JRC JMA-3910-4 User Manual

XII
7. COUNTERMEASURES FOR TROUBLE
AND ADJUSTMENT
7.1 Function Check ·················································································7-1
7.1.1 Function Check ................................................................................................................ 7-1
7.1.2 Testing Functions with Menu .......................................................................................... 7-1
7.1.2.1 Memory Test .................................................................................................. 7-2
7.1.2.2 Key Switch Test ............................................................................................. 7-3
7.1.2.3 Sensor Test ..................................................................................................... 7-4
7.1.2.4 Line Test ......................................................................................................... 7-4
7.1.2.5 ROM Version ................................................................................................. 7-5
7.1.2.6 ARPA Status ................................................................................................... 7-6
7.1.2.7 Error Logging ................................................................................................. 7-6
7.1.2.8 Magnetron Current, Running and Transmission Time ................................... 7-7
7.2 Failure Check ·····················································································7-8
7.3 Troubleshooting ··············································································7-10
7.4 Replacement of Major Parts ···························································7-12
7.5 Adjustment and Setting ··································································7-17
7.5.1 NSK Unit Adjustment ................................................................................................... 7-17
7.5.2 Adjustment and Setting at Installation .......................................................................... 7-20
7.5.2.1 Adjusting Tuning .......................................................................................... 7-20
7.5.2.2 Adjusting Bearing ......................................................................................... 7-21
7.5.2.3 Adjusting Range ........................................................................................... 7-22
7.5.2.4 Setting Antenna Height ................................................................................ 7-23
7.5.3 Various Setting .............................................................................................................. 7-24
7.5.3.1 Setting Own Ship Course Equipment ........................................................... 7-24
7.5.3.2 Setting HDG SENSOR Adjustment ............................................................. 7-25
7.5.3.3 Setting Own Ship Speed Equipment ............................................................ 7-27
7.5.3.4 Setting Screen Mode .................................................................................... 7-28
7.5.3.5 Setting Fishing Boat ／ Merchant Ship Mode .............................................. 7-29
7.5.3.6 Setting True Bearing .................................................................................... 7-31
7.5.3.7 Setting Ship Speed ........................................................................................ 7-33
7.5.3.8 Setting Drift .................................................................................................. 7-34
7.5.3.9 Setting PRF ................................................................................................... 7-35
7.5.3.10 Setting Transmission Repetition Frequency ................................................. 7-36
7.5.3.11 Connecting Navigation Equipment .............................................................. 7-37
7.5.4 GPS Initial Setting ／ Receiving Status ........................................................................ 7-39
7.5.4.1 GPS Initial Setting ........................................................................................ 7-39
7.5.4.2 Checking GPS Receiving Status .................................................................. 7-43
7.5.5 Setting DGPS ／ Checking DGPS Receiving Status .................................................... 7-45
7.5.5.1 Setting DGPS ............................................................................................... 7-45
7.5.5.2 Checking DGPS Receiving Status ............................................................... 7-47
7.5.6 Maintenance Menu ........................................................................................................ 7-48
7.5.6.1 Serial Input Equipment ................................................................................. 7-48

JRC JMA-3910-4 Specifications

General

Brand	JRC
Model	JMA-3910-4
Category	Marine Radar
Language	English