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5.
In a situation where a very weak signal is being received it may not be possible to detect
the accurate location of the transmitter using this method however if this is the case then
the results of the approximate transmitter location will usually be a relatively narrow, well
defined peak giving a relatively accurate location for the transmitter.
4. 3002RS INSTALLATION
4.1. 3002RS ROV SYSTEM DECK TEST
Prior to installation with the ROV and ROV umbilical, ensure that this 3002RS ROV system deck
test has been completed. This will confirm that the system components are functional prior to
installation on the ROV and familiarise the user with the equipment, installation, and operation.
In this test the EM DECK TEST CABLE takes the place of the ROV and ROV umbilical.
1.
Identify the DGO-DGO cable and examine for any
signs of damage to the cable or connectors. Note that
each DGO cable connector includes an internal O-ring
positioned as shown. Look into each connector and
confirm
that
undamaged. If this O-ring is missing or damaged
then the system may malfunction when deployed
subsea.
2.
Identify the 3011 EM POD and 3004 ANTENNA and examine for any signs of damage to
the housings or connectors. Note that each DGO bulkhead includes an internal Backup ring
(BUR) and O-ring positioned as shown. Look into each DGO bulkhead connector and
confirm that the O-ring and BUR are in position and are undamaged. If the O-ring or BUR
are missing or damaged then the system may malfunction when deployed subsea.
3002RS_5002_A01
the
O-ring is in
position
and
is
Page 10 of 17
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