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4.8 Towfish Deployment
The 2050-DSS is ruggedly built, but care is needed to deploy the system and get the best survey results.
This involves carefully lowering it to an ideal survey depth, utilizing and monitoring the Discover Bottom
Tracking feature to avoid striking the bottom, and carefully recovering and disconnecting the towfish
when the survey is completed.
The 2050-DSS tow vehicle can be towed using the armored tow cable purchased with the vehicle. The
towfish end of the cable should be secured to the bridle shackle with the cable grip, and the tow cable is
then run down along a towfish bridle arm to the connector, where both ends are mated. Cable ties should
be used to secure the cable to the bridle arm giving the tow cable enough slack between the shackle and
connector to prevent the endpoints from being pulled loose. Load-bearing cables can be used by attaching
them to a bridle shackle.
Figure 4-18: 2050-DSS Tow Cable and Grip Bridle Attachment
To deploy the Towfish:
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