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Onwa KF-667 - page 1
˵ Ã÷ Êé ˵ Ã÷ Êé MODEL KF-667 MODEL KF-667 OPERA T OR`S MANU AL COLO R VIDEO SOUNDER KF-667 KF-667 ...
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Onwa KF-667 - page 2
SAFETY INSTR UCTIONS SAFETY INSTR UCTIONS W ARNING W ARNING Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipm ent. Continued use of the equipment can cause fire or electrical shock. Contact a ONW A agent for service. Do not disassemble or modify th e equipment. Fire, electr ica ...
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Onwa KF-667 - page 3
INTRODUCTION PRINCIPLE OF OPERA TION SYSTEM CONFIGURA TION 1. CONTROLS, INDICA TIONS 1.1 Control Description 1.2 Indications 2. BASIC OPERA TION 2.1 T urning the Power On/Off 2.2 Adjusting Brilliance 2.3 Display mode Selection, Des cription 2.4 Adjusting Gain 2.5 Automatic Operation 2.6 Selecting Picture A dvance Speed 2.7 Display Range selection 2 ...
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Onwa KF-667 - page 4
INTRODUCTION Congratulations on your choice of the ONW A KF-667 Color Video Sounder . We are confident that you will enjoy many years of operation with this fine piece of equipment. The KF-667 is just one of the many ONW A developments in the field of echo sounding. T he compact, lightweight but rugged unit is easy to install and operate and is sui ...
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Onwa KF-667 - page 5
Alarms: fish, bottom, water 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. ...
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Onwa KF-667 - page 6
PRINCIPLE OF OPERA TION This Color V ideo Sounder determines the distance between its transducer a nd underwater objects such as fish, lake bottom or seabed and displays the results on a 5.6-inch color screen. It does this by utilizing the fact t hat a n ultrasonic wave transmitted through water travels at a nearly co nstant s peed of 4800 feet (15 ...
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Onwa KF-667 - page 7
SYSTEM CONFIGURA TION DISPLA Y UNIT KF-667 Ship’s mains 12-24 VDC External equipment (GPS navigator , etc.) T emperature sensor (option) TRANSDUCER ...
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Onwa KF-667 - 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 ...
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Onwa KF-667 - page 9
1. CONTROLS, INDICA TIONS 1.1 Control Description The equipment is so designed that even a first time user can quickly become acquainted with the operating procedure. Operation of each control or key is acknowledged by an alphanumeric message or symbol indication on the screen. Control Function SHIFT -,SHIFT+ Change display start de pth. (Appears i ...
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Onwa KF-667 - page 10
50K POWER OFF 200K 200/50 200K/Z MENU1 MENU2 50K/Z BRILL SIG LEV ALARM AUT O Change display start depth. Select options on menus. Turns the automatic sounder adjustment feature on/off. Adjusts brilliance of display . Pressing the SIG LEV + ALARM keys together. Displays the A-scope display at the right 1/4 of the screen. Pressing the BRILL + AUTO ke ...
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Onwa KF-667 - page 11
1.2 Indications Auto Mode Noise Limiter Picture A dvance Speed Signal L evel Range scale Alarm zone marker V ariable r ange marker(green) w/depth readout All indications and markers are displayed in white unless noted otherwise. Depth Requires external equipment. Wa ter temperature Wat er temperature scale* Wat er temperature marker*(Color changes ...
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Onwa KF-667 - page 12
2.BASIC OPERA TION 2.1 T urning the Power On/Off Tu rn the [MODE] switch clockwise to turn the power on. The unit starts with the settings used before it was turned off last time. T o turn the power off, turn the switch fully counterclockwise. 2.2 Adjusti ng Brilliance Use the [BRILL] key to adjust the brilli ance. The selected brilliance level is ...
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Onwa KF-667 - page 13
2.3.2 Display mode description 200K, 50K (high frequency , low frequency) mode The sounder uses ultrasonic pulses to detect bottom conditions. The lower the frequency of the pulse the wider the detection area. Therefore, the 50KHz frequency is useful for general detection and judging bottom conditions, while the 200KHz frequency is useful for detai ...
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Onwa KF-667 - page 14
ZOOM mode (high or low frequency) Three types of zoom displays are available: marker zoom, bottom-lock expansion, bottom zoom. The zoom mode to be used can be selected on the main menu with ZOOM MODE. 2-3 Zoom marker (yellow) Normal display Bottom- lock display BOTT OM-LOCK This display provides a compressed normal picture on the top 2/3 of the scr ...
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Onwa KF-667 - page 15
2.4 Adjust ing Gain The [GAIN] control adjusts the sensitivity of the receiver. A djust it so that a slight amount of noise remains on the screen. Generally , use a higher gain setting for greater depths and a lower setting for shallower waters. Note: The [GAIN] control is inoperative when the automatic mode is active. Gain too high Gain proper Gai ...
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Onwa KF-667 - page 16
2.6 Selecting Picture Advance Speed The picture advance speed determines how quickly the vertical scan lines run across the screen. When selecting a picture advance speed, keep in mind that a fast advance speed will expand the size of the fish school h orizontally on the screen and a slow advance speed will contract it. 1.Press the [BRILL] and [AUT ...
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Onwa KF-667 - page 17
Operate the [RANGE] switch and the display shown below appears. A djust the [RANGE] control again to select a basic range. RANGE: 30 Note: The [R ANGE] switch is ino perative when the a uto fu nction is act ive. 2.7.2 Range shifting The basic range may be shifted up or down with the [SHIFT] k eys ([+],[-]). Press a [SHIFT] k ey and the display show ...
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Onwa KF-667 - page 18
2.9 Measuring Depth to a Fish School The VRM (V ariable Range Marker) functions to measure the depth to fish schools or other echo. 1.Press[ ]or[ ]to place the VRM on an echo. 2.Read the 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 th ...
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Onwa KF-667 - page 19
2.1 1 Menu Operation The menu, consisting of the main menu a nd system menus, contains less often used functions which d o n ot require frequent adjustment. 2.1 1.1 Menu selection 1.Set the [MODE] switch i n t he MENU1 position. *A shown when auto mode in active. 2-8 NOISE LIMITER OFF 1 2 3 HUE SELECTION 1 ( 1 - 7 ) GAIN A DJUST 200KHz 0 (-20 - + 2 ...
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Onwa KF-667 - page 20
4.Press[ ]or[ ]to select menu item. 5.Press[+]or[-] to set conditio n. 6.Set the [MODE] switch in any other position to register s election and close the menu. 2.1 1.2 Main menu description Menu item description NOISE LIMITER Eliminates noise from other echo sounders and electrical interference. HUE SELECTION Selects colors for echoes and backgroun ...
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Onwa KF-667 - page 21
2.1 1.3 System menu description Menu item Description System Menu DEPTH Selects unit of depth measurement; meters, feet, fathoms, passi/braza. SPEED Selects unit of speed measurement; knots, miles per hour, kilometers per hour. TEMP Sel ects unit of temperature measurement; Celsius and Fahrenheit. ZOOM MARK T urns zoom range and expansion range mar ...
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Onwa KF-667 - page 22
2.12 Suppressing Interference Interference from other acoustic equipment operating nearby or other electronic equipment on your boat m ay show itself on the display as shown below . T o suppress interference, do the following: 1.Select MENU1 with the [MODE ]switch. 2.Select NOISE LIMITER. 3.Press [+] or [-] to select d egree of suppression desired. ...
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Onwa KF-667 - page 23
2.14 Selecting Background and Echo Colors 1.Select MENU1 with the [MODE] switch. 2.Select HUE SELECTION. 3.Press [+] or [-] to select h ue arrangement desired, referring to the table below. Hue options Hue Ho. Background color Echo color Blue Blue Black Black White White Black 2.15 Alarms 2.15.1 Alarm description Bottom alarm The bottom alarm sound ...
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Onwa KF-667 - page 24
2.15.2 Activating/deactivating an alarm 1.Prees the [ALARM] k ey to display the alarm menu. 2.Press [ ] or [ ] to select an a larm . 3.Press [+]to select ON, IN o r OU T .(For the water temperature al arm, select IN t o ge t the alarm when the water temperature i s wit hin t he a larm zone range, or O UT to g et th e ala rm when the water temperatu ...
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Onwa KF-667 - page 25
2.16 White Marker The white marker functions to display a particular echo color i n white. For example, you may want t o display the bottom echo (reddish-brown) in white to discriminate fish echoes near t he bottom. Note that t he bottom must be display ed in reddish-brown for the white marker to function. 1.Set the [MODE] switch in the MENU1 posit ...
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Onwa KF-667 - page 26
3. INTERPRETING THE DISPLA Y 3.1 Zero Line The zero line (sometimes referred to as the transmission line) represents the transducer`s position, and moves off the screen when a deep phased range is used. 3.2 Fish School Echoes Fish school echoes will g enerally be plotted between the zero line and the bottom. U sually the fish school/fish echo is we ...
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Onwa KF-667 - page 27
3.4 Surface Noise/Aeration When the waters are rough or the boat passes over a wake, surface noise may appear near the zero line. A s surface turbulence is acoustically equivalent to running into a brick wall, the bottom echo will be displayed intermittently . Similar noise so metimes appears when a water temperature difference (thermocline) exists ...
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Onwa KF-667 - page 28
4. MAINTENANCE,TROUBLESHOOTING WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnel should work inside the equipment. 4.1 Maintenance Regular maintenance is important for good performance. Following the recommended maintenance procedures will help keep your s et in good working condition. 4.1.1 General checking Import ...
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Onwa KF-667 - page 29
4.1.3 Cleaning Keep the equipment clean and dry at all times. Dust or loose dirt should be wiped off with a soft, dry cloth. Do not use chemical c leaners to clean the displa y unit-they can remove paint or markings. 4.1.4 Maintenance of the transduc er Marine life on the transducer face will r esult in gradual d ecrease in the sensitivity . Check ...
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Onwa KF-667 - page 30
4.2 Basic T roubleshooting The troubleshooting table below presents common problems and the means to restore normal operation. If normal o peration cannot be restored do not attempt to check inside the equipment. Basic trou bleshooting If Then Neither echo nor fixed range scale appears check battery voltage. check fuse. check battery terminal for c ...
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Onwa KF-667 - page 31
4.3 T ransducer Check A simple and reliable check of the transducer i s to temporarily replace the transducer with a ne w one. I f the sensitivity is considerably improved through this change, the transducer i s probably faulty . This method is especially useful for inside-hull or through-hull installation. Another m ethod is to listen to the trans ...
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Onwa KF-667 - page 32
NOISE LI MITER OFF 1 2 3 HUE SE LECTION 1 ( 1 - 7 ) GAIN ADJU ST 200 KHz 0 ( -20 - +20 ) GAIN ADJU ST 50K Hz 0 ( -20 - +20 ) CLUTTER LE VEL 0 * ( 0 - 3 ) ZOOM MO DE (B .LOCK) M/Z B /L B /Z MARKER (VRM) VRM WHT / :TO SELECT IT EM -/+:TO SET CONDITION MENU TREE A-1 DEF AUL T CONTROL SETTINGS SHIFT : 0 BRILL: 6 ADV ANCE: 4 SIGLEV : 0 ALARM: OFF A-SCOP ...
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Onwa KF-667 - page 33
SPECIFICA TIONS ON COLOR VIDEO SOUNDER KF-667 1.GENERAL 1 Display 5.6-inch TFT LCD 2 Echo Color 8 colors (including background color) according to echo intensity . Monochrome display is also available. The background color is selectable from blue, light blue, white and black. 3 Basic Range Meters 5/10/20/40/80/150/200/300 Feet 15/30/60/120/200/400/ ...
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Onwa KF-667 - page 34
SP-2 2.POWER S UPPL Y 1 Display Unit 12-24 VDC -10%,+30% : 1.0 - 0. 6 A 3.ENVIRONMENT AL CONDITION 1 Ambient T emperature 0 to + 50 2 Relative Humidity 85% at 4 0 3 W ater proofing Display Unit:IPX4 4 Vib ration 1mm 10%, 2(5) to 1 3.2Hz, 2 Maximum acceleration 7 m/s , 13. 2 to 100Hz 4.COA TING COLOR 1 Display Unit Chassis: 2.5GY5/1.5 Panel: N3.0 Ne ...
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Onwa KF-667 - page 35
INDEX Aeration 3-2 activating 2-13 bottom 2-12 fish 2-12 silencing buzzer 2-13 water temperature 2-12 A-scope display 2-7 AUTO key 2-4 Automatic operation 2-4 Background color 2-12 Bottom alarm 2-12 Bottom echoes 3-1 Bottom zoom mode 2-3 Bottom-lock mode 2-3 BRILL key 2-1 Brilliance 2-1 Checking 4-1 Cleaning 4-2 Clutter 2-1 1 Depth measurement 2-7 ...
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