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USING A LIFT DEVICE WITH YOUR BC SYSTEM
The optional BC Storage Pak (figure 34) provides stealth storage
for alternate lift and signaling devices. Storing devices in the Pak
eliminates the possibility of accidental damage or entanglement
on land, in a boat, or in the water. The Storage Pak bolts onto your
rigged Secure Harness backplate with the eight supplied bolts. Al-
ternate lift devices are carried in the Pak folded flat, with the snap
connected to the left waist D-ring. To deploy the device, simply
detach the bolt snap with your left hand and then pull down and
to the left. Once the device has cleared the Pak it can be inflated
using the low-pressure hose from your BC inflator or by using a
low-pressure hose connected to a separate air source such as a dry suit inflator (figure
25).
The BC Backplate Pad (part of the Deluxe Harness kit) also
features a built-in Storage Pak and provides additional
padding if desired.
Alternative lift devices include Diver Alert Markers (safety
sausages), Surf Shuttles, Lift Bags, and the Halcyon Diver’s
Life Raft. A complete list of Halcyon lift devices is available
in this manual’s appendix.
WEIGHTING YOUR HALCYON BC SYSTEM
The Halcyon Buoyancy Compensator provides for quick and easy adjustment of your ballast.
Once properly fitted, your Harness and backplate can be used with any of the Halcyon sin-
gle-cylinder wings or double-cylinder wings, with only minor adjustments of the harness to
account for different exposure suits and by the selection of the appropriate weighting system.
The goal of any SCUBA configuration is to create a system that allows a diver control at both
the beginning and end of a dive.
Proper weighting involves balancing a number of factors, including: increased surface buoyancy
(particularly in a neoprene suit before compression); the weight of your breathing supply (re-
duced as the dive continues); and the need to remain neutral at 10’ (3m), assuming near empty
cylinder (or cylinders). Typically, more than 80% of the weight a diver wears to sink a neoprene
suit is needed only within the first atmosphere. At depth, compression of the material forces the
diver to offset the reduction in lift with additional buoyancy. Furthermore, divers must ensure
sufficient weight to counteract empty cylinders near the surface where the neoprene suit is not
compressed and will begin to exert additional lift.
DIVING
THE HALCYON BC SYSTEM
Figure 34
Figure 35
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HALCYON.NET
Summary of Contents for TRAVELER
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