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6. INSTALLATION OF UNIT

 

 
 
 

 Install the unit firmly. 

If not, it may cause the human injuries. 

Install the unit correctly according to the following instruction. 
For overhead mounting, install the unit to safe location with the 

consideration of dropping incident. 

 Install the unit to the location with less vibration. 

 
 
 
 
 

 
[Procedure of Installation] 

<Installation of Unit> 

Fix the unit with enclosed screws by using bracket holes(4 locations). 
Refer to the picture below. 

1

<Positioning> 

Set the unit with mounting bracket and fixation spot. Put the mark. 

Leave some room in the backside of unit for cable connections. 

2

<Installation of Bracket> 

Fix it with enclosed screws by using 4 holes on the bracket. 

The cutting slits for both edges of bracket’s face to front side. 

3

<Installation of Unit> 

Refer to the picture below and fix the unit. 
 

 

Display Unit

Rubber Ring

Put the disk plate for unused 
hole for knob. 

Clamping Knob 

Tapping Screw 

5×20 SUS 

Washer 

Summary of Contents for HE-770

Page 1: ...ration read and fully understand the contents of this Operating Manual before attempting to operate the equipment Store this Operating Manual in a safe and convenient place where it can be referred to easily when needed ...

Page 2: ...cribed in this manual INTRODUCTION Do not reproduce a part or all of contents described in this manual without our approval Please understand that the unit may differ from the contents described in this manual due to the specifications change etc Please inform us if you see any errors and or unclear descriptions in this manual DEFINITION OF SYMBOL MARK CAUTION FOR SAFETY Incur the accident resulti...

Page 3: ...8 CONNECTION WITH UNIT 12 9 INSTALLATION OF TRANSDUCER 13 9 1 INSIDE HULL 14 9 2 THRU HULL 14 9 3 INSIDE CASE 15 10 CONNECTING DIAGRAM 16 11 DESCRIPTION OF KEYS 17 11 1 FRONT PANEL 17 12 DISPLAY INFORMATION 18 13 OPERATION 19 13 1 POWER KEY 19 13 2 BRIGHTNESS KEY 19 13 3 CLUTTER 20 13 4 SHIFT KEY 21 13 5 GAIN KEY 22 13 6 RANGE KEY 23 13 7 MODE KEY 24 13 8 USER KEY 25 13 9 AUTO KEY 26 13 10 MENU KE...

Page 4: ...34 Temp Unit 34 Depth Unit 35 Adjust 35 Keel Offset 35 Water Temp 35 Voltage 35 Other Set 36 Auto Range 36 Clean Echo 36 Output Power 36 Pulse Length 37 Auto Key 38 Readout 1 39 Depth 39 Super Range 39 Depth Marker 40 Color Bar 40 Readout 2 40 Latitude Longitude 40 Vessel Speed 40 Bearing 40 System Menu 41 Simulation 41 Display 41 System Reset 42 17 THEORY OF FISHFINDER 43 18 CAUTION OF SAFETY 45 ...

Page 5: ...navigation It causes the marine accidents and incidents Be sure to use the official marine charts for navigation judgement Do not operate the unit while piloting the vessel It causes the marine accidents and incidents Be sure to confirm the surrounding safety before the usage Do not put the power on in the presence of flammable materials It causes the fire Do not use the power supply besides the s...

Page 6: ... power plug after its removal It causes firing and heating if the plug gets wet Be sure to wire the cables in order for safety pilot The improper wiring causes the accident Do not put the heavy object on cables or bend cables excessively Do not disassemble or modify the cables It causes to firing heating or electronic shock Do not use damaged cables It causes firing or electronic shock Do not pull...

Page 7: ...is required for Thru Hull installation If not it causes the marine accident It is not allowed for aluminum vessels due to the risk of corrosion Do not operate the electronic tools with wet hands It causes electronic shock Do not remove the transducer plug when the power is ON It causes electronic shock Only use with selected transducers and water temp sensors The use of wrong parts may cause the d...

Page 8: ...g Engine Operate the unit within the range of DC 11V 35V Power Supply 11 35V Do not clean the unit with organic solution like thinner or alcohol etc because most parts are made with plastic For heavy dirt soak the soft cloth in synthetic detergent and clean it after wring Organic Solution is Prohibited The unit is not designed for storing the data permanently Important data should be recorded on t...

Page 9: ...de LCD LED backlight Low power consumption Automatic gain depth control function Multiple installations supported Display mode can be changed vertical horizontal for different installations Easy panel operation Each key is assigned for best location to support user friendly operation 5 ...

Page 10: ...rm OFF Within Range Out of Range Expansion Mode Bottom Lock Auto Exp Manual Exp Expansion Ratio x2 x4 x8 Sweep Speed 6 Steps Freeze Background Color 4 Colors Black Blue White Dark Blue Color Configuration 6 Patterns Depth Unit Meter Feet Fathoms Brazas Super Range OFF ON Pulse Width Short Medium Long Clean Echo OFF Weak Strong Transmitting Output High Low Depth Display OFF Small Large Simulation M...

Page 11: ...ation Screw Screw for Built in Fixation Disk Plate Transducer Paper Temperate for Built in Fixation Operating Manual 4 STANDARD CONFIGURATION Bracket 1pc Clamping Knob 2pcs Washer 2pcs Rubber Ring 2pcs 4 30 SUS x4pcs 5 20 SUS x4pcs 2 TD28 or TD26 3P 8m 50 200kHz ...

Page 12: ...5 DIMENSION Display Unit Unit mm Bracket Holes 8 ...

Page 13: ...e unit with enclosed screws by using bracket holes 4 locations Refer to the picture below 1 Positioning Set the unit with mounting bracket and fixation spot Put the mark Leave some room in the backside of unit for cable connections 2 Installation of Bracket Fix it with enclosed screws by using 4 holes on the bracket The cutting slits for both edges of bracket s face to front side 3 Installation of...

Page 14: ...llowing instruction Procedure of Built in Installation Fix the unit by using 4 holes on the front panel Cover for built in installation 4 locations 1 Create the space by using the enclosed paper temperate for built in installation Unit mm 108 5 188 108 5 This drawing faces from the front panel M4 screws locations 188 Built in size 66 37 ...

Page 15: ...ve the covers 4pcs on the front panel 5 Fix it with M4 30 tapping screws 4pcs 6 Put the covers back to the unit 4pcs 3 Pull the cover toward front side for the removal Space 4 Locate the unit to the space 11 ...

Page 16: ...8 CONNECTION WITH UNIT 12 Temp Sensor Option NMEA Input Output Transducer TD28 or TD26 Battery 11 35V DC White Black ...

Page 17: ...ducer at the tilted locations more than 15 Do not install the transducer at the locations having obstruction like keel etc Any works on the boat are very unstable and risky Installation maintenance of transducer and water temp sensor should be handled after landing the vessel on ground or fixing the vessel at shipyard etc Be sure to ventilate well inside the vessel when installing the transducer a...

Page 18: ...he bonding so that no air bubble is contained inside 9 2 THRU HULL 9 1 INSIDE HULL Single layer 10mm or less vessel bottom Bond Vessel bottom Transom 1 Make a hole of approx φ23 at the vessel bottom Alminum vessels are not subject to the installation for the risk of corrosion 2 Insert the screw part of transducer into the hole and fix it with 1pc cork washer 1pc washer and 1pc nut Extra cork washe...

Page 19: ...m or less Look for the best picture location before the fixation by putting the transducer inside the case 1 Take out all the water inside the case 2 When installing the transducer at the bottom of case please refer to 9 1 INSIDE HULL Single layer 10mm or less Fish tank 15 ...

Page 20: ...NMEA input output Transfer Rate Data Format Transfer Format NMEA0183 Start bit 1 Data bit 8 4800 bps GGA VTG Parity bit none Stop bit 1 10 CONNECTING DIAGRAM NMEA Unit Data output External power Input Output Connector NMEA Input Output 16 ...

Page 21: ... B L Auto Exp Manual Exp User key page 25 Customized key assignment by user Direction key page 29 Move the depth marker with key Select the item when menu is activated Auto key page 26 Set the sensitivity and depth automatically Press this key to activate deactivate Auto mode gain range Menu key page 26 Display menu Clutter key page 20 Adjust the clutter Shift key page 21 Shift the display Gain ke...

Page 22: ...display for the left side When using the specific mode the selected mode B L Auto Exp or Man Exp Time marker Gain bar 30sec bar appears every minute Depth marker Fish school 200kHz mode 50kHz mode Depth Sea bottom 2 Optional water temp sensor is required 1 Frequency display Display appears differently for single and dual frequency 2 Display Lattitude Longitude Speed Direction when connecting to NM...

Page 23: ... screen Press OFF key to set the power OFF after alarm sound OFF key is disabled during the star up until the display appears on the screen Caution1 Set the power OFF when starting the engine because the battery voltage varies causing the problems into unit ON key OFF key Brightness Adjustment Brightness key Press BRIGHT key for brighter Press BRIGHT key for darker 1 Adjust the brightness 19 ...

Page 24: ... weak reflection t Press Hold CLUTTER key to display the color of strong reflection Clutter Fish school or sea bottom is shown by the strength of reflected echo and color configuration Clutter removes the color from the weak echo so that plankton or water contamination are reduced for easier detection of fish school etc 1 Clutter key Color bar 20 ...

Page 25: ...so you can expand small target with this feature Shift key 1 Press shift key to move the display range Depth display is changed Shift to shallow direction Press SHIFT key toward shallow direction Shift to deep direction Press SHIFT key toward deep direction Shift key is disabled when selecting automatic range 10m shift Shift Display Range Shift 21 ...

Page 26: ...nsitivity As image is pale it is difficult to distinct the fish school As 2nd reflection is shown it is easy to distinct the fish school As plankton and stain are shown it is difficult to distinct the fish Sea bottom Gain Adjustment Press gain key to adjust the sensitivity Higher sensitivity Press GAIN 1 or GAIN 2 key for high sensitivity and longer bar Numeric value beside gain bar goes up Lower ...

Page 27: ...s Min 0 3m to Max 0 1000m 23 5 3 8 10 15 20 30 40 50 60 80 100 125 150 180 200 250 300 400 500 m 0 600 800 1000 Depth key Deep range Press RANGE key for deep range Press range key to change the depth The display range of depth changes Shallow range Press RANGE key for shallow range 1 Depth Range Display Range ...

Page 28: ...Auto Expansion The bottom is expanded and shown Expansion range marker cannot be moved Manual Expansion Selected area is expanded and shown Move the direction key to select the target area There are 3 different zoom selections bottom lock expansion automatic expansion and manual expansion Expansion range mark appears when selecting auto and manual expansion 1 Zoom mode key Expansion range marker 2...

Page 29: ... you can clear the set up display by pressing any keys other than key user Default set up is set to sweep speed Allocation method of user key Look for underlined items in menu display These functions can be assigned for user key Select the function from menu Press Hold key user for 2sec or more The underline of selected function gets thicker after beep sound Possible to assign the selected functio...

Page 30: ...n details Use key direction key key and key to select the function from menu display The detailed set up can be selected from menu key 1 Direction key Menu key Press auto key to set automatic function ON OFF Go to Menu 2 Auto Key Setting for auto key set up page 38 Auto key Press key auto to display AUTO on the top left of screen 1 Press key auto again to go back to normal operation 26 ...

Page 31: ...Set the temperature 1 0 40 default 15 3 TEMP SET 2 Set the temperature 2 0 40 default 20 2 DEPTH ALARM 1 ALARM SET Alarm is ON within or exceeding the range of 2 depth OFF IN RANGE OUT RANGE 2 DEPTH SET 1 Set the depth 1 1 500m default 10m 3 DEPTH SET 2 Set the depth 2 1 500m default 100m 3 FISH ALARM Alarm is ON when fish is detected OFF 4 BATT ALARM Alarm is ON when battery voltage drops OFF 12V...

Page 32: ...anged depth OFF ON 3 DEPTH MARKER Select the color of depth marker OFF W R G B Y LB P 4 COLOR BAR Set the indication of color bar OFF ON 5 READOUT 2 1 LAT LON Activated only when connecting to NMEA output device Select the display of latitude longitude OFF ON 2 BOAT SPEED Set the indication of boat speed OFF ON 3 BEARING Set the bearing OFF ON 6 SYSTEM MENU 1 SIMULATION Activate the simulation OFF...

Page 33: ...are shown in yellow frame to move up to move down to move right or enlarge the value to move left or lower the value To go to next MENU When Menu 1 is opened press key to show Menu 2 When Menu 2 is opened press key to clear the menu display To cancel MENU mode Set up menu appears for the items having mark on the right by pressing or key Press key to return to the previous menu display Operation ma...

Page 34: ...he speed shifting the image The image appears differently by this set up value Relationship between sounding rate and sweep speed 7 sweeping speeds can be selected The following figure shows the ratio of sweeping speed for sounding frequency Number of sounding rate to move the image one time 2 Case of 200 50kHz Display Image S 1 elect 2 PICTURE in Menu 1 Select the frequency 50 50kHz only 200 200k...

Page 35: ... Color configuration is the color set up for 16 ranks except background color Fishfinder image is shown by the color configuration The displayed color shows the strength of reaction Also the whole image may vary with this set up 2 Background Color S 1 elect 6 BACK GRD in Menu 1 Select the background color black blue white or dark blue Visual image of display looks differently by surrounding bright...

Page 36: ...t 3 SPLIT SCREEN in Menu 2 Divide the display L R Left Right Possible to split the display Left Right or Up Down when selecting dual frequency or Expansion function 2 A mode display S 1 elect 2 A MODE in Menu 2 Select A mode ON Display A mode OFF No A mode A mode is shown at the right edge The signal width varies depending on the strength of reflected signal 2 A Mode 32 ...

Page 37: ... the alarming condition again 3 Water Temp Alarm Example Depth 10m Depth 15m Within Range Alarm Alarm Alarm Outside of range Outside of range Depth 10m Depth 15m Depth Set1 Depth Set2 Press key to stop alarm However blinking of depth display does not stop Also alarm is ON once the temperature goes outside of the condition and return to the alarming condition again S 1 elect 4 ALARM 2 DEPTH ALARM i...

Page 38: ... elect 4 ALARM 4 BATT ALARM in Menu 2 12V Alarm is ON when the battery is 10V or less Voltage display blinks 24V Alarm is ON when the battery is 21V or less Voltage display blinks OFF Alarm is OFF Alarm is ON when the battery voltage drops 2 Press key to stop alarm However blinking of battery display does not stop Also alarm is ON once the voltage goes outside of the condition and return to the al...

Page 39: ...l Offset Set the coefficient value so that water temp display is same as the actual temp Water temp sensor is optional Possible to set the offset in 0 1 steps from the range of 5 0 5 0 when connecting to water temp sensor Select 5 OTHERS 2 ADJUST 2 TEMP ADJ in Menu 2 1 U 2 se to change the value Adjust Water Temp Adjust Voltage Select 5 OTHERS 2 ADJUST 3 VOLT ADJ in Menu 2 Use to change the value ...

Page 40: ...t work if exceeding the depth of selected max depth for auto range Other Set Clean Echo S 1 Display fine image with less noise by reducing the desynchronized noise such as other fishfinder electronic noise air bubble and mechanical noise elect 5 OTHERS 3 OTHER SET 2 CLEAN ECHO in Menu 2 OFF Clean echo is OFF L Low clean echo 2 H High clean echo It is better to set it to OFF where noise is not pres...

Page 41: ...the selection from 3 types of pulse length short medium long S 1 elect 5 OTHERS 3 OTHER SET 4 PULSE LENGTH in Menu 2 S 2 Higher resolution and for shallow water Low power consumption M Medium resolution and for little deep water L Low resolution and for deep water Long pulse length Closed objects looks like one object Short pulse length Closed objects can be distinguished For example of this case ...

Page 42: ...n to deactivate Auto Gain 1 AUTO G Auto Gain is to set the optimized gain value automatically so that the bottom reaction stays the same S 1 elect 5 OTHERS 3 OTHER SET 5 AUTO KEY SET 1 AUTO G in Menu2 S O elect the auto gain N Automatic gain is ON OFF OFF 2 2 AUTO R Auto Range is to set the optimized range automatically so that the bottom appears in lower half of display Select the auto range meth...

Page 43: ... changed depth synchronized to the current displayed range S 1 elect 5 OTHERS 4 READOUT 1 2 SUPER RANGE in Menu 2 ON Rewrite the previous image OFF No synchronization 2 No rewrite of the previous image Change to deeper range OFF No rewriting of previous image Change to deeper range ON Rewrite previous image When moving from shallow to deep water range with super range ON no information will be dis...

Page 44: ...COLOR BAR in Menu 2 ON Color bar is ON OFF OFF Readout 2 S 1 elect 5 OTHERS 5 READOUT 2 in Menu 2 Set the display of latitude longitude vessel speed and bearing 1 Latitude Longitude OFF OFF 2 ON Displayed 2 Vessel Speed OFF OFF ON Displayed 3 Bearing OFF OFF ON Displayed Latitude Longitude Speed Bearing This function is only effective when connecting to NMEA GGA VTG output device ...

Page 45: ...Landscape Portrait Rev Landscape Rev FF OFF ON Simulation is ON 2 DEMO is shown on the right bottom of screen System Menu Display Display view can be selected for different installation environment S 1 elect 5 OTHERS 6 SYSTEM MENU 2 DISPLAY in Menu 2 S R 2 elect from Portrait Landscape Portrait everse or Landscape Reverse ...

Page 46: ... to factory set up SYSTEM MENU 1 SIMULATION OFF ON 2 DISPLAY LANDSCAPE 3 SYSTEM RESET SETTING BY SET KEY CANCEL BY CLR MENU TO PREVIOUS MENU SET key to execute Press key 2 Press SET key one more time to execute 3 key Return to factory set up Press OFF key to turn down the power and restart the unit Press CLR to cancel key Cancel the reset ...

Page 47: ...he depth is half the size so Depth 1500m 2 Display Method Current image is shown at 1st line of right edge after processing the reflected wave of transmitted ultrasonic The line image previously located at the right edge moves to one line to the left Keep executing this operation to create the cross section view Therefore the latest image beneath the vessel is located at the right edge More left s...

Page 48: ... wider as it go deeper The reflected ultrasonic wave becomes bigger as the distance depth gets further The important tip to distinguish the fish quantity is to know fish school located at deeper water appears bigger Judge from size of fish school and color strength Reflected ultrasonic Fish school A Fish school B Fish schoolA Image Shallow Fish schoolB Image Deep 4 Distinguish of Sea Floor Conditi...

Page 49: ...Send it for repair Problem with Transducer Check followings and replace it in the case of actual problems 1 It s normal if you hear the sound like Bo Bo from the surface of transducer 2 It s normal if rain like dots appear on the transducer surface after setting the sensitivity and depth to the max and rubbing the transducer surface Transducer is not immersed enough into the water Adjust the trans...

Page 50: ...hich is not problem at all Bottom or fish school is not displayed well Too much sludge Lots of weeds Muddy and dirty locations Rapid current Too high clutter Activate low reflection color refer to CLUTTER p 20 Too high sensitivity Lower the sensitivity Set to auto gain auto sensitivity control Too much noise Interference with other vessel s fishfinder Noise disappears after other vessel moves far ...

Page 51: ...47 OVERSEAS SALES DIVISION 20 Oyamazuka Oiwacho Toyohashi Aichi 441 3193 Japan TEL 81 532 41 2512 FAX 81 532 41 4441 URL http www honda el co jp ...

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