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JMA-9822-6XA
JRC JMA-9822-6XA User Manual
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SECTION 6
TR
UE AND F
ALSE ECHOES
ON DISPLA
Y
â–
Radar Wave with the Holizon
............................
6-1
â–
Strength of Reflection from the Targets
.............
6-3
â–
Sea Clutters
.......................................................
6-3
â–
False Echoes
.....................................................
6-3
â–
Display of Radar Transponder (SART)
..............
6-6
226
228
Table of Contents
Table of Contents
17
Cautions to be Used During Operation
5
Precautions before Operation
7
Cautions for High Voltage
7
What to Do in Case of Electric Shock
7
First-Aid Treatments
8
When Pulse Is Beating but Breathing Has Stopped
9
When both Pulse and Breathing Have Stopped
10
Equipment Appearance
11
Table of Contents
17
Measurement of Range and Bearing
19
Glossary
24
Section
24
1 General and Equipment Composition
27
On Display
27
Section 1 General and Equipment Composition
29
Default Chapter
30
Functions
30
Features
32
Configuration
34
Exterior Drawing
36
General System Diagram
49
Collision Avoidance
56
Marine Accidents and Collisions
56
Problems of Collision Avoidance in Navigation
56
Basic Concept of Collision Avoidance
57
Radar and Collision Avoidance
58
Relative Vector and True Vector
58
2 Name and Function of
59
Control Panel Switches
59
And Function of
59
Software Buttons
59
Name and Function of Control Panel Switches
60
Function of Software Buttons
65
3 Basic Operation
71
Flow of Operation
72
Power on and Start the System
73
Observe and Adjust Video
75
Tuning Operations
77
Acquire and Measurement Data
78
End the Operation and Stop the System
78
Menu Composition
79
Preparation
82
Display Brilliance Control
82
Sensitivity Control
82
Tuning
82
Contrast Control
83
Sea Clutter Suppresion
83
Brilliance Control
84
Rain/Snow Clutter Suppression
84
Day/Night Mode Selection
90
Exit 1 Press
90
Color Setting
91
Degaussing
102
Radar Interference Rejection
102
Basic Operations
104
Move Cross Cursor Mark [ + ] by Trackball
104
Methods for Setting Menu Items with the Trackball
105
Use Ebls (Electronic Bearing Lines)
111
Set Floating EBL
114
Select Range
116
Set Maximum Range
116
Select Bearing Display Mode
117
Select Pulse Length
117
Cancel Ship's Heading Line
118
Cancel All Display Items Except Hl and
118
Display PI (Parallel Index Lines)
119
Select True/Relative Motion Display Mode
121
Move Own Ship's Display Position
122
Display Other Ships' Trails
123
Display Own Ship's Track
124
Marking
127
Display Range Rings
128
Display Variable Range Markers
128
Set Guard Zones
130
Reset Alarm Buzzer
132
Set Alarm Sound Level
133
Check Operational Status
134
Function
143
Expand Targets
144
Display Processed Videos
145
Reduce Radar Interference
146
Personal Information
147
Display of Navigational Information
150
Function of OPTION Switch
167
Operation of Performance Monitor
168
EBL Maneuvering
174
4 Measurement of Range
179
Measurement by Trackball
180
Measurement by Range Rings
181
Measurement by Ebls and Vrms
181
Measurement between Two Optional Points
183
5 Operation of Arpa
187
Initial Setting
189
Setting Collision Decision Criteria
189
Automatic Setting Mode (System Start)
191
Setting Range Scale
191
Setting Own Ship's Speed
192
Display Mode Setting
194
Setting Bearing Display Mode
194
Setting Motion Display Mode
194
TARGET ID No. DISPLAY
195
Target Acquisition
196
Automatic Acquisition
196
Manual Acquisition
198
Use of Automatic and Manual Acquisition Modes
200
Arpa Data Display
201
Display of Vectors
201
Display of Past Positions
204
Data Display
207
Method of Displaying Target Data
207
Types of Data Display
207
Clearing Data Display
209
Alarm Display
210
Dangerous Target Alarm
210
Guard Zone Alarm
211
Lost Target Alarm
212
Gyro Set Alarm
213
System Function Alarm
213
Trial Maneuvering
214
Trial Maneuvering in the True Vector Mode
214
Trial Maneuvering in the Relative Vector Mode
215
Executing the TRIAL Function
216
Deleting Unwanted Targets
217
Deleting Targets
217
Arpa Setting
219
Simulation
220
Gate Size
222
Test Video
224
6 True and False Echoes on Display
227
Radar Wave with the Holizon
228
Strength of Reflection from the Targets
230
Sea Clutters
230
False Echoes
230
False Echo by Multiple Reflection
231
Radar Interference
232
Display of Radar Transponder (SART)
233
7 Maintenance
235
Routine Maintenance
236
Maintenance on each Unit
237
Scanner NKE-1079/1075/1059/1052
237
Transmitter-Receiver Unit NTG-3037/3027
239
Coaxial Cable (JMA-9833-SA)
240
Display Unit NCD-4111
240
Wave Guide (JMA-9823-7XA/9XA)
241
8 Countermeasures for Trouble and Adjustment
243
Function Check
244
Function Check on Test Menu
245
List of Alarms and Other Indications
255
Troubleshooting
259
Countermeasures to Trouble
260
Replacement of Major Parts
266
(Jma-9823-7Xa/9Xa, Jma-9822-6Xa/9Xa)
267
Replacement of Diode Limiter (A203/A303)
267
Replacement of Magnetron (V1/V101/V201)
267
Replacement of PIN Attenuator (A302)
267
Replacement of TRHPL (A202/A303) (JMA-9833-SA/9832-SA)
267
Replacement of CRT (V1)
268
Adjustments
269
Tuning Adjustment
270
Bearing Adjustment
271
Range Adjustment
272
Antenna Height Setting
273
Vector Constant
274
Quantization Level
275
Adjustment of NSK Unit to Gyro Compass and Log
276
Main Bang Suppression Adjustment
279
Setting
281
True Bearing Setting
281
Ship Speed Setting
282
Navigation Equipment Setting
284
Current Correction (SET/DRIFT) Setting
286
Time/Day Display Setting
288
Adjustment of Performance Monitor (NJU-63/64)
290
Adjustment of Interswitch
292
9 After-Sales Service
295
When You Request for Repair
296
Recommended Maintenance
296
Radar Failure Check List
297
10 Disposal
299
Disposal of the Unit
301
Disposal of Used Batteries
301
Disposal of Used Magnetron
301
Section 11 Specifications
303
11 Specification
304
Jma-9833-Sa Type Radar
304
Jma-9832-Sa Type Radar
305
Jma-9823-7Xa/9Xa Type Radar
306
Jma-9822-6Xa/9Xa Type Radar
307
Scanner (Nke-1079)
308
Scanner (Nke-1075)
309
Scanner (Nke-1059-7/9)
310
Scanner (Nke-1052-6/9)
310
Transmitter-Receiver Unit (Ntg-3037)
312
Transmitter-Receiver Unit
312
Transmitter-Receiver Unit (Ntg-3027)
313
Transmitter-Receiver Unit
313
Display Unit (Ncd-4111)
314
Arpa
315
Performance Monitor (Nju-63)
316
Performance Monitor (Nju-64)
316
(Nju-64)
316
Appendix
317
JMA-9800 ARPA Series Radar System Composition
318
JMA-9800 ARPA Series Radar System Circuit Block
320
Interswitch Kit (Nqe-3015J) Operation Manual
325
Interswitch Kit (Nqe-3015N) Operation Manual
326
1 General
327
1.1 Outline
327
1.2 Interswitch Construction
327
2 Operation
328
2.1 Operation Flow
328
2.2 Sub1 Menu
329
2.3 ISW (Interswitch) Menu
330
2.4 Changing Interswitch Patterns
332
(A) [Sub1 Menu Display
334
(B) [Isw Menu 1
334
(C) [Isw Menu 2
335
3 References
336
4
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JRC JMA-9822-6XA Specifications
General
Brand
JRC
Model
JMA-9822-6XA
Category
Marine Radar
Language
English
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