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CSH-5 MARK-2
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Event Mark Position Output
Connected to a navigator, the CSH-5 MARK-2 can output event mark
position data to external equipment when the [EVENT] key is oper-
ated. The data sentence output is "SSTLL" (NMEA, IEC-1162 for-
mat).
Contents
Main
PUB. No. OME-12990
FIRST EDITION : NOV. 1995 E : DEC. 6, 2000
iiiiiiiiiiiii
i
SAFETY INSTRUCTIONS
ELECTRICAL SHOCK HAZARD
ii
CAUTION
CAUTION
TABLE OF CONTENTS
Page
1. FOREWORD
Page
3. CONTROLS
Operating Controls
Main Panel
Control Box Panel
Page
Menu Screen
Recalling Scan Menu
** SCAN MENU ** ( RANGE SW : U/D GAIN SW : L/R )
Changing Setting
Turning Off Scan Menu
** SCAN MENU ** ( RANGE SW : U/D GAIN SW : L/R )
Page
4. BASIC OPERATION
Basic Operating Procedure
Turning the Power On/Off
Power On
Power Off
Lowering the Transducer
Selecting a Display Range
Setting the Tilt Angle
Seabed Echo vs Tilt Angle
Example of How to Discriminate Fish Echoes from the Seabed
Points to Consider
Tilt Angle for Surface Fish
Suitable Tilt Angle
TILT ANGLE
Range m
Vertical Width of Sonar Beam
Depth
m
Page
5. FINE TUNING THE PICTURE
Eliminating Unwanted Feeble Echoes
TVG Setting Procedure
Displaying Surface Fish Clearly
Suppressing Seabed Tail
AGC Control
PL (Pulselength)
Suppressing Seabed and Sea Surface Reflections in Shallow Fishing Grounds
Rejecting Sonar Interference and Noise
Identifying Noise Source
Rejecting Noise with IR Control
Rejecting Noise with NOISE LIM Control
Selecting Horizontal Beamwidth
Selecting Vertical Beamwidth
6. ADVANCED OPERA TION
Measuring Range and Bearing to a Target
Detecting Fish Schools Aurally
Relocating Fish School for Easy Observation
Finding Fish School Center
Registering F1/F2 (function) key and Recalling
Default setting
Registering Procedure
For detection of bottom fish
For detection of midwater fish
Recalling Procedure
1. Press F1 or F2. Presetting function is recalled and function indi- cation (LED lamp) lights.
7. MARK AND DATA
Marks
Data
.
8. INTERPRETING THE DISPLAY
This section provides information necessary for interpreting the display.
Interpreting the Display
Seabed
(a) Flat Seabed Tilt Angle: 10 - 15
Fish School
(a) Sea Surface Fish Tilt Angle: +5 - 10Because of
(b) Midwater, Bottom Fish Fish echo appears before seabed echo Tilt Angle: 30 or more
Fish School Seabed
Fish echo appears together with or after seabed echo Tilt Angle: 0 - 20
Sea Surface Reflections
Wake
False Echo by Sidelobe
Noise and Interference
9. WARNING
Overvoltage Warning
OVERVOLTAGE!
Unretracted Transducer Warning
XDCR NOT RETRACTED!
Page
10. MENU
Changing Menu Settings
Procedure to Change Menu Settings
Menu-1
Menu-2
System Menu
Page
11. INTERFACE MODULE CSH-5060
Specifications
1. Display Mode
2. Display Mark
3. Numeric Information
Operation
1. Event Mark and Own Ship Mark
2. Target Lock Mark
3. Erasing Weak Noise
4. Suppressing Effects of Pitching and Rolling
5. Detecting Fish Echoes in Specific Area (Fish Alarm)
6. Fish Alarm On/Off, Fish Alarm Sensitivity
7. Menu Screen
8. Menu Description
9. Menu Screen Indications
MENU-2
SYSTEM MENU
SCAN MENU
E/S MENU
10. Contents of Menu Items
E/S Menu
Page
Indications
1. Normal Mode (NORM)
2. Normal + Text Mode
Page
Page
Marks and Data
Page
12. MAINTENANCE
13. UNIT DIAGNOSTIC TESTS
Turning-on/off Diagnostic Test
Description of Unit-diagnostic Tests
Single Test
Conti Test
: 0635 e 107kHz 0644 e 85kHz
Panel Test
This test checks the controls on the front panel and the control box for proper operation.
SIO Test
Color Test
The color test checks for proper display of all colors.
COLOR TEST
Echo-1 Test
The echo-1 test checks echo processing circuits in the display unit for proper operation.
Gray Test
Echo-2 Test
14. CHARACTERISTICS OF THE ULTRASONIC WAVE IN WATER
Sound Velocity
Absorption and Attenuation
Refraction
Adverse Effect of Air Bubbles
Reflection at Seabed and Fish School
Page
SP-1
SPECIFICATIONS
1. Display
2. Display Color
3. Numeric information
4. Range/Pulselength
5. AUDIO SEARCH
6. Transmitter/Receiver
7. Tilt Angle
8. Hull Unit
9. Other Features
INDEX
A
C
D
E
Index-2
S
T
W