MODEL CSH-53
COLOR SCANNING SONAR
DAMI CSH-53
00080807301 00080807301
OME13070E00 OME13070E00
Pub. No. OME-13070
Do not place liquid-filled containers on the top of the equipment
SAFETY INSTRUCTIONS
Do not open the equipment
Do not disassemble or modify the equipment
FOREWORD
TABLE OF CONTENTS
SYSTEM CONFIGURATION
FINE TUNING THE PICTURE
SAVING, REPLAYING PICTURE
FUNCTION KEYS
ADVANCED LEVEL OPERATION
PORT/STARBOARD, HORIZONTAL SLICE DISPLAYS
INPUT DATA SELECTION
MAINTENANCE
WARNINGS
SELF TESTS
Features
FOREWORD
A Word to CSH-53 Owners
System Configuration
STANDARD
OPTION
Same as Sub-panel
Control Layout on Display Unit, Processor Unit and Remote Control Box
CONTROL DESCRIPTION
Figure 1-1 Display unit, processor unit and remote control box
Control
Main Panel
Figure 1-2 Main panel
Main panel control description
Function
Control
Function
Sub Panel
Figure 1-3 Sub panel Sub panel 1 control description
Control
+ + +
Sub Panel 2 data setting window
7 8
+ + +
Main
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Setting
Setting
Description
Setting
Setting
Main
Figure 1-5 Remote control box
Remote Control Box
Turning the power off
Turning the Power On/Off
Adjusting Screen Brilliance, Control Panel Backlighting
Turning the power on
Description
Selecting a Display Mode
Table 2-1 Display mode description
Mode
Setting the Tilt Angle
Selecting a Display Range
Seabed echo and tilt angle
How to discriminate fish echoes from the seabed
Figure 2-1 Fish echo and tilt angle
Points to consider
Figure 2-2 Tilt angle and sea surface reflections
Tilt angle for surface fish
Figure 2-3 Tilt angle and beam coverage
Suitable tilt angle
Figure 2-5 Location of range and bearing indications
Adjusting the Gain
Figure 2-4 Gain settings and resulting picture
Measuring Range and Bearing to a Target
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Figure 3-1 Principle of TVG
FINE TUNING THE PICTURE
How to adjust TVG
Eliminating Unwanted Feeble Echoes
4. When sea surface reflections or plankton layers disturb the picture, decrease appropriate TVG option by one or two steps by pressing - minus key
Suppressing Seabed Tail
AGC data setting window SIGNAL, SIGNAL PROCESS
Pulselength data setting window TVG TX, PL
2AGC data setting window SIGNAL, SIGNAL PROCESS
Identifying noise source
Data setting window TVGTX, OUTPUT
Suppressing Seabed and Sea Surface Reflections in Shallow Waters
Rejecting Sonar Interference and Noise
Interference rejector data setting window SIGNAL, SIGNAL PROCESS
Changing Tx cycle data setting window TVGTX CYCLE
Figure 3-3 How CYCLE works
Noise limiter data setting window SIGNAL, SIGNAL PROCESS
Setting F-shift data setting window SONRBEAM SONAR
MARKS AND DATA
Marks, Data and Display Mode
Normal display mode
Figure 4-1 Marks and data appearing in the normal display mode
Echo sounder combination display
Normal display mode w/text
Figure 4-2 Marks and data appearing in the normal display mode w/text
Figure 4-3 Marks and data appearing in the echo sounder display mode
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Figure 4-4 Marks and data appearing in the history display mode
Permanently Displayed Marks and Data
History display
Description
Erasable Marks and Data
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Mark/Data
Latest Fish Mark
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Mark/Data
Description
Estimate mark
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Mark
Description
Mark
Description
10 pts. max
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MENU OVERVIEW
USER Menu Operation
Figure 5-1 USER menu
Menu screen location and display mode
Figure 5-3 Menu screen location and display mode
Figure 5-2 HIST DSP/GRPH menu
Menu
USER Menu Description
Table 5-1 User menu description
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Menu
Menu Item
Description
Menu
SYSTEM Menu Description
The SYSTEM menu can be displayed by pressing MENU + c
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Menu
Description
Description
Menu
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DATA SET Menu Description
Color curve setting is completed
To cancel change and close the menu, press END key
Description
Color curve setting is completed
To cancel change and close the menu, press END key
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Menu
Description
5-10
Description
INIT SET/TEST Menu Description
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Menu
5-12
Menu
Description
FUNCTION KEYS
Programming the Function Keys
Figure 6-1 FUNCTION KEY menu
Function Key Fine Tuning
Replaying a Function Key
Figure 6-2 REGISTER menu
Saving Function Key Settings to a Memory Card
Replaying Function Key Settings from a Memory Card
Figure 6-2 CARD UTILITY menu
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Finding Fish School Center
Figure 7-1 Tilt angle setting
How to find fish school center
ADVANCED LEVEL OPERATION
Tracking a Fish School target lock
Tracking a fish school
Figure 7-2 Target lock mark and target lock data
Erasing target lock mark
Choosing target lock mode
Target lock mark appearance
Figure 7-3 Target lock mark appearance
Figure 7-4 Target lock and tilt angle
Tracking target lock mark
Figure 7-5 Target lock menu
Setting target lock conditions
Description of target lock items
Detecting Fish Schools Aurally
Figure 7-6 How to set the fish alarm zone
The Fish Alarm
Relocating Fish School for Easy Observation
Figure 7-7 How to relocate fish schools
Figure 7-8 Estimate marks and their data
Comparing of Fish School Concentration
Measuring Fish School Speed
Figure 7-9 How to measure fish speed
Figure 7-10 Event marks
The Event Mark
Entering an event mark
Figure 7-11 Event mark description
Erasing an event mark
Figure 7-12 True motion display
True Motion Display
Figure 7-13 Net location mark
Plotting Net Location Mark
Figure 7-14 Net behavior
Observing Net Behavior
Reducing Sea Surface Reflections
Boosting Tx Power
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Port/Starboard display
Figure 8-1 Port/starboard display
PORT/STARBOARD, HORIZONTAL SLICE DISPLAYS
Figure 8-2 Horizontal slice display
Horizontal slice display
Initializing Memory Cards
SAVING, REPLAYING PICTURE
Transferring Echo Data from Internal Memory to Memory Card
Saving the Picture
Transferring net shooting data to memory card
Net shooting data contents
Saving Net Shooting Data
How net shooting data is saved
Net shooting data
Deleting Memory Card Contents
Replaying Saved Data
Whole picture or echo inside estimate mark
10-1
Turning marks on/off through the data setting window
TURNING MARKS, DATA ON/OFF
Turning marks on/off through the user menu
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INTERPRETING THE DISPLAY
Seabed Echoes
Figure 11-1 Seabed echoes
Figure 11-2 Fish schools
Fish Schools
Figure 11-4 Wake appearance on the display
Sea Surface Reflections
Wake
Figure 11-3 Sea surface reflections
Figure 11-6 Noise and interference
False Echo by Sidelobe
Noise and Interference
Figure 11-5 Sidelobe echoes
WARNINGS
Overvoltage Warning
Unretracted Transducer Warning
12-2
Figure 12-1 Raise/Lower Control Box of the Hull Unit
13-1
SELF TESTS
DANGER
Opening the Self Test Menu
Continuous test
Self Test Description
Single test
Figure 13-2 Single test
Figure 13-5 Color test
Panel test
Figure 13-4 Panel test
Color test
Figure 13-7 SIO test
Gray test
Figure 13-6 Gray test
SIO test
Figure 13-8 Interface unit CS-120A, cover opened
Interface Unit CS-120A Self Test
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14-1
Figure 14-1 DIP switch settings in the interface unit
INPUT DATA SELECTION
Selection of Data on Interface Unit CS-120A
Figure 14-3 Data set menu
Setting Distances Between Net Sonde Transmitters
Figure 14-2 How to measure distances between transmitters
How to set net sonde transmitter distances
Figure 15-1 Display Unit Mmaintenance
MAINTENANCE
Display Unit Maintenance
15-1
Hull Unit Maintenance
Figure 15-2 Hull Unit Maintenance
15-2
How to Replace
Replacement of Fuse, Memory Card Battery
Fuse replacement
15-3
Memory card battery replacement
15-4
How to replace the battery in the memory card
USER Menu
MENU TREE
DATA SET Menu
INIT SET/TEST Menu
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SYSTEM Menu
Continued from
previous page
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SPECIFICATIONS
1. GENERAL
SP-1
SP-2
2. DISPLAY
6. COATING COLOR
4. POWER CONSUMPTION
3. HULL UNIT
5. ENVIRONMENTAL CONDITION
INDEX
CARD UTILITY
CARD ECHO DAT
CARD NET DATA
FUNCTION KEY
DATA DISPLAY
MARK DSP 1
MARK DSP 2
HIST DSP/GRPH
CURRENT VEC
SAVE PICTURE
Save
Delete
Initialize
Register
Event Mark 1
Event Mark 2
Fish Mark
On Track Data
Text Window
ES Window
Range/Bearing
Heading Mark
Range Rings
Bearing Scale
Auto Scan Width
Auto Train Width
Ship's Track
Net Movement Plot
Fish MK Connect
Fish Tracking MK
Fish Track Plot
Hist Window Dsp 
Fish Histogram
w/Current Vec
w/Current Vec
w/Current Vec 
Current Flow Dir
Save Method