F
At desired location,
turn off
the boat’s depth sounder.
F
Mechanically secure the Benthos cable
to the surface modem transducer using a shackle and place in
water.
Never rely on the electrical connector to support the tension in the cable.
F
Confirm that Status Light gives
2 quick flashes every 5 seconds
(initialized);
red
= 69kHz;
yellow
= 180kHz.
F
Inspect case
, especially pressure relief valves (make sure they’re flush with surroundings).
F
Deploy
the VR4-UWM in a
vertical
position – no more than 10° tilt angle.
F
Communicate
with VR4-UWM while it is being deployed to monitor the tilt of the receiver. The
hydrophone
heads should always be
pointing up
.
F
Record GPS position
of receiver; position can be tuned if depth is known (see manual).
Deployment
F
Return
to GPS position or receiver (recorded during deployment).
F
Set up
surface modem (connect Deck Box to PC and deploy surface modem).
F
Turn off
boat’s depth sounder during acoustic communication.
F
Open VUE
software and select the desired
Offload
icon (usually the
Offload New Data
option).
F
If data to be used in a VPS study, then answer “
Yes
” to the “
Offload high-resolution VPS data?
” question that
appears.
F
Monitor communication
while data is being offloaded. Make adjustments as needed (to power level,
boat position, etc.).
F
End communication
when data offload is completed.
Data Retrieval
+1 902-450-1700
DOC-5461-02 (CL)
VR4-UWM Receiver
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