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WARNING:
GENERAL SAFETY
No person should breathe from, or attempt to operate in any way, a Hollis PRISM 2 rebreather,
or any component part thereof, without first completing an appropriate Hollis Certified user-
training course.
Further, no PRISM 2 diver should use a Hollis PRISM 2 without direct Hollis instructor supervision
until they have mastered the proper set-up and operation of the Hollis PRISM 2 rebreather. This
includes new PRISM 2 divers as well as PRISM 2 certified divers who have been away from diving for
an extended period of time and would benefit from an instructor-led refresher course to regain skills
mastery of the Hollis PRISM 2. Failure to do so can lead to serious injury or death.
The PRISM 2 rebreather can, as with any closed circuit breathing loop, circulate breathing gas that
may not contain a sufficient quantity of oxygen to support human life. The breathing gas within the
Hollis PRISM 2 loop must be closely monitored and manually maintained with a safe oxygen content
by you (a properly trained and alert user) at all times.
The PRISM 2 computer-controlled addition of oxygen to the breathing loop is intended as a fail-
safe back-up system to you, the primary controller. If you (either knowingly or by inattention) allow
the PRISM 2 computer to control oxygen addition to the breathing loop at any time, you are diving
outside the principals of your PRISM 2 training - assuming any and all possible risk.
WARNING:
HIGH PRESSURE OXYGEN
The PRISM 2 uses cylinders, gas feed lines, pressure gauges and other devices which will
contain pure oxygen at high pressure when in operation. Oxygen by itself is non-flammable,
however it supports combustion. It is highly oxidizing and will react vigorously with combustible
materials. Oxygen at elevated pressure will enhance a fire or explosion and generate a large
amount of energy in a short time.
The user must maintain all parts of the PRISM 2 that can come into contact with high-pressure
oxygen as oxygen-clean components. This includes scheduled servicing by a Hollis service
professional, and using approved oxygen-compatible lubricants on any part of the gas delivery
systems that will come into contact with high-pressure oxygen.
If any part of the oxygen-clean system comes into contact with contaminants or is accidentally
flooded with any substance (including fresh water), you MUST have the entire high-pressure oxygen
system serviced by an authorized PRISM 2 service professional prior to use. Failure to do so can
cause fire or explosion and lead to serious injury or death.
GENERAL SAFETY
STATEMENTS + WARNINGS
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