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JMA-2353
JRC JMA-2353 User Manual
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Chapter 7
SPECIFICATIONS
7.2
SCANNER
7-5
7
INSTRUCTION MANUAL
(11) Front End Module
MIC
(12) Intermediate Frequency Amplifier
Intermediate Frequency:
60MHz
Band Width:
20MHz (0.08
μ
s, 0.13
μ
s)
6MHz
(0.25
s)
3MHz
(0.5
μ
s, 0.8
μ
s, 1.0
μ
s)
Gain:
More than 90dB
Amplifying Characteristics:
Logarithmic Amplifier
(13) Overall Noise Figure
6dB (Average)
(14) Tune
AUTO/MANUAL
184
186
Table of Contents
Preface
7
Before Operation
8
Precautions
9
Warning Label Mounting Point
13
Equipment Appearance
16
Table of Contents
17
Chapter 3 True and False Echoes on Display
19
Glossary
21
Chapter 1 GENERAL and EQUIPMENT COMPOSITION
27
Functions
27
Features
28
Configuration
29
Exterior Drawings
31
General System Diagrams
34
Chapter 2 OPERATIONS
35
Screen Display
35
Panel
36
Power On/Off
38
Sensitivity Adjustment
40
Sea Clutter Suppression
42
Rain/Snow Clutter Suppression
45
Soft Key Operation
48
Measuring Target Bearing (Ebl)
56
Measuring Range to Target (Vrm)
58
Setting Vectors
60
Vector Modes
62
Displaying Other Ship's Tracks (Radar Trails)
63
Ais Operations
65
Tt Operations
70
Displaying the Radar Alarm and Automatic Acquisition Operations
78
Setting Display Brilliance
84
Adjusting Scanner
85
Setting Display Screen
87
Switching to True/Relative Motion Display Mode
91
Switching Bearing Display Mode
93
Selecting Transmitter Pulse Length
95
Moving Own Ship's Display Position
97
Setting Symbol Display
98
Setting Mob
99
Marking
100
Using Lines
101
Displaying Own Ship's Track
102
Using Event Marks
103
Setting Ais Filter
104
Using Tll Tx
105
Basic Menu Operations
106
Radar Echo Settings
110
Setting Radar Interference Rejection
110
Setting for Enhancing Targets
111
Process
112
Zooming
113
Video Latitude
113
Video Noise Rejection
114
Marker Setting
115
Setting Operations for Ebls (Electronic Bearing Lines)
115
Setting Cursors
117
Setting Range Rings
118
Brilliance
119
Control Setting
121
Displaying True/Relative Motion
121
Setting User Keys
122
Adjusting Buzzer Volume
123
Setting Tt/Ais
125
Collision Avoidance
125
Preparation
128
Setting Target Number Display
129
Setting Target Number Allocation
130
Setting Ais Alarm
131
Setting Ais Display Target
132
SETTING AIS DESTINATION SHIP (Directrak TM )
132
Setting Ais Retrieved Vessel
133
Setting Ais Filter
134
TT Target All Clear
134
Setting Detection Levels of Radar Alarm
135
Plotter Unit
136
Displaying Waypoint Marks
136
Displaying Own Ship's Track
137
Setting Timed Tx
138
Chapter 3 TRUE and FALSE ECHOES on DISPLAY
141
Radar Wave with the Horizon
141
Reflection from Target
143
Sea Clutter and Rain and Snow Clutter
144
Sea Clutter
144
Rain and Snow Clutter
144
Coping with Sea Clutter and Rain and Snow Clutter
144
False Echoes
145
Shadow
145
Side Lobe Effect
145
False Echo by Secondary Reflection
145
False Echo by Multiple Reflection
146
Second Time Echoes
146
Radar Interference
147
Display of Radar Transponder (Sart)
148
Chapter 4 MAINTENANCE
149
Routine Maintenance
149
Maintenance on each Unit
150
Scanner Unit Nke-2043, 2063
150
Display Unit Ncd-2237
153
Performance Check
154
Test Menu
155
System Information
155
System Time
156
Scanner Information
156
Hardware Information
157
Error Log
157
Line Monitor
159
Self Test
160
Replacement of Major Parts
164
Fault Finding
165
List of Alarms and Other Indications
165
Fuse Checking
172
Trouble Shooting
173
Included Accessories
173
Special Parts
175
Circuit Block to be Repaired
176
Chapter 5 AFTER-SALES SERVICE
177
Keeping Period of Maintenance Parts
177
When You Request for Repair
177
Recommended Maintenance
177
Chapter 6 DISPOSAL
179
Disposal of the Unit
179
Disposal of Used Magnetron
180
CHINA Rohs
180
Chapter 7 SPECIFICATIONS
181
General Specifications
181
Scanner
182
Nke-2043
182
Nke-2063
184
Display Unit
186
Integrated Display Unit (Ncd-2237)
186
Operation Panel
188
Ais Function
188
Tt Function
189
Input/Output Signal
190
Input Enable Signal
190
Output Enable Signal
190
Standard Configuration
191
Appendix
193
Index
207
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JRC JMA-2353 Specifications
General
Brand
JRC
Model
JMA-2353
Category
Marine Radar
Language
English
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