JMA-2343/2344 - ProNav

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8.3 Display Unit (NCD-4170) (1) Dimensions ・ Width 278mm ・ Height 242mm ・ Depth 275mm (2) Mounting Table-top mounting (3) Mass Approx. 9kg (4) Cathode-ray tube 10-inch square monochrome CRT (5) Range scales Range (NM) Range ring interval (NM) Number of rings (NM) 0.125 0.0625 2 0.25 0.125 2 0.5 0.25 2 0.75 0.5 3 1.5 0.25 6 3 0.5 6 6 1 6 12 2 6 24 4 6 36 6 6 48 8 6 Only JMA-2344 64 16 4 (6) Range ring accuracy ±0.9% of selected range or ±8m, which is greater. (7) VRM VRM1/VRM2 JMA-2343 0 to 48 NM, digital numeric display of 3 figures JMA-2344 0 to 64 NM, digital numeric display of 3 figures (8) EBL EBL1/EBL2 0˚ to 359˚, digital numeric display of 3 figures (9) Tuning mode Manual or automatic (10) Bearing scale 360˚ scale graduated at intervals of 1° (11) Ship’s heading marker Electronic (12) Sea surface clutter suppression Manual or automatic (13) Rain and snow clutter suppression Manual or automatic (14) Radar wakes display 15 sec/30 sec/1 min/3 min/6 min/15 min/30 min/ continuous (15) Center move 66% maximum of PPI’s radius 224
(16) Keys/Controls ・Main panel STBY/OFF key X-MIT/OFF STBY OFF X-MIT OFF [TUNE] control [GAIN] control [SEA] control [RAIN] control key RANGE ▲ RANGE ▼ key VRM EBL BRIL/HL OFF MENU ENTER VRM EBL MENU ENTER key key BRIL HL OFF key key key Cross key ・Software key panel Software key : 4 (17) Software key function ・DISPLAY Screen expansion [EXP] Center move [CENTER] Fixed range rings [RR] Cursor [CUR] ・PROCESS Clutter suppression [AUTOOFF/A-SEA/A-RAIN] Interference rejection [IR] Tune mode [TUNE] Radar wakes [WKS] ・GUARD Zone make [MAKE] Alarm setting [ALM] Sensitivity [SENS] Alarm mode [ALM] 225
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JMA-2343/2344
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Pictorial Indication ●Before Oper
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●Cautions to be used during opera
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──PRECAUTIONS BEFORE OPERATION
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☆When pulse is beating but breath
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機器外観 EQUIPMENT APPEARANC
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Contents PREFACE ·········
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3. Changing the interval between th
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Chapter 5 Maintenance and Inspectio
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9.9 Returning to the Initial Settin
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Glossary of Radar Terms A/D ACQ A-S
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1.3 Composition Composition of the
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Fig. 1.2 OUTLINE DRAWING OF SCANNER
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1.5 General System Diagram SCANNER
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2 Names and Functions of Control Pa
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2.1.3 Functions of the cross key Th
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2.2 Explanation of Screen Readout P
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2.3 Explanation of Functions within
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2.3.2 Functions within the menu Whe
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RADAR SET-UP 1 Set the buzzer sound
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3 Basic Operations 3.1 Flow of Oper
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3.1.1 Turning the power ON and star
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3.2 Monitoring Standby 3.2.1 Changi
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Range Range ring interval 3.3.5 Era
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3.3.8 Eradicating radar interferenc
Page 52 and 53: 3.3.10 In case of high waves CAUTIO
Page 54 and 55: (b) Push the left or right side of
Page 56 and 57: 1. Using EBL • An EBL is a straig
Page 58 and 59: 3.3.14 Floating VRM and EBL Use the
Page 60 and 61: • Magnetic bearing display: This
Page 62 and 63: • True bearing display (north-up
Page 64 and 65: Displaying the cursor (a) Push the
Page 66 and 67: Before magnified After magnified 2.
Page 68 and 69: Location designated by the marker C
Page 70 and 71: Canceling center relocation (a) Pus
Page 72 and 73: 3.3.24 Locking a fixed target on th
Page 74 and 75: • The following is an example of
Page 76 and 77: (c) Move the marker using the cross
Page 78 and 79: 3.4 Other Convenient Functions 3.4.
Page 80 and 81: 3.4.4 Displaying the waypoint • I
Page 82 and 83: 3.5.2 In cases of abnormality durin
Page 84 and 85: In order to obtain information on t
Page 86 and 87: 4.2 Returns from a Target The inten
Page 88 and 89: (d) Multiple echo Multiple echoes a
Page 90 and 91: 5 Maintenance and Inspection 5.1 Ge
Page 92 and 93: 5.4 Special Parts JMA-2343 Model Nu
Page 94 and 95: 5.6 Actions to Deal with Abnormalit
Page 96 and 97: 6 After-sales Service ★ When aski
Page 98 and 99: 7 Disposal 7.1 Equipment Disposal D
Page 100 and 101: 8.2 Scanner Unit (NKE-249/250) (1)
Page 104 and 105: (18) Menu ・FUNCTION ・DISPLAY
Page 106 and 107: 8.4 Rectifier Unit (NBA-797A) (1) D
Page 108 and 109: 9.2 Installing the Scanner Unit 9.2
Page 110 and 111: (2) Precautions to be observed when
Page 112 and 113: 234
Page 114 and 115: 9.3 Installing the Display Unit 9.3
Page 116 and 117: ※ The following should be used as
Page 118 and 119: 9.3.6 Connecting an electromagnetic
Page 120 and 121: 9.5 Cable Assemblies 9.5.1 Inter-un
Page 122 and 123: 9.6 After-installation Adjustments
Page 124 and 125: 9.7 Adjustment Procedures 9.7.1 Gen
Page 126 and 127: 3. Adjusting the tilt angle of the
Page 128 and 129: 9.8.1 Adjustment of the receiver
Page 130 and 131: 9.8.2 Adjusting the noise level Thi
Page 132 and 133: (i) Adjust the proximate perimeter
Page 134 and 135: (d) Push the soft key 1 and select
Page 136 and 137: (b) Select "INITIAL SETTING 2" in t
Page 138 and 139: ● Setting mode MANUAL : This oper
Page 140 and 141: List of Geodetic Systems No. Name 0
Page 142 and 143: 9.9 Returning to the Initial Settin
Page 144 and 145: 9.10.2 Scanner unit WARNING When pe
Page 146: 9.10.3 Display unit Cleaning the Di
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JMA-2343/2344 - ProNav

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