAL DISPLAY Expansion display is cancelled and normal display is shown BOTTOM LOCK Bottom contour is indicated as a straight line and expansion view of certain area from it s contour is shown AUTO EXPANSION Expand...

Page 18: ...Move expanded area range indicated by green expansion mark up or down by ZOOM key Each time when you press ZOOM key it approaches to sea surface Each time when you press ZOOM key it approaches to sea bottom To cancel Expansion display press MODE B key To move expanded area 7 TO SHOW THE MARKER When Down key is pressed while menu is not shown horizon line marker is indicated on the screen and it s ...

Page 19: ...g Speed 2 TO SET CLUTTER Fish school or bottom is displayed while the strength of reflected echo is corresponded with pre set color configuration As this can delete colors in turn from color of weakest echo it will be enable to distinguish this school easily by deleting the weak echoes like plankton stain in the water or etc Set CLUTTER on menu 1 13 ranks OFF 12 Clutter Please refer to HOW TO OPER...

Page 20: ... Expansion rate for expanded area is set to 2 times 4 times 8 times Set EXP RATE on menu 1 x2 x4 x8 Expansion Rate 6 TO SET AUTO GAIN Sensitivity is automatically adjusted so that response from sea bottom is even Set AUTO GAIN on Menu 1 LOW Sensitivity decreases When you judge status of bottom it helps you to confirm second or third reflection HIGH Sensitivity increases It helps you to detect weak...

Page 21: ...utput Low or High can be selected Set POWER REDUCER on menu 1 LOW HIGH Transmitting Output 9 TO SET STC This suppresses sensitivity shallower than approx 100m and eliminates reflected signal from plankton and air bubble Stronger STC is set sensitivity near sea surface decreases When you make STC too strong response near sea surface disappears On the other hand when you make STC too weak response n...

Page 22: ...K GROUND on menu 2 BLACK CYAN BLUE WHITE Background Color 12 TO SET COLOR CONFIGURATION Reflected signal of sound wave is converted into 16 ranks of digital signal according to the strength of response 15 ranks of color except background color is arranged and it is called Color Configuration As image of fish finder is displayed in color by this color configuration you can know the strength of resp...

Page 23: ... canceled Note Fish alarm sometimes reflects to floating matter except fish Fish Alarm Please refer to HOW TO OPERATE MENU page 5 for menu operation 15 TO SET WATER TEMP ALARM Alarm goes off within or out of two water temperatures TEMP SET 1 TEMP SET 2 Optional water temp sensor is required for this function 1 Select TEMP ALARM on menu 2 2 TEMP ALARM SET mode is shown by pressing right key ALARM S...

Page 24: ...is within two depths OUT RANGE Alarm goes off when it is out of two depths OFF Depth alarm is canceled Set DEPTH SET1 and DEPTH SET2 Depth 10m DEPTH SET 1 Out of range Example In Range Out of range Alarm Alarm Alarm Depth 15m DEPTH SET 2 Depth Alarm 17 TO CHANGE UNIT OF DEPTH READOUT Meters Fathoms Feet or Brazas is selected Set UNIT SETTING on menu 2 Meters Fathoms Feet Brazas Depth Unit 18 TO CH...

Page 25: ...e recorded on the screen to after changing the depth Set SUPER RANGE on menu 3 ON Used OFF Not used Super Range 21 TO SHOW DUAL FREQUENCY DISPLAY Following dual frequency display can be selected In case of single frequency transducer s model this function is not available Set DISPLAY on menu 3 LOW Low Freq Low frequency image is displayed on whole screen HIGH High Freq High frequency image is disp...

Page 26: ...3 Small Medium Large OFF Not displayed Depth Readout 24 TO SET SCALE LINE Horizontal lines are shown at the position of depth scale on the screen Set SCALE LINE on menu 3 ON Used OFF Not used Scale Line 25 TO SET SIMULATION Simulation function is incorporated in this unit You can practice the operation etc without connecting transducer Set SIMULATION on menu 3 ON Used OFF Not used In case of simul...

Page 27: ...menu 3 Note It is normally delivered in Portrait style from factory When you want to change to Landscape or Landscape Reverse you should disassemble and re assemble the main unit Therefore if you want to change to Landscape or Landscape Reverse please ask to the shop Change Display Style 27 INITIALIZATION Initialize all of menu contents and corrected value except display style 1 Select INITIAL on ...

Page 28: ...NIGHT DAY 3 COLOR CONFIG 0 1 2 3 4 5 6 1 4 TEMP GRAPH OFF ON ON 5 FISH ALARM OFF S L OFF 6 TEMP ALARM ALARM SET OFF ON TEMP SET1 15 0 C TEMP SET2 20 0 C ALARM SET OFF TEMP SET1 15 0 C TEMP SET2 20 0 C 7 DEPTH ALARM ALARM SET OFF ON DEPTH SET1 10m DEPTH SET2 500m ALARM SET OFF DEPTH SET1 10m DEPTH SET2 500m 8 UNIT SETTING 1 m ft fa br 2 C F 1 m 2 C 9 PULSE LENGTH NORM LONG NORM MENU 3 Menu Item Set...

Page 29: ... 24 DIMENSIONAL DRAWING 1 DIMENSIONAL DRAWING OF MAIN UNIT A A 2 DRAWING OF HOLES FOR INSTALLING BRACKET SEC A A φ φ φ CONNECTION WITH MAIN UNIT φ ...

Page 30: ...bracket is mounted with main unit you decide the place you install and put the mark Keep enough space behind the display to connect with cables Installation of bracket Install the bracket with supplied screws into four inside holes When you install the unit on ceiling please fasten to mount with four pieces each hexagon bolts over 8mmx35mm spring washers 8mm plain washers 8mm and hexagon nuts 8mm ...

Page 31: ...lectric tools please keep your hands dry If you hands are wet it causes to electric shock Do not install on the aluminum boat It may cause to corrosion Installation of transducer Thru hull 1 Make an approx φ 25 hole on the bottom Do not install on the aluminum boat It may cause to corrosion 2 Insert screw of transducer into hole and fix with one cork packing one washer and one nut Another one cork...

Page 32: ...mage resulting in death or serious wound will occur When you work using electric tools please keep your hands dry It causes to electric shock Installation of Thru hull Water Temp sensor 15m It can be installed on FRP boat Do not install on the aluminum boat It may cause to corrosion Water Temp Sensor Cork Packing Water Temp Sensor TC02CS Hull Gland for Water Temp Sensor TCK01 Put the seal for wate...

Page 33: ...MPOSITION Main Unit with Bracket Power Supply Cable Operation Manual Screw for installing bracket M6X20 OPTIONS Thru hull Mount Water Temp Sensor TC02CS TCK01 8P 15m Extension Cable for Water Temp Sensor EK11 8P 8P 3m ...

Page 34: ...cer and reception to transducer For example in case of roundtrip time between transmission and reception is 1 sec to sea bottom Roundtrip distance 1500m sec X 1sec 1500m Actually it s half is depth Depth 1500m 2 750m In case of roundtrip time between transmission and reception is 0 5 sec to fish school Roundtrip distance 1500m sec X 0 5 sec 750m Actually it s half is depth Depth 750m 2 375m How to...

Page 35: ...w depth and the deep depth fish school at the deep depth is displayed bigger than at the shallow depth Because the transmitted wave spreads wider as it goes deeper and the reflected wave spreads wider as it goes shallower As this result the deeper becomes the wider the width of fish school becomes on the screen The important thing to distinguish the fish volume is to judge it according to size of ...

Page 36: ...OL BRIGHTNESS OF SCREEN page 6 Bottom or fish can not be displayed at all Contact of transducer conne ctor is bad Connect surely Clean the surface of transducer and remove the rust stain etc Replace in case of corrosion Replace the transducer cable Replace the connector of unit Ask to repair Faulty of transducer Please check the followings If you find abnormal symptom please replace 1 If you hear ...

Page 37: ...ll boat s bottom or liquid is dirty Remove the attachment well Remove the stain from boat s bottom Replace the liquid As the reflected echoes are very weak at the below described place the image low sensitivity may be shown But it is not trouble where there are many sludge where there are many sea weeds where there are many mud of rubbish where the water is whirled by rapid current Even weak refle...

Page 38: ...mall Large Water Temp Alarm OFF Within Range Out of Range Depth Alarm OFF Within Range Out of Range Expansion Mode OFF Bottom Lock Auto Exp Manual Exp Expansion Rate x2 x4 x8 Sweep Speed 4 steps plus freeze Background Color 4 colors Black Cyan Blue and White Color Configuration 7 Patterns Depth Unit Meter Feet Fathoms Brazas Scale Line OFF ON Super Range OFF ON Depth Readout OFF Small Medium Large...

Page 39: ...20 Oyamazuka Oiwa cho Toyohashi Aichi Japan PC 441 3193 Tel 81 532 41 2512 Fax 81 532 41 4441 ...

Page 40: ... unit slowly and disconnect internal wires 1 pce white flat cable 1 pce 3 pins connector and 1 pce 4 pins connector total 3 pcs Take off eight screws screw with captive washer M4x8 from front unit Take off two screws mushroom head screw M4x6 from rear plate Remove the front unit and rotate it at 90 Hole which cables go through are changed Front unit Rotate the front unit at 90 ...

Page 41: ... cables with main unit Put the main unit cover on and fix main unit cover with ten screws mushroom head screw M4x6 Fit two screws mushroom head screw M4x6 which were taken off from rear plate into two holes of rear plate Fit the main unit on bracket Select and set the display style to Landscape or Landscape Reverse according to PICTURE STYLE on Menu 3 ...

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