Onwa KF-1067, Operator'S Manual

Page 1: ...Ë µ Ã Ê é Ë µ Ã Ê é MODEL KF 667 MODEL KF 667 OPERATOR S MANUAL COLOR VIDEO SOUNDER KF 667 KF 667 ...

Page 2: ...e equipment Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire Continued use of the equipment can cause fire or electrical shock Contact a ONWA agent for service Keep heater away from equipment A heater can melt the equipment s power cord which can cause fire or electrical shock Use the proper fuse Fuse rating is shown on the equipment Use of a wrong fuse ...

Page 3: ... A scope Display 2 11 Menu Operation 2 12 Suppressing interference 2 13 Suppressing Low Level Noise 2 14 Selecting Background and Echo Colors 2 1 2 1 2 1 2 4 2 4 2 5 2 6 2 7 2 7 2 8 2 11 2 11 2 12 2 15 Alarms 2 16 White Marker 3 INTERPRETING THE DISPLAY 3 1 Zero Line 3 2 Fish School Echoes 3 3 Bottom Echo 3 4 Surface Noise Aeration 4 MAINTENANCE TROUBLESHOOTING 4 1 Maintenance 4 2 Basic Troublesho...

Page 4: ...r about whether we are achieving our purposes Thank you for considering and purchasing ONWA equipment Features The KF 667 dual frequency 50KHz and 200KHz color video sounder has a large variety of functions all contained in a splash proof rugged plastic case that is compact to fit small boats The principal features of the KF 667 are User friendly design for simplified operation A wide variety of d...

Page 5: ...temperature requires appropriate sensor Six pulse lengths for excellent performance on both shallow and deep ranges Universal 12 24 VDC power supply drawing 30 W of power at maximum Water temperature sensor optionally available ...

Page 6: ...The entire process begins in the display unit Transmitter power is sent to the transducer as a short pulse of electrical energy The electrical signal produced by the transmitter is converted into an ultrasonic signal by the transducer and transmitted into the water Any reflected signals from intervening objects such as a fish school are received by the transducer and converted back into an electri...

Page 7: ...SYSTEM CONFIGURATION DISPLAY UNIT KF 667 Ship s mains 12 24 VDC External equipment GPS navigator etc Temperature sensor option TRANSDUCER ...

Page 8: ...NMEA 0183 input RX NMEA 0183 input RX NMEA 0183 output TX NMEA 0183 output TX GND 3 3V NC Temp GND Temp in TX GND TD TX NC NC GND TD Temp I O Fuse 3A TX TX GND Power DC12 24V VE Transducer ...

Page 9: ...e automatic sounder adjustment feature on off ADVANCE BRILL AUTO Pressing the BRILL and AUTO keys together selects display advancement speed SIG LEV Eliminates low intensity echoes up to light blue echoes in two steps ALARM Open closes the alarm menu A SCOPE Pressing the SIG LEV and ALARM keys together displays the SIG LEV ALARM A scope display at the right 1 4 of the screen MARKER MARKER Appears ...

Page 10: ...M keys together Displays the A scope display at the right 1 4 of the screen Pressing the BRILL AUTO keys together Selects display advancement speed Open closes the alarm menu Eliminates low intensity echoes up to light blue echoes in two steps Shift the Variable Range Marker VRM Set alarm zone Select menu items Set white marker Sets the basic range of the display Adjusts receiver sensitivity Turns...

Page 11: ... marker Variable range marker green w depth readout All indications and markers are displayed in white unless noted otherwise Depth Requires external equipment Water temperature Water temperature scale Water temperature marker Color changes with HUE setting Color bar Mode Nav data Voltage Speed 1 3 ...

Page 12: ...es are available and you may select one of them with the MODE switch MODE switch description MODE Switch Position Function 200K Provides the high frequency 200KHz normal picture on the full screen 50K Displays the low frequency 50KHz normal picture on the full screen 200K Z 50K Z MENU1 Displays the main and system menus MENU2 Displays the main and system menus 2 1 Displays the normal display for h...

Page 13: ...ction and judging bottom conditions while the 200KHz frequency is useful for detailed observation of fish schools DUAL frequency mode This mode provides the 50KHz picture on the left half of the screen and the 200KHz on the right half and is useful for detecting fish schools which have different reflection characteristics with frequency For example a school of tiny fish like minnow returns stronge...

Page 14: ...ellow Normal display BOTTOM ZOOM This mode expands bottom and bottom fish echoes two to five times to vertical size of the screen and it is useful for determining bottom hardness A bottom displayed with a short echo tail usually means it is a soft sandy bottom A long echo tail means a hard bottom The zone automatically moves so that the bottom echoes locate on the lower half of the screen Note1 Th...

Page 15: ... It jumps to one step shallower range when bottom echoes reach a halfway point of the full scale from top and to one step deeper range when they come to the lower edge of the scale The gain is automatically adjusted to display the bottom echo in reddish brown default color arrangement Clutter level on the main menu which suppresses low level noise is automatically adjusted 2 5 2 Enabling automatic...

Page 16: ...he display and it is convenient for observing an echo ADVANCE 1 1 8 2 Continue pressing the BRILL and AUTO keys together to select desired speed 2 7 Display Range Selection The basic range and range shifting functions used together give you the means to select the depth you can see on the screen The basic range can be thought of as providing a window into the water column and range shifting as mov...

Page 17: ...c ranges can be changed on the system menu Note 3 The unit of depth may be selected on the system menu Note 4 The range cannot be shifted when the auto function is active 2 8 Erasing Weak Echoes Dirty water or reflections from plankton may be painted on the display in green or light blue These weak echoes may be erased as follows 1 Press the SIG LEV key The following display appears SIGLV 1 2 Pres...

Page 18: ...e VRM range just above the VRM 2 10 A scope Display This display shows echoes at each transmission with amplitudes and tone proportional to their intensities on the right 1 4 of the screen It is useful for estimating the kind of fish school and bottom composition To turn the A scope display on or off press the SIG LEV and ALARM keys together Normal display A scope display 2 7 ...

Page 19: ...quire frequent adjustment 2 11 1 Menu selection 1 Set the MODE switch in the MENU1 position A shown when auto mode in active 2 8 NOISE LIMITER OFF 1 2 3 HUE SELECTION 1 1 7 GAIN ADJUST 200KHz 0 20 20 GAIN ADJUST 50KHz 0 20 20 CLUTTER LEVEL 0 0 3 ZOOM MODE B LOCK M Z B L B Z MARKER VRM VRM WHT TO SELECT ITEM TO SET CONDITION ...

Page 20: ... work properly when the transducer is installed inside hull try to adjust the gain here CLUTTER LEVEL Eliminates blue dots which are mainly caused by unclean water from the screen ZOOM MODE Selects the type of zoom display B L Bottom Lock B Z Bottom Zoom and M Z Marker Zoom MARKER Selects which marker to use VRM or white marker 2 9 2 Set the MODE switch in the MENU2 position 3 To go to page 2 of t...

Page 21: ...urns zoom range and expansion range markers on off F A LEVEL Sets fish alarm level WEAK Alarm against weak to strong echoes MED Alarm against medium to strong echoes STRG Alarm against strong echoes only RANGE 1 8 Sets basic ranges Change when default ranges are not satisfactory ZOOM RANGE Selects range scale for bottom zoom and marker zoom displays X2 for example expands echoes to double size rel...

Page 22: ...erference Turn the noise limiter circuit off when no interference exists otherwise weak echoes may be missed 2 13 Suppressing Low Level Noise Light blue dots may appear over most of screen This is mainly due to unclean water or noise This noise can be suppressed by adjusting CLUTTER on the menu When the automatic mode is on the clutter suppression setting is fixed at AUTO To suppress low level noi...

Page 23: ...he fish alarm sounds when fish of a certain strength are within the preset alarm range The echo strength which triggers the fish alarm can be selected on the MENU2 with F A LEVEL Water temperature alarm There are two types of water temperature alarms IN and OUT The IN alarm sounds when the water temperature is within the range set the OUT alarm sounds when the water temperature is higher than the ...

Page 24: ...larms only Alarm icon Appear when alarm is violated 6 Press to select RANGE 7 Use to to set display range for the alarm To deactivate an alarm select OFF at step 3 in the above procedure 2 15 3 Silencing the buzzer When an alarm is violated the buzzer sounds and the alarm icon and name of alarm violated see illustration above appear on the display You can temporarily silence the buzzer by Pressing...

Page 25: ...ddish brown for the white marker to function 1 Set the MODE switch in the MENU1 position 2 Press select MARKER field 3 Select WHT from the MARKER field 4 Set the MODE switch in desired mode position 5 Press or to select color to display in white The indication WHITE MARKER appears As you press those keys the white cursor on the color bar shows the color currently selected to display in white White...

Page 26: ... width will vary with bottom composition water depth frequency sensitivity etc In a comparatively shallow depth a high gain setting will cause a second or sometimes a third or a fourth echo to be displayed at the same interval between them below the first echo trace This is because the echo travels between the bottom and the surface twice or more in shallow depths The color of the bottom echo can ...

Page 27: ...to prefer different temperature zones so the thermocline may be useful to help identify target fish 200KHz tends to show shallow thermoclines better than 50KHz In rough waters the display is occasionally interrupted due to below the ship air bubbles obstructing the sound path This also occurs when the boat makes a quick turn or reverses movement Lowering the picture advance speed may reduce the in...

Page 28: ...ower cable plug transducer cable plug Display unit ground Ship s mains voltage 4 1 2 Replacement of fuse The fuse on the power cable protects the equipment against overvoltage reverse polarity of the ship s mains or internal fault of the equipment If the fuse blows find the cause before replacing the fuse If the fuse blows again after replacement call for service A fuse rated for more than 3A shou...

Page 29: ...ers to clean the display unit they can remove paint or markings 4 1 4 Maintenance of the transducer Marine life on the transducer face will result in gradual decrease in the sensitivity Check the transducer face for cleanliness each time the boat is hauled out of the water Carefully remove any marine life with a piece of wood or fine sandpaper 4 2 ...

Page 30: ... low sensitivity check if gain setting is suitable check for air bubbles or marine life attached to transducer check if water is dirty bottom may be too soft to return proper echo No water depth readout is shown check if bottom echo is painted red or reddish brown check if bottom is displayed check if transducer transducer cable is too close to engine check unit ground check if there are other ech...

Page 31: ...refully listen to the transmission sound If you can hear a clicking sound the transducer is probably normal Next rub the transducer face with your hand and observer whether noise appears on the screen The appearance of noise indicates the transducer is normal In case of neither sound nor noise the transducer is probably faulty 4 4 Water Temperature Sensor option Check The idea of the transducer ch...

Page 32: ...SETTINGS SHIFT 0 BRILL 6 ADVANCE 4 SIGLEV 0 ALARM OFF A SCOPE OFF MARKER 0 Default setings are circumscribed Press key Press key SYSTEM MENU DEPTH m ft fa PB ZOOM MARK OFF ON F A LEVEL WEAK MED STRG RANGE1 15 RANGE2 30 RANGE3 60 RANGE4 120 RANGE5 200 RANGE6 400 RANGE7 600 RANGE8 1000 ZOOM RANGE 2 3 4 5 B L RANGE 10 20 TO SELECT ITEM TO SET CONDITION SYSTEM MENU SPEED kt MPH KPH TEMP TO SELECT ITEM...

Page 33: ...10 20feet 2 5fathoms 2 5passi braza 7 Auto Mode Automatic adjustment of range and gain 8 Display Mode High Frequency 200K Low Frequency 50K Dual 200K and 50K 1 2display on each Zoom 200K and 50K zoom and A scope Display 9 Zoom Display Marker Zoom Bottom Zoom and Bottom lock Expansion 10 Display Advance Speed Lines TX Freeze 1 8 1 4 1 2 1 1 2 1 11 TX Frequency Output power 50 and 200kHz alternately...

Page 34: ...NVIRONMENTAL CONDITION 1 Ambient Temperature 0 to 50 2 Relative Humidity 85 at 40 3 Water proofing Display Unit IPX4 4 Vibration 1mm 10 2 5 to 13 2Hz 2 Maximum acceleration 7 m s 13 2 to 100Hz 4 COATING COLOR 1 Display Unit Chassis 2 5GY5 1 5 Panel N3 0 Newtone No 5 ...

Page 35: ... school echoes 3 1 Fuse replacement 4 1 GAIN control 2 4 200K 50K mode 2 2 Hue 2 12 Indications 1 3 Interference 2 11 Marker zoom mode 2 3 Menu1 2 8 Menu2 2 9 Menu1 description 2 8 Menu2 description 2 10 Menu tree A 1 MODE switch 2 1 Noise limiter 2 11 Picture advance speed 2 5 Power on off 2 1 Principle of operation RANGE switch 2 5 SHIFT keys 2 6 SIG LEV key 2 6 Surface noise 3 2 System menu 2 1...