background image

 

 

                                                                     Tow Fish User Guide                                

 April 2020

             P.2 

Tow Fish Quick Start  

OSL

 Tip

  This setup gives details for the deployment of the Tow Fish equipment, 

see icListen Guide for setup of icListen hydrophone. 

 

Setup Hydrophone  

1.

 

Configure the icListen hydrophone for the deployment.  

Assemble Configuration  

2.

 

Mount the icListen Smart Hydrophone on the Tow Fish.  

a.

 

Position the icListen with the element pointing towards the tip of the Tow Fish 
(see below).  

 

b.

 

Two bands on the hydrophone will line up with clamp positions on mount. 

 

c.

 

Secure the hydrophone with the 2 top bands of the clamps and tighten the 
hex screws in place with a Hex (Allen) key.  

3.

 

For an autonomous deployment, without a cable,  

use the icListen shorting plug to protect the pins on the hydrophone.  

 

4.

 

For a cabled deployment  

a.

 

If you are deploying from the cable,  

Attach cable grips to cable. (see 

Appendix A

)

b.

 

Pass the female end (no pins) of the cable through the hole on the top of the 

tow fish.  

c.

 

Plug the cable into the hydrophone. 

5.

 

 Attach the fin to the top of the Tow Fish using the screws provided. 

Summary of Contents for Tow Fish

Page 1: ...Tow Fish User Guide April 2020 Version 3 0 Doc 12109...

Page 2: ...l with an autonomous or cabled deployment The Tow Fish is a towed underwater depressor designed by Dartmouth Ocean Technologies The Tow Fish allows users tow a hydrophone at a constant depth behind a...

Page 3: ...see below b Two bands on the hydrophone will line up with clamp positions on mount c Secure the hydrophone with the 2 top bands of the clamps and tighten the hex screws in place with a Hex Allen key...

Page 4: ...eye hook b If you are using cable grips loop the cable grips through the oval quick link a rope can be used as a secondary line 7 Ensure the rope and or cable grips are being used as the tension memb...

Page 5: ...ecommendation 3 for further details 6 Once the desired rope length is paid out the rope can be tied off to a midsection point on the vessel 7 Increase the vessel to the desired towing speed For best r...

Page 6: ...Tow Fish User Guide April 2020 P 5 Cabled Deployment...

Page 7: ...to the icListen hydrophone install the first cable grip 4 Place the cable grip over the end of the cable with the two loops closest to the connector 5 Push cable grip over the cable 6 Measure approxim...

Page 8: ...equipment 14 Place the cable grip over the end of the cable with the two loops closest to the connector 15 Push cable grip over the cable to the measured distance 16 Secure the cable grip with the two...

Page 9: ...ill be collected on the hydrophones while being operated at speeds between 1 to 5 knots Reducing speed will minimize flow noise engine noise and maximize the signal to noise ratio of your target sound...

Reviews: