Unit installation
FS70 Trawl Sonar System
VIII 974-24007001/4.1
5.3.2.3 Connector Maintenance........................................................................... 67
5.3.2.4 Excessive Impacts ................................................................................... 67
5.3.2.5 Corrosion ................................................................................................. 68
5.3.2.6 Shaft or Transducer Damage ................................................................... 68
5.3.3 FA 701 Catch and PI Sensors ......................................................................... 68
5.3.4 Winch Slip-Rings and Trawl Cable ................................................................ 69
5.4 On-board System Troubleshooting ................................................................... 70
5.4.1 System Tools .................................................................................................. 70
5.4.2 Test Cable ....................................................................................................... 71
5.4.3 Power Supply Meter Readings ....................................................................... 71
5.4.4 Trawl Cable Gain............................................................................................ 72
5.4.5 Testing the Trawl Cable ................................................................................. 73
5.4.5.1 Trawl Cable Insulation Measurement ..................................................... 73
5.4.5.2 Closed Loop Resistance, Voltage and Current at Trawl Unit ................. 73
5.4.5.3 Test for Water Ingress in the Trawl Cable .............................................. 75
5.4.6 Telemetry Errors ............................................................................................. 76
5.4.7 Diagnostic Recordings .................................................................................... 76
5.4.8 System Info Page ............................................................................................ 77
5.4.9 Bitmap “Snapshots” Sonar Image .................................................................. 77
5.4.10 Manual Recordings ......................................................................................... 78
5.4.11 Automatic Recordings .................................................................................... 79
5.4.12 Diagnostic and Message Files Transfer Procedure ........................................ 79
5.4.13 Diagnosing Problems ...................................................................................... 80
5.4.14 Troubleshooting Problems .............................................................................. 81
5.4.15 Power up Sequence of Events ........................................................................ 81
5.4.16 Host FS70 Software Start-up Sequence of Events ......................................... 82
5.4.17 What happens when you click “RUN” ........................................................... 82
5.5 Catch sensors .................................................................................................... 85
5.6 Winch slip-rings and trawl cable ...................................................................... 85
6 DRAWINGS ........................................................................................................... 86
ANNEX A - FS SONAR TEST REPORT ................................................................... 95
WARRANTY POLICY ................................................................................................. 97










