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Summary of Contents for Koden CVS-118Mk II
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Page 4: Table Of Contents
Table of contents Important Notice ........i OPERATION MENU 2/3 ......... 16 1.Selecting a color tone for the image display ... 16 Echo sounder-How it works- ....1 2.Changing the background color ....16 3.Turning on or off the alarm, and selecting Name ...........2 the bottom or fish alarm ...... -
Page 5: Echo Sounder-How It Works
Echo sounder - How it works- The echo sounder consists of a display unit and a transducer with specified frequencies (or a transducer with speed/temperature sensor.) An electronic pulse signal is generated in the transmitter section of the display unit. When coupled to the transducer, this signal is converted into an ultrasonic signal and is transmitted toward the bottom. -
Page 6: Name
Name Control panel Front 5.6 inch LCD Knob Mounting bracket Rear SER DATA GPS/Loran C navigator Triducer with TEMP/SPEED sensor (6 pin) (8 pin) BUZZER Standard transducer connector (3 pin) Ground Note: Do not connect the transducer cable to both the STD and TRI connectors, otherwise malfunction may occur. -
Page 7: Getting Started
Getting started Displaying the normal image The normal image consists of two types, the fixed range and auto range. If you select the fixed range, the image is displayed on the screen within the extent between water surface and the predetermined range (depth). In the auto range, on the other hand, sea bottom is constantly kept on the screen and if water depth changes, the range is automatically switched accordingly. - Page 8 Adjusting gain 1. Adjust the gain so that the bottom surface is displayed in the strongest echo color and the color becomes weaker the higher it goes on the screen. Use care so that the strongest echo color may not cover an excessively wide area. 2.
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Page 9: Shifting The Depth Range
Shifting the depth range The normal image consists of two types, the fixed shift and auto shift. If you select the fixed shift, the image is displayed on the screen within the extent between the predetermined depth (Shift position) and the also predetermined range. In the auto shift, on the other hand, sea bottom is constantly on the lower part of the screen and if water depth changes, the image is automatically shifted to the direction of depth change. -
Page 10: Selecting Multiple Image
Selecting multiple image Pressing the key changes the screen in the following sequence. kHz: Transmission frequency Normal Normal/Bottom Bottom zoom Normal/ zoom Normal(low)/ (hight) lock or bottom discrimination Pressing both sides of the key alternately selects the high and low frequency for the display. -
Page 11: Displaying The Zoom Image
Displaying the zoom image The zoom function allows you to view a desired image in an enlarged size. Two types of zoom images are available. One is the partial zoom which provides an enlarged image of the pre-specified range and the others the bottom zoom in which the bottom is constantly displayed on screen. The bottom zoom comes in three styles, namely the fixed bottom zoom, bottom quality zoom and partial bottom zoom. -
Page 12: Switching The Zoom Position
Switching the zoom position Pressing the key sequentially changes the zoom image. This switching is not available when the bottom lock, bottom discrimination or partial bottom zoom is turned Note on because the zoom position is used as reference of the bottom. -
Page 13: Turning On Or Off Displaying Of The A-Scope
Turning on or off display of the A-scope This function is used for displaying the fish image in A-scope so that you may quickly identify movement of the target fish. Display in A-scope Press to display the word A-SCOPE in right side of the screen. Deleting the A-scope Press the key once. -
Page 14: Storing Event Data
Storing event data The following event data is storable by pressing the key. Boat position....Position data from the connected navigation system is stored. Bottom depth....Bottom depth is stored. Water temperature...Water temperature is stored. Before it can be stored, water temperature data must be entered externally or from the water temperature sensor (option). -
Page 15: Menus
Menus Type of menus The echo sounder has the following menu’s: INITIAL MENU (1/2 and 2/2 pages), MENU (1/3,2/3 and 3/3 pages) consisting of five different screens. Calling the menu Initial menu : Press the key while holding down the key. -
Page 16: Switching The Split Screen Layout Between Horizontal And Vertical Display
Switching the split screen layout between horizontal and vertical display You can select the horizontal or vertical layout for DISP.LAYOUT displaying the split screen image. Switching the peak hold PEAK HOLD Peak Hold: A video processing method, which compares the echoes generated from two consecutive transmissions and outputs the largest echo signal. -
Page 17: Correcting A Displayed Boat Speed
Correcting a displayed boat speed SPEED CORR.(-50~+50%) When the water temperature/speed sensor ST-80/90/100 is connected, you can correct currently displayed boat speed data Selecting a water temperature data source TEMP DATA INTERNAL EXTERNAL TRI connector and SER DATA connector are provided on the rear side of the incoming signal indicator unit. Both of them accept water temperature data. -
Page 18: Operation Menu 1/3
OPERATION MENU 1/3 The following operations are available from 1/3 of the Menu: 1. Adjusting the operation panel illumination 2. Turning On or Off the enlarged Character Display. 3. Deleting interferences from other boats. 4. Displaying the white line on the bottom surface. 5. -
Page 19: Eliminating Undesired Colors
5. Eliminating undesired colors COLOR REJ. Noise interference can be displayed on the screen in pale blue, white or pale green. You can eliminate such noise by sequentially deleting the display colors starting with left side. You can check changes in the display colors from the rainbow pattern that appears on the left side of the fish finding screen. -
Page 20: Operation Menu 2/3
OPERATION MENU 2/3 The following operations are available from 2/3 of the Menu: 1. Selecting a color tone for the image display. 16 8 2. Changing the background color. 3. Turning on or off the alarm, and selecting the bottom or fish alarm. -
Page 21: Setting The Magnitude (Color) Of Fish Image Signal For Activating The Fish Alarm
6. Setting the magnitude (Color) of fish image signal for activating the fish alarm You can set a magnitude of fish image signal for activating the fish finder alarm. The alarm is activated when schools of fish having the magnitude (color) of the signal indicated in the left most part comes inside the specified depth range. -
Page 22: Operation Menu 3/3
OPERATION MENU 3/3 The following operations are available from 3/3 of the Menu: 1. Adjusting the effect of auto gain. 2. Displaying boat position when a navigator is interfaced. 3. Selecting unit of boat speed. 4. Selecting unit of water temperature. 5. -
Page 23: Troubleshooting
Troubleshooting 1.Make sure that the display unit; triducer, and power cable are correctly installed as instructed. 2.Press POWER ON key; adjust GAIN until the bottom image is displayed in red. Adjust screen brightness for comfortable brightness. 3.If nothing happens after turning on, check power cable connection, power cable, fuse, and power source again. -
Page 24: Standard Equipment
Standard equipment Article Type Remarks Weight/length Quantity Display unit 2.2kg CVS-118MkⅡ With mounting bracket, knobs, hood and cover DC power cable CW-205-1 With 2-pin connector Fuse F7142, 3A For spare Truss tapping screws TPT5 x 20U For display unit mounting Operation manual English Essential option... -
Page 25: Installation
Installation Mounting display unit The bracket with slot facing toward you should be Hood installed on a flat and solid surface for maximum stability. Overhead mounting is also possible. Position the bracket, mark and drill four (4) holes. Securely screw it. Place the display in the bracket and secure it to the bracket ... -
Page 26: Technical References
Technical References Serial input data Data format: NMEA0183 / NMEA0182 /DC400 Details of input sentences Description Contents of data field Checksum: All data before the asterisk (*) except$ characters are EX-ORed and used. GPS Position data Ver. $ - - GGA, , xxxx.xxx, N/S, xxxxx.xxx, E/W, x, , , , , , , , , *hh <CR><LF> 1.5/2.0 Longitude Sentence... -
Page 27: Serial Output Data
Description Contents of data field Checksum: All data before the asterisk (*) except$ characters are EX-ORed and used. Water temperature Ver.1.5 MTW, xx, C *hh <CR><LF> Checksum Sentence name Temperature(℃) Talker device code Start of sentence Course and water speed Ver.1.5 $ - - VTG, xxx.x, T, , , xx.x, N, , a *hh <CR><LF>... - Page 28 Description Contents of data field Checksum: All data before the asterisk (*) except$ characters are EX-ORed and used. Depth (With transducer offset, surface to the bottom) Ver.2.0 $ SD DPT, xxxx.x, xxxx.x, *hh <CR><LF> Sentence Draft level (m) name Depth (feet) Checksum Talker device code Start of sentence...
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Questions and answers
Buongiorno non riesco a visualizzare il fondale in quanto nello schermo mi appare soltanto delle x
The Koden CVS-118Mk II screen may display only Xs instead of the background due to incorrect display color settings or interference. The manual suggests eliminating such noise by sequentially deleting display colors starting from the left side and checking changes in the rainbow color bar on the left side of the screen. Adjusting color rejection and interference rejection settings may also help resolve the issue.
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