Instruction manual, SPT and MPT 31x series transponders
Instruction manual, SPT and MPT 31x series transponders
Instruction manual, SPT and MPT 31x series transponders
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Transponder setup <strong>and</strong> operation<br />
Pre-deployment checks<br />
Before you deploy the transponder, you must:<br />
1 Check that the battery contains sufficient power for the<br />
proposed operation.<br />
2 Before deployment, perform a visual inspection of the<br />
transponder.<br />
3 Perform a functional check to ensure it will operate<br />
correctly once it has been positioned on the seabed.<br />
Ensure the transponder replies to the<br />
correctinterrogation frequency.<br />
The functional check can be performed as follows:<br />
Transponder in water -use the APOS function check. When<br />
checking, lower the transponder on a rope over the vessel’s side.<br />
Refer to the APOS <strong>Instruction</strong> <strong>manual</strong> / APOS online<br />
help.<br />
Transponder on deck -use the Transponder Test <strong>and</strong><br />
Configuration Unit (TTC 400).<br />
Refer to the TTC 400 <strong>Instruction</strong> <strong>manual</strong> / TTC 400<br />
Quick Reference Guide.<br />
Mounting<br />
A transponder may be secured to a subsea structure using<br />
mounting brackets, or fitted with an anchor weight <strong>and</strong> floating<br />
collar for location on the open seabed.<br />
Refer to paragraph Mounting brackets on page 90.<br />
Mounting an EEx transponder<br />
At deployment, ensure a safe mounting of the transponder with<br />
adequate mechanical protection.<br />
Deployment<br />
Caution<br />
During deployment prevent the transponder from<br />
slamming against other solid objects.<br />
160820/O 41
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