JMA-2343/2344 - ProNav

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9.8.1 Adjustment of the receiver • This adjustment need not be changed in general as the equipment is adjusted ex-factory. • If the adjustment is changed inadvertently, it will not be possible to obtain the optimum tuning even when the TUNE control is operated. 1. Tune preset Here, rough adjustment of the tune will be undertaken. (a) Set the range to 12NM pushing the "▲(up)" or "▼ (down)" on the RANGE key. (b) Push the soft key PROCESS . (c) Push the soft key 3 and select M-TUNE . The method of tuning has been set to "manual". (If the mode is already in manual tuning, this operation is not required.) (d) Push the MENU key and close the soft key menu. (e) Push the X-MIT/OFF switch and wait for 10 minutes or more. Transmission will begin. After about 10 minutes, the transmission frequency will stabilize. (f) Turn the [TUNE] control to the mid position. (g) Select "TUNE PRESET" in the line "RECEIVER ADJUST" - the menu "INITIAL SETTING 1". (h) Pushing the "▲ (up)" or "▼ (down)" on the the PPI image becomes the maximum size. RANGE key, adjust so that (i) Push the ENTER key. The adjustment has been completed. 250
2. Adjusting the central frequency Adjustment is undertaken so that the image is largest when the deflection of the tune level indicator is at the maximum. (a) Undertake operations (a) through (e) of "1.Tune Preset". (b) Adjust the image to the maximum using the [TUNE] control. (c) Select "TUNE FREQUENCY" in the line "RECEIVER ADJUST" - the menu "INITIAL SETTING 1". (d) Adjust to maximize the deflection of the tune level indicator pushing the "▲ (up)" or "▼ (down)" on the RANGE key. (e) Push the ENTER key. The adjustment has been completed. 3. Adjusting the level of the tune level indicator Adjust the scale to correspond to the maximum deflection of the tune level indicator bar. (a) Undertake operations (a) through (e) of "1.Tune Preset". (b) Using the [TUNE] control, adjust to maximize the deflection of the tune level indicator. (c) Select "TUNE LEVEL IND" in the line "RECEIVER ADJUST" - the menu "INI- TIAL SETTING 1". (d) Adjust so that the deflection of the tune level indicator is 80% to 90% of the indicator area pushing the "▲ (up)" or "▼ (down)" on the RANGE key. (e) Push the ENTER key. The adjustment has been completed. 251
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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
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Canceling center relocation (a) Pus
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3.3.24 Locking a fixed target on th
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• The following is an example of
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(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 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 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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