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CH-250 manual
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118 pages, 1.48 Mb
COLOR LCD SEARCHLIGHT SONAR
CH-250
Contents
Main
*00080894802**00080894802*
*OME13160L00**OME13160L00*
i
SAFETY INSTRUCTIONS
WARNINGWARNING
ELECTRICAL SHOCK HAZARD
WARNINGWARNING
CAUTION
TFT LCD
CAUTION
TABLE OF CONTENTS
2. HORIZONTAL MODE .........................................................................2-1
3. VERTICAL FAN MODE....................................................................... 3-1
iv
4. ECHO SOUNDER MODE ...................................................................4-1
5. MENU OPERATION............................................................................ 5-1
6. MAINTENANCE, TROUBLESHOOTING ...........................................6-1
FOREWORD
Features
vi
Usage Precautions
vii
SYSTEM CONFIGURATION
Page
1-1
1. OPERATIONAL OVERVIEW
1.1 Control Description
Figure 1-1 Control unit
1-2
1.2 Remote Controller
1-3
1.3 Turning the Power On/Off
1.3.1 Power on
1.3.2 Power off
1-4
1.4 Raising, Lowering the Transducer
CAUTION
1.4.2 Raising the tr ansducer
1.5 Adjusting Screen Brilliance, Panel Dimmer
1-6
1.6 Selecting a Display
NAV DATA
Key Key
VERTICAL FAN
ECHO SOUNDER
1.7 Adjusting the Gain
1.8 Basic Menu Operation
1-8
2-1
2. HORIZONTAL MODE
2.1 Operational Overview
The figure below shows the typical horizontal mode operating sequence.
Figure 2-1 Control panel
2.2 Typical Horizontal Mode Display
Sweep indicator (Shows train position in horizontal mode.)
2.3 Selecting the Range
2-4
2.4 Selecting Sector Width
One-touch selection of 360
sector
2.5 Selecting Train Center
2.6 Selecting the Tilt Angle
2-6
2.6.1 Bottom echo and tilt angle
2.6.2 How to discriminate fish echoes from the bottom
Points to consider
2.6.3 Tilt angle for surface fish
2-8
2.6.4 Suitable tilt angle
Vertical width of sonar beam
Depth (m)
Tilt angle and beam coverage (frequency 60 kHz, vertical beamwidth 12 at -3 dB)
Figure 2-9 Tilt angle and beam cov er ag e
2.7 Selecting the Training Speed
2.8 Finding Echo Position with the Cursor
2-10
2.9 Event Marker
2.9.1 Inscribing the event marker
2.9.2 Deleting all event markers
2.10 Depth and Horizontal Range Markers
2-12
2.11 Adjusting the Picture
2.11.1 Suppressing bottom and surface reflections
2-13
2.11.2 Suppressing bottom tail
2.11.3 Displaying weak echoes clearly
2-14
2.11.4 Erasing weak echoes
2-16
2.11.5 Enlarging fish echoes (expand horizontal display)
2.12 Target Lock
2.12.1 Setting target lock mode
2.12.2 Manual reserve mode
2-18
2.12.3 Position mode
Target lock indicator
Target lock marker
2.12.4 Echo mode
Automatic echo tracking mode
2-20
Manual echo tracking mode
2.13 Horizontal Menu Overview
2.13.1 Horizontal menu description
2-22
2.14 Interpreting the Horizontal Display
2.14.1 How the horizontal mode picture is painted
2-24
2.14.2 Sample echo displays
Bottom echoes
Figure 2-21 Bottom echoes
2-25
Fish schools
Figure 2-22 Fish schools
2-26
Sea surface reflections
Wake
Sidelobe echo (false echo)
Noise and interference
2-28
2.14.3 Combination display examples
Horizontal/history display
2-29
Horizontal/video plotter display
k e y to display the horizontal/video plotter display.
2-30
Horizontal/strata display
2-31
Color bar for the strata dis play
Flat bottom and strata display
2-32
Projection in fore direction and strata display
Depth becoming shallower gradually in fore direction and strata display
Depth becoming deeper gradually in fore direction and strata display
3. VERTICAL FAN MODE
3.1 Operational Overview
The figure below shows the typical vertical fan mode operating sequence.
Figure 3-1 Control panel
3.2 Typical Vertical Fan Mode Display
Figure 3-2 Typical vertical fan mode display
3.3 Selecting the Range
3-4
3.4 Selecting Train Center
3.5 Selecting Display Sector
One-touch selection of 180
3-6
3.6 Selecting Sector Center
Automatic shifting of own ship position
3.7 Selecting the Training Speed
3.8 Finding Echo Position with the Cursor
3-8
3.9 Event Marker
3.9.1 Deleting all event markers
3.10 Depth and Horizontal Range Markers
3-10
3.11 Adjusting the Picture
3.11.1 Displaying weak echoes clearly
3.11.2 Suppressing noise and interference
3-12
3.12 Vertical Menu Overview
3.12.1 Vertical menu description
3.13 Interpreting the Vertical Fan Display
3.13.1 How the vertical fan mode picture is painted
3-14
3.13.2 Sample echo displays
Port-starboard picture (bottom )
When ship passes over fish schools
Display of net hauling
False echo
3-16
3.13.3 Horizontal/vertical fan display
TRAIN control
3-17
SECTOR control
Page
4-1
4. ECHO SOUNDER MODE
4.1 Operational Overview
The figure below shows the typical echo sounder mode operating sequence.
Figure 4-1 Control panel
4.2 Typical Echo Sounder Display
Press the key to display the echo sounder picture.
6.5 m 12. 3C
Figure 4-2 Typical echo sounder di spl a y
4.3 Selecting the Range
4-4
4.4 Train Direction
4.5 Selecting Tilt Angle
4.6 Selecting Picture Advance Speed
4.7 Measuring Range by Cursor
4.8 Event Marker
4-6
4.8.1 Inscribing the event marker
4.8.2 Deleting all event markers
4.9 Range Marker
4.10 Adjusting the Picture
4.10.1 Displaying weak echoes clearly
4-8
4.10.2 Finding echo strength (A-scope display)
4-10
4.11 Echo Sounder Menu Overview
4.11.1 Echo sounder menu descri pt i on
Page
Page
5-1
5. MENU OPERATION
5.1 COM1 Menu
5-2
5.1.1 COM1 menu description
5.2 COM2 Menu
5.2.1 Displaying the COM 2 menu
COM2 menu
5.2.2 COM2 menu description
5.3 Short-cut Menu, Preset Menu
5.3.1 Selecting short-cut or preset
5-5
Figure 5-3 System menu 5. Press to open the SYSTEM SETTING menu.
Figure 5-4 System setting 1 menu 6. Press or to select CUSTOM KEY.
5-6
5.3.2 Preset key
Activating custom mode
5.3.3 Short-cut key
Activating a short-cut key
5-8
VERTICAL SEARCH FUNCTION
5.4 SYS Menu
5-10
SYSTEM SETTING 1 menu
SYSTEM SETTING 1 menu description
Page
5-12
SYSTEM SETTING 2 menu description
Page
5-14
5.4.2 Sonar (horizontal) mode range settings
5-16
5.4.3 Vertical fan mode range settings
5.4.4 Echo sounder mode range settings
5-18
5.4.5 Track range settings
Figure 5-16 Range-track mode menu
5.4.6 Color palette
5-20
5.4.7 Language
5.4.8 System backup
5.4.9 Loading backup data
5.4.10 Transducer frequency adjustment
5.4.11 Demonstration mode
5-22
5.4.12 Restoring all default settings
CAUTION
6. MAINTENANCE, TROUBLESHOOTING
WARNING
6.1 Preventive Maintenance
6.2 Cleaning the Equipment
6-2
6.3 Hull Unit Maintenance
6.3.1 Lubrication
6.3.2 Manually raising, lowering transducer
WARNING
6.4 Transducer Maintenance
CAUTION
6.5 Fuse Replacement
CAUTION
6-4
6.6 Troubleshooting
6-5
6.7 Error Messages
6-6
6.8 Diagnostics
Page
6-8
6.9 Test Pattern
M-1
MENU TREE
M-2
SPECIFICATIONS OF 10.4 INCH COLOR LCD SEARCHLIGHT SONAR CH-250
1 GENERAL
2 DISPLAY/ CONTROL UNIT
3 TRANSCEIVER UNIT
4 HULL UNI T
5 I/O INTERFACE
6 POWER SUPPLY
7 ENVIRONMENTAL CONDITION
8 COATING COLOR
Page
INDEX
IN-2