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JMA-3910-4
JRC JMA-3910-4 User Manual
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7 – 19
7.5
Table 7.7 Gyro Log Selection Switches (DIP switch S5)
1
SYNC
STEP
360X
Normal (NOR)
Reverse (REV)
PULSE
SYNCRO
800P/360X
400P/180X
200P/90X
100P/30X
180X
90X
36X
Gyrational direction
(DIRECTION)
Type
Pulse number
(PULSES/NM)
0
1
00
01
10
11
0
1
0
1
0
00
01
10
11
2345678
Gyro signal
(GYRO SIG.)
Log signal
(LOG SIG.)
183
185
Table of Contents
Default Chapter
3
Preface
3
Before Operation
4
Cautions to be Used During Operation
5
Precautions before Operation
6
Cautions for High Voltage
6
What to Do in Case of Electric Shock
6
First Aid Treatments
7
When Pulse Is Beating but Breathing Has Stopped
8
When both Pulse and Breathing Have Stopped
9
Equipment Appearance
10
Table of Contents
11
Glossary
17
1 General and Equipment Composition
21
Functions
22
Functions of this Equipment
22
Features
23
Composition
24
Configuration
25
General System Diagram
32
General System Drawing of Radar Type JMA-3910-4
33
General System Drawing of Radar Type JMA-3910-6
34
General System Drawing of Radar Type JMA-3925-6
35
General System Drawing of Radar Type JMA-3925-7
36
General System Drawing of Radar Type JMA-3925-9
37
2 Names and Functions of Control Panel Controls and Menu Composition
39
Names and Functions of Control Panel
40
Menu Composition
50
Menu Selection
50
Menu List
51
3 Basic Operation
57
Flow of Operation
58
Turning Power on and Starting the System
59
Tuning
60
Observation and Video Adjustment
60
Data Acquisition and Measurement
61
Ending Operation and Stopping the System
61
Preparation
62
Tuning [TUNE]
62
Adjusting Sensitivity [GAIN]
62
Adjusting CRT Brilliance [BRILL]
62
Suppressing Sea Clutter [SEA CLUTTER]
63
Suppressing Rain and Snow Clutter [RAIN CLUTTER]
64
Adjusting Brilliance
65
Selecting DAY ／ NIGHT Modes [DAY ／ NIGHT]
66
Setting Color
67
Background Color
68
Setting Radar Video and Trail Color
69
Rejecting Radar Interference
70
Adjusting Control Panel Brilliance [PANEL DIM]
70
Basic Operation
71
Using Trackball to Move Cursor
71
Using EBL (Electronic Cursor) [EBL]
71
Selecting Range Scales [RANGE]
74
Selecting Pulse Width [PULSE WIDTH]
74
Disabling Ship's Head Marker [SHM]
74
Using Parallel Index Line
75
Selecting Presentation Mode [BEARING]
77
Selecting True Motion ／ Relative Motion Display Modes [TM ／ RM] [TM RESET]
78
Changing Own Ship Display Position [OFF CENT]
80
Displaying Other Ship's Trails [TRAIL]
80
Displaying Fixed Range Ring [RANGE RINGS]
82
Displaying Variable Range Markers [VRM]
82
Using Alarm [ALARM]
84
Resetting Alarm [ACK]
86
Setting Alarm Sound Level
87
Enhancing Target
88
Setting Cross Cursor Length and Fixing Cursor Position
90
Displaying Ship's Stern Marker
92
Setting Range Unit in KM
93
Displaying Video Processing Screen
94
Zooming Display
96
Selecting Display Mode [MODE]
97
Using Electronic Plot (EPA)
97
Plotting Target
97
Deleting Plot
98
Modifying Plot
98
Displaying Plot Numerical Data
99
Plot Symbol
100
Setting Vector Display
101
Setting Vector Time
102
Displaying ／ Clearing Plot no
103
Setting CPA ／ TCPA
104
Turning Alarm Sound on ／ off
106
Displaying ／ Clearing CPA Ring
107
Displaying Date and Time
108
Displaying the Plain Radar Screen
110
Setting Echo Power
112
Using Function Key [FUNC]
113
Operation Method
113
Overview
113
Function Setting Items
114
Operation Outline of the Function Setting Items
115
Displaying the Chart
127
Displaying a C-MAP Marine Chart
127
Displaying Shoreline ROM Card Made by JRC
129
Displaying the ERC Card
130
Display the JRC Chart
131
Displaying the Contour of the Shoreline ROM Card by JRC
132
Displaying Own Ship Track
134
Changing Track Color [Combined Plotter]
134
Selecting Track Storing Interval
134
Stopping Track Storing
136
Deleting Track by Color (Using the [COLOR] Control)
138
Deleting Track by Color (Using Menu)
140
Displaying or Hiding Track by Color
142
4 Measurement
145
Measurement with Trackball
146
Measurement with Fixed Range Ring
147
Measurement with Electronic Cursor
148
Measurement between Two Optional Points of Target
149
5 True and False Echoes on Display
151
Radar Line-Of-Sight Range
152
Strength of Reflection from Target
154
Sea Clutters
154
False Echoes
154
Display of Radar Transponder
157
6 Maintenance
159
Routine Maintenance
160
Cleaning
160
Maintenance of each Unit
161
Scanner Unit NKE-1055 ／ 1056
161
Display Unit NCD-3780
163
7 Countermeasures for Trouble
166
Function Check
166
Testing Functions with Menu
166
Memory Test
167
Key Switch Test
168
Line Test
169
Sensor Test
169
ROM Version
170
ARPA Status
171
Error Logging
171
Magnetron Current, Running and Transmission Time
172
Failure Check
173
Troubleshooting
175
Replacement of Major Parts
177
Adjustment and Setting
182
NSK Unit Adjustment
182
Adjustment and Setting at Installation
185
Adjusting Tuning
185
Adjusting Bearing
186
Adjusting Range
187
Setting Antenna Height
188
Various Setting
189
Setting Own Ship Course Equipment
189
Setting HDG SENSOR Adjustment
190
Setting Own Ship Speed Equipment
192
Setting Screen Mode
193
Setting Fishing Boat ／ Merchant Ship Mode
194
Setting True Bearing
196
Setting Ship Speed
198
Setting Drift
199
Setting PRF
200
Setting Transmission Repetition Frequency
201
Connecting Navigation Equipment
202
GPS Initial Setting ／ Receiving Status
204
GPS Initial Setting
204
Checking GPS Receiving Status
208
Setting DGPS ／ Checking DGPS Receiving Status
210
Setting DGPS
210
Checking DGPS Receiving Status
212
Maintenance Menu
213
Serial Input Equipment
213
Antenna Switch
214
Partial Master Reset
214
Total Master Reset
214
Internal Setting to Card
215
Card 2 to Internal Setting
216
User Memory
216
Restoring User Memory
217
Adjusting Position to Chart
218
Adjusting Video and Chart Using Trackball (R+P Mode)
218
Adjusting Video and Chart Position by Entering Adjustment Value (R+P and Plotter Modes)
219
Adjusting Position by Changing Longitude ／ Latitude Information from GPS (R+P and Plotter Modes)
220
Adjusting Position by Entering Latitude ／ Longitude on Own Ship
221
Setting the Rectifier Unit (NBA-3308)
222
8 After-Sales Service
223
9 Disposal
227
Equipment Disposal
228
Disposal of Used Batteries
229
Disposal of Used Magnetron
230
10 Specification
231
General Specification
231
Scanner Unit NKE-1055-4 ／ 6
233
Scanner Unit NKE-1056-6 ／ 7 ／ 9
234
Display Unit NCD-3780
235
Inputable Signal
238
Outputable Signal
238
Standard Equipment Configuration
239
Installing Clearance between Equipment
239
Others (Optional)
239
Appendix 2 Circuit Diagram of Radar Type JMA-3910-4 ／ 6 and JMA-3925-6 ／
241
Scanner Unit
242
Display Unit
243
4
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JRC JMA-3910-4 Specifications
General
Brand
JRC
Model
JMA-3910-4
Category
Marine Radar
Language
English
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