POSEIDON SE7EN - Page 8

Poseidon SE7EN User Manual Chapter 1
Page vii
included in Chapters 1 and 2 of this Manual. The SE7EN also incorporates many
automatic system tests as part of the power-up procedure. Using the SE7EN without
completing these automatic system tests poses signicantly increased risk to the
diver.
Chapter 3 of this Manual describes procedures for donning and tting of the SE7EN,
to ensure proper positioning on the diver, as well as instructions for proper use while
conducting a dive.
Chapter 4 of this Manual describes appropriate post-dive procedures and long-term
storage and maintenance requirements for the Poseidon SE7EN, including condi-
tions for storage, shelf-life of certain components, and appropriate precautions; as
well as a maintenence and inspection schedule. Failure to comply with these proce-
dures may result in deteriorated and/or damaged components, and can lead to
improper functioning of the equipment. A separate set of instructions detailing main-
tenance requirements is also provided for reference purposes.
Appendix 1 covers troubleshooting of the Poseidon SE7EN.
Appendix 2 covers upgrade modules intended for technical diving with the Poseidon
SE7EN.
8.4
The diluent cylinder for the Poseidon SE7EN should only be lled with Grade-E (or
equivalent) air.
The oxygen cylinder should be lled with oxygen, containing less than 0.4%
impurities.
The Poseidon SE7EN may only be used with specially-designed Sofnodive
®
797
pre-packed cartridges manufactured by Molecular Products.
Only accessories and/or other personal protective equipment specically authorized
by Poseidon Diving Systems may be used with the Poseidon SE7EN. All other third-
party additions or modications are not covered within the intended usage of this
equipment.
8.5
The Poseidon SE7EN is designed to extend the duration of recreational dives.