Halcyon DIR Dive Systems
 
 

The MC System
Halcyon's Multifunction Compensator is a complete "doing it right" kit for every diving application. The MC's modular design allows you to modify your set-up to fit your dive. A complete MC includes a buoyancy wing and selections from the following list appropriate to local dive conditions:
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Halcyon DIR System Accessories

Beyond the choice of a MC buoyancy system, consider how you can streamline or improve your gear with the right dry suit accessory, attachment hardware, or stage or primary regulator hose kit.

Doing It Right diving involves a series of choices about how to optimize your gear selection to maximize your dive quality. The system can be as subtle as making sure that your manifold has a soft rubber knob to resist cracking or deforming in the event of a brush with an overhead object, or as obvious as making sure that your stage bottles are properly marked with their maximum operating depth.

Halcyon looks after the details so you can assemble a DIR rig as easily as possible. From mask to fin strap, we are the DIR dive system outfitting experts.

DIR diving in Bimini

Halcyon: Above Average


DIR Tip #59
Reserve or back-up lights are key components of the DIR gear configuration. These lights must be reliable, streamlined and conveniently stowed along the MC's harness straps. Following a primary light failure in an overhead environment, the diver must switch to the reserve light and initiate an exit. The time spent using the reserve light should not be much greater than half of the diver’s bottom time; however, a reserve light should be able to provide more time in the event of a delayed exit.

Reserve lights that are capable of burning for the length of a diver’s total bottom time are sufficient. While the primary light should contain rechargeable batteries, the reserve lights should contain disposable batteries. These batteries have a more reliable burn time and will provide consistent and predictable results. Replace the batteries in the reserve light after each significant use. If it has not been used in six months, replace the batteries with a fresh set. The old batteries should be fine for household use, but are no longer reliable for critical life-support equipment.

DIR Tips courtesy of Global Underwater Explorers

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