1-13
4.4 Topside Processor Placement .................................................................................................. 4-74
4.5 TCP/IP Address Settings ........................................................................................................... 4-75
4.6 Connecting the System Components ...................................................................................... 4-75
4.6.1 Connect and Attach the Tow Cable to the Towfish ............................................................ 4-76
4.6.2 Installing a Depressor Wing and Connecting the Tow Cable .............................................. 4-77
4.6.3 Connecting to the Topside .................................................................................................. 4-77
4.6.3.1 Connecting to the Starmux IV DL ................................................................................ 4-77
4.6.3.2 Connecting to the 4205 Rack Mount with Starmux III DL .......................................... 4-77
4.6.3.3 Connecting to the 701-DL ........................................................................................... 4-78
4.6.3.4 Connecting to the 4205 Rack Mount with 701-DL ..................................................... 4-78
4.6.3.5 Connecting to the Starmux III DL ................................................................................ 4-79
4.6.3.6 Connecting to the 4205 Rack Mount with Starmux III DL .......................................... 4-80
5.0 ACTIVATION, TEST, AND DEPLOYMENT ................................................................................. 5-81
5.1 Activating the Topside ............................................................................................................. 5-81
5.1.1 Activating a Starmux IV System .......................................................................................... 5-81
5.1.2 Activating a 701-DL System ................................................................................................ 5-81
5.1.3 Activating a Starmux III System .......................................................................................... 5-82
5.2 Performing Pre-deployment Checks ........................................................................................ 5-82
5.3 Towfish Deployment ................................................................................................................ 5-84
5.4 Towfish Recovery ..................................................................................................................... 5-85
6.0 MAINTENANCE .................................................................................................................... 6-87
6.1 Inspect and Clean the Towfish and Cable after Use ................................................................ 6-87
6.2 Inspect and Clean the Underwater Connectors ...................................................................... 6-87
6.3 Storage ..................................................................................................................................... 6-87
6.4 Recommended Spares ............................................................................................................. 6-87
7.0 TROUBLESHOOTING ............................................................................................................. 7-88
7.1 Restore the Operating System ................................................................................................. 7-88
7.2 Disassembling and Reassembling the Towfish ........................................................................ 7-88
7.2.1 Disassembling the 4205 Towfish: ....................................................................................... 7-88
7.2.2 Assembling the Tow Vehicle ............................................................................................... 7-93
7.3 Standard Compass Calibration (AHRS Compass) ..................................................................... 7-93
7.4 Starmux IV Troubleshooting .................................................................................................... 7-93