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1. Stabjacket / BCD / Wing
Attach the cansiter housing to your stabjacket / BCD / Wing using either the tank bands, QMR
Adapter or an 11” adapter.
As previously mentioned, the Poseidon SE7EN is sold with an optional backpack and buoyancy
compensator. This is to allow more experienced divers the choice of using an existing personal
backpack, harness, and buoyancy compensator. Poseidon supplies the tightly-integrated
Besea, harness, and buoyancy wing system for use with the SE7EN. The front extrusion rail on
the Poseidon SE7EN accepts the QMR adapter or 11-inch adapter (see Figure 1-14). Attach-
ment of the Besea is as quick as aligning the QMR adapter pin-bolts to the upper holes in the
Besea harness as shown in Figure 1-14. Make sure that you have correctly adjusted the
length-size of the Besea harness back plate before aligning the QMR adapter.
Once the correct alignment of the QMR adapter pin-bolts have been found, secure the
QMRadapter position on the front rail of the Poseidon SE7EN.
The optional buoyancy compensator wing can be quickly attached or removed from the Besea
harness using the four guide pins attached to the eight attachement bolts on the back of the
Besea harness. The Besea comes with a convenient carrying handle that can be used to
transport the entire assembled Poseidon SE7EN to and from the dive preparation area.
QMR Adapter
(See separate assembly manual)
Figure 1-14.
Align the pin-bolts of the QMR adapter with the
upper hole and the most suitable hole of the plastic/
metal (optional) back plate of the Besea harness.
Fasten it using the wing nuts.
You can attach a Poseidon SE7EN to your
BCD/Stabjacket using a tank band.
If your BCD/Stabjacket is equipped with a mounting point
for an QMR adapter, the Poseidon SE7EN can be bolted to
the BCD/Stabjacket using an QMR adapter.
If Cylinder QMR be used.
Attach The Counterlung straps
on pin-bolt