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KF-6 KF-667 67
MO MODEL DEL KF KF-667 -667
OPERATOR`S MANUAL
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COLOR VIDEO SOUNDER
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S SA AF FE ET TY Y I IN NS ST TR RU UC CT TI IO ON NS S W WAR ARNIN NING G W WAR ARNIN NING G Make sure no rain or water splash leaks ELECTRICAL SHOCK HAZARD into the equipment. Do not open the equipment. Fire or electrical shock can result if water leaks in the equipment. Only qualified personnel should work inside the equipment. Immediately turn off the power at the Keep heater away from equipment. switchboard if water leaks into the equipment or something is dropped in A heater can melt the
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TABLE OF CONTENTS INTRODUCTION 2.15 Alarms 2-12 2- 14 2.16 White Marker PRINCIPLE OF OPERATION 3-1 3. INTERPRETING THE DISPLAY SYSTEM CONFIGURATION 3-1 3.1 Zero Line 3.2 Fish School Echoes 3- 1 1-1 3- 1 1. CONTROLS, INDICATIONS 3.3 Bottom Echo 1.1 Control Description 1-1 3.4 Surface Noise/Aeration 3- 2 1.2 Indications 1-3 4- 1 4. MAINTENANCE, TROUBLESHOOTING 2-1 2. BASIC OPERATION 4-1 4.1 Maintenance 2.1 Turning the Power On/Off 2-1 4-3 4.2 Basic
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INTRODUCTION Congratulations on your choice of the ONWA 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 ONWA developments in the field of echo sounding. The compact, lightweight but rugged unit is easy to install and operate and is suitable for both fresh and saltwater applications. This unit is designed and constructed to withstand the rigors of the marine environment. However, to
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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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PRINCIPLE OF OPERATION This Color Video Sounder determines the distance between its transducer and 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 that an ultrasonic wave transmitted through water travels at a nearly constant speed of 4800 feet (1500 meters) per second. When a sound wave strikes an underwater object such as fish or sea bottom, part of the sound wave is reflected back toward the source.
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SYSTEM CONFIGURATION DISPLAY UNIT KF-667 Ship’s mains 12-24 VDC TRANSDUCER External equipment (GPS navigator, etc.) Temperature sensor (option)
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Transducer TD/Temp TX GND Temp GND TX Temp in TX GND TD TX NC NC GND Fuse(3A) I/O Power NMEA-0183 input(RX+) DC12-24V NMEA-0183 input(RX ) -VE NMEA-0183 output(TX+) NMEA-0183 output(TX ) GND 3.3V NC
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1. CONTROLS, INDICATIONS 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 depth. (Appears in text as [-],[+].) Select options on menus. ADVANCE (BRILL+AUTO) Pressing the BR
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Change display start depth. Select options on menus. Adjusts brilliance of display. Pressing the BRILL + AUTO keys together. Selects display advancement speed. Pressing the SIG LEV + ALARM keys together. BR ILL AUTO Turns the automatic sounder Displays the A-scope display adjustment feature on/off. at the right 1/4 of the screen. SIG LEV ALARM 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
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1.2 Indications Auto Mode Mode Noise Limiter Picture Advance Speed Signal Level Nav data* Speed* Water temperature Range scale Voltage Water temperature Alarm zone scale* marker Water temperature marker*(Color Variable range changes with marker(green) HUE setting.) w/depth readout Color bar All indications and markers are displayed in white unless noted otherwise. Depth Requires external equipment. 1-3
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2.BASIC OPERATION 2.1 Turning the Power On/Off Turn the [MODE] switch clockwise to turn the power on. The unit starts with the settings used before it was turned off last time. To turn the power off, turn the switch fully counterclockwise. 2.2 Adjusting Brilliance Use the [BRILL] key to adjust the brilliance. The selected brilliance level is shown on the display as below. There are six levels of brilliance including off. BRILL:0 2.3 Display Mode Selection, Description 2.3.1 Display mode selec
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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 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
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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. This mode expands selected area of the normal picture to Normal full vertical size of the screen on the left-half window. You display may specify the portion to expand with the VRM (Variable Variable range Range Marker), which you can shift with [ ]or [ ]. The marker(green) area between the VRM and
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2.4 Adjusting Gain The [GAIN] control adjusts the sensitivity of the receiver. Adjust 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 Gain too low 2.5 Automatic Operation Automatic operation is useful when you are preoccupied with other tasks and do not have time to adjust the disp
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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 horizontally on the screen and a slow advance speed will contract it. 1.Press the [BRILL] and [AUTO] keys together. The display should look something like the one below. The fraction shown on the display denotes number of scan lines produced per
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Operate the [RANGE] switch and the display shown below appears. Adjust the [RANGE] control again to select a basic range. RANGE: 30 Note:The [RANGE] switch is inoperative when the auto function is active. 2.7.2 Range shifting The basic range may be shifted up or down with the [SHIFT] keys ([+],[-]). Press a [SHIFT] key and the display shown below appears. Press a [SHIFT] key again to select the amount of shift. SHIFT: 0 Note 1: The maximum shift range is 1000 feet (300 m). However, actual rang
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2.9 Measuring Depth to a Fish School The VRM (Variable 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 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 t
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2.11 Menu Operation The menu, consisting of the main menu and system menus, contains less often used functions which do not require frequent adjustment. 2.11.1 Menu selection 1.Set the [MODE] switch in the MENU1 position. 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 *A shown when auto mode in 0* (0 - 3) active. ZOOM MODE (B.LOCK) M/Z B/L B/Z
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2.Set the [MODE] switch in the MENU2 position. 3. To go to page 2 of the system menu, select B/L RANGE with [ ] and press [ ] again. SYSTEM MENU SYSTEM MENU DEPTH : m ft fa PB ZOOM MARK : OFF ON SPEED : kt MPH KPH F/A LEVEL: WEAK MED STRG TEMP : RANGE1: 15 RANGE2: 30 RANGE3: 60 RANGE4: 120 / :TO SELECT ITEM. RANGE5
