JMA-2343/2344 - ProNav

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9.5 Cable Assemblies 9.5.1 Inter-unit cable (CFQ6774-10/15/20, CFQ6882-10/15/20) (a) This cable is used to connect the display unit to the scanner unit. (b) Use the following cables with connectors for this radar equipment. Cable length JRC Code for JMA-2343 JRC Code for JMA-2344 Remarks 15m CFQ6774-15 CFQ6882-15 Standard 10m CFQ6774-10 CFQ6774-10 Option 20m CFQ6774-20 CFQ6882-20 Option Color Number of Conductors/Diameter Signal Name (mm) Shielded wire (conductor) : Black 7/0.20 TI Shielded wire (shield) TIE Co-axial cable (conductor) 7/0.20 VD Co-axial cable (shield) VDE Red (Thick) 50/0.18 1A Yellow (Thick) 50/0.18 1A Blue (Thick) 50/0.18 2A Purple (Thick) 50/0.18 2A Green (Thick) 50/0.18 1A Pink (Thick) 50/0.18 1A Gray (Thick) 50/0.18 2A Brown (Thick) 50/0.18 2A Orange (Middle thick) 34/0.18 BP Green 7/0.20 BZ Yellow 7/0.20 COM+ Twisted pair White 7/0.20 COM- ※The outside diameter size of the cable :11.5±0.5 [mm] Only JMA-2344 242
9.5.2 Power cable (CFQ-6776) The radar unit is provided with a 2 m power cable with connectors Color Number of Conductors /Diameter Cross Section (mm 2 ) Polarity White 50/0.18 1.25 + Black 50/0.18 1.25 - Attention • Ensure that the output of the inboard power supply and rectifier unit and connection to the power cable is correct. Erroneous connection or voltage may cause breakdown. 9.5.3 Selecting a long cable • The effective voltage of the input to the radar is the voltage at the inboard power supply minus the voltage drop caused by the power cable. Too thin or long a power cable incurs a large voltage drop and may not be able to supply adequate power to the radar. In is recommended that the following guidelines be observed when selecting the power cable for your radar: (a) Consider the possible voltage regulation of the inboard power supply (Vs). (b) Use the following equation to calculate the voltage drop: V=2LRKI L:represents the cable length. R:represents the direct-current resistance (/m) at 20 K:represents the conductor resistance temperature coefficient (= 1.22) I :Maximum peak current (A) (c) The table below lists the direct-current resistance (R) and permissible current (Imax) of several cables. Cable Type R (20℃) Imax (45℃, continuous) CVVS2×1.25 16.7 Ω.km 13A CVVS2×2.0 9.42 Ω/km 19A CVVS2×3.5 5.30 Ω/km 26A The cable to be used must possess a sufficient permissible current (Imax) characteristic. 243
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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
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3.3.10 In case of high waves CAUTIO
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(b) Push the left or right side of
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1. Using EBL • An EBL is a straig
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3.3.14 Floating VRM and EBL Use the
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• Magnetic bearing display: This
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• True bearing display (north-up
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Displaying the cursor (a) Push the
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Before magnified After magnified 2.
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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 102 and 103: 8.3 Display Unit (NCD-4170) (1) Dim
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 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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