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EXO Full Face Mask Manual
5) Suspension Face Seal:
The suspension area of the face seal is attached
to the EXOskeleton by five mounting legs,
much like a trampoline. In this way, the face
seals on a soft flexible area rather than a narrow
and harder type of seal. This allows the EXO-26
to fit different sizes and shapes of faces. The
extra area behind the face seal allows a foam
pad to be inserted for extra small (narrow) faces.
6) Modular Communications:
Microphone and earphones can be easily and
quickly replaced. Simply remove the mounting
nut and push the entire module to the inside of
the mask. The earphones and microphone can
then be removed. A spare comm set comes in
handy for rapid replacement in the field if
needed. If the mask is to be used without com-
munications, an oral nasal plug, DSI part # 320-
001, is available to seal the microphone cup in
the oral nasal of the EXO Standard or BR.
7) Oral Nasal:
The oral nasal on the EXO Standard and the
EXO BR full face mask, helps improve breath-
ing qualities of the demand regulator and also
improves the speech intelligibility of certain
communications devices available for the mask.
It is shipped from the factory with the micro-
phone hole punched. All no comm units are
shipped with a plastic oral nasal microphone
cup plug.This plug should be used when com-
munications are not installed.
8) Equalizer:
An ear equalizing device (nose block device)
is a standard feature on both EXO Standard and
BR masks and is used to equalize the divers
ears. This device has adjustable heights, fitting
a variety of noses and faces.
9) Balanced Regulator, EXO BR only
The EXO is also available with a balanced regu-
lator which has adjustment for a wide range of
operating pressures. The EXO Balanced Regu-
lator has been CE approved in Europe for scuba
use in conjunction with the DSI First Stage
Regulator and Overpressure Relief Valve.
4
10) Automatic Defogging, EXO Original only:
As the diver inhales, incoming air goes up through
the inlet tube and down across the lens, defog-
ging and ventilating the mask with each breath.
11) Scuba style ear equalizing
EXO Original only:
A large nose pocket in the mask, allows divers
to equalize their ears by pushing back on the
nose pocket and pinching. Extra room is pro-
vided in the pocket to allow a nose block kit to
be fitted if needed.(see Section 1.4.9)
1.2 SPECIFICATIONS
Weight: 4.65 Pounds
Construction:
-Exoskeleton / Poly Carbonate, Lexan ®
-Face Seal / Neoprene Blend
-Regulator Body / Noryl®
-Hardware / Stainless Steel & Chromed
Brass
-O-Rings / Neoprene
-Spider / Neoprene
Recommended Lubricant: Silicone Grease,
Dow Corning 111
EXO Original & Standard Regulator
Operating Pressures:
115psi-200 psi over ambient.
EXO-BR Regulator Operating Pressures:
100 psi-225 psi over ambient.
1.3 DESIGN PURPOSE
All the EXO Full Face masks have been de-
signed to be used with either SCUBA gear or
as part of a surface supplied diving system. All
models work exceptionally well in subfreezing
conditions and allow the use of a wide range of
supply pressures, giving the user greater flex-
ibility in adapting to various surface supported
systems. These masks are compatible with most
commercially available wire type and through
water communications, making them ideal for
commercial, scientific and search/rescue diving.
The EXO line has become very popular with
Chapter 1
Document # 001026001
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