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Chapter 2
OPERATING INSTRUCTIONS
2.1 INTRODUCTION
This section provides the manufacturer's rec-
ommendations on how to use the three EXO Full
Face Masks. The use of these diving masks will
vary with the type of diving and environmental
conditions. A proper training program in the use
of full faced masks must be undertaken prior to
diving the mask. Practice using the mask in a
calm, clear body of water (pool) before open
water diving. There is a video available from
Team Visions that goes over many of these basic
procedures. The video, Diving With The EXO-
26 Full Face Mask is available from Best Pub-
lishing PO Box 30100 Flagstaff Ariz. 86004
Ph 800 468-1055.
2.2 FIRST USE AND PRE-DIVE SET UP
When you first receive your EXO Full Face
Mask, carefully unpack it and examine it for any
damage that may have occurred during ship-
ment. Use the inspection sheet provided to en-
sure that no damage has occurred! Read all
warning labels & caution tags.
Be sure to complete the enclosed warranty card
and return to DSI as soon as possible. Warranty
claims require that a card be on file at DSI 10
days after purchase. Incomplete warranty cards
are considered invalid.
2.3 PRE DRESS-IN PROCEDURE
Before dressing in for a dive, an inspection of the
mask and all related gear should be made to
insure everything is in proper working order.
This should be done well in advance of the dive,
so any problems or adjustments can be dealt
with. Read and understand this manual before
you dive. Chapter 2 tells you the basic operating
procedures and how to perform the pre-dive
mask inspections and pre-dive regulator func-
tion tests.
Document # 001026001
CHAPTER 2
2.4 VISUAL INSPECTION
Visually inspect the entire exterior and interior
of the mask.
- The face seal should be in good condition with
no cracks, tears, or punctures.
- The spider (head harness) should be intact.
Stretch the spider and inspect it carefully for
signs of cracking or tearing.
- Inspect the face port. It should be clean and
clear. Anti fog solutions should be applied prior
to use.
-Check the wiring for the communications, if
present. Make sure the communication module
mount nut is screwed down tight.
-In the EXO Original, inspect the air inlet tube
and make sure it is properly seated on the regu-
lator.
-In the EXO Standard or BR, inspect the oral
nasal and equalizer and make sure they are
securely mounted. If the mask does not have
communications installed, be sure to use a mi-
crophone hole plug (320-001) in the oral nasal.
-Check the regulator assembly to ensure that it is
secured tightly on the mask frame.
-Check the regulator cover to ensure that it is
tight on the regulator body.
-With no air to the mask, screw the regulator
adjustment knob all the way out and back in to
insure that it turns freely.
2.5 CLEAN FACE PORT
Remove any sand or debris from the interior of
the mask and face port which may be inhaled
or blown into the divers face, interfering with
the divers vision.
EXO Full Face Mask Manual
9
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