JRC JMR-7230-S3 Instruction Manual page 5

21.1.3.3 Confirming H/W key information ........................................................................... 21-9
21.1.3.4 Confirming the compliant standards for the equipment ...................................... 21-11
21.1.4 Confirming Operating Time ....................................................................................... 21-13
21.1.5 Displaying/Resetting the Current Voyage Distance .................................................. 21-14
21.1.6 Setting and confirming the Sensor Source ............................................................... 21-16
21.2 General Maintenance ........................................................................................................ 21-19
21.3 Maintenance on Each Unit ................................................................................................ 21-20
21.3.1 Radar antenna NKE-1125/1129/1130/1139 .............................................................. 21-20
21.3.1.1 Precautions in mounting the cover ..................................................................... 21-21
21.3.1.2 Radiator .............................................................................................................. 21-23
21.3.1.3 Rotating section .................................................................................................. 21-23
21.3.2 Flexible wave guide (JMR-9225-7X3/9X3, JMR-7225-7X3/9X3) ............................. 21-23
21.3.3 Coaxial cable (JMR-9230-S3, JMR-7230-S3) .......................................................... 21-24
21.3.4 Transmitter-receiver (NTG-3225/3230) .................................................................... 21-24
21.3.5 Display unit ............................................................................................................... 21-24
21.4 Performance Check .......................................................................................................... 21-25
21.4.1 Starting Diagnosis functions ..................................................................................... 21-26
21.4.2 Confirming the screen status [Monitor Test] ............................................................. 21-27
21.4.3 Confirming the operation of the operation unit [Key Test] ......................................... 21-31
21.4.4 Confirming the alert sound [Sound Test] ................................................................... 21-32
21.4.5 Testing the brightness of LED [Light Test] ................................................................ 21-33
21.4.6 Testing a motor [Motor Vibration] .............................................................................. 21-34
21.4.7 Checking the magnetron current level of the radar [Magnetron Curr.] ..................... 21-35
21.4.8 Checking the memory [Memory Check] .................................................................... 21-36
21.4.9 Checking the performance monitor status ................................................................ 21-37
21.4.9.1 MON Check ........................................................................................................ 21-38
21.4.9.2 MON Check (SSR) ............................................................................................. 21-40
21.4.10 Cleaning the lens of the DVD drive ........................................................................... 21-41
21.5 Replacement of Major Parts .............................................................................................. 21-43
21.5.1 Parts required for periodic replacement .................................................................... 21-43
21.5.2 Replacement of magnetron ...................................................................................... 21-45
21.5.2.1 Handling of magnetron under long-time storage ................................................ 21-45
21.5.2.2 Magnetron replacement procedure for radar antenna NKE-1130 ...................... 21-46
21.5.2.3 Magnetron replacement procedure for radar antenna NKE-1125 ...................... 21-48
21.5.2.4 Magnetron replacement procedure for transmitter-receiver unit NTG-3230 ...... 21-50
21.5.2.5 Magnetron replacement procedure for transmitter-receiver unit NTG-3225 ...... 21-52
21.5.3 Replacing the motor .................................................................................................. 21-55
21.5.3.1 Motor replacement procedure for radar antenna NKE-1130/1139 ..................... 21-55
21.5.3.2 Motor replacement procedure for NKE-1632 ..................................................... 21-58
21.5.3.3 Motor replacement procedure for radar antenna NKE-2632/ NKE-2632-H ....... 21-60
21.5.3.4 Motor replacement procedure for radar antenna NKE-1125/1129 ..................... 21-64
21.6 Software Update ............................................................................................................... 21-68
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