Northern Diver PRO-VISION MASK Manuale utente
PRO-VISION MASK MANUAL
Northern Diver Mask Manual | East Quarry Appley Lane North, Appley Bridge, Wigan, WN6 9AE, UK
NORTHERN DIVER PRO VISION MASK MANUAL
Thank you for purchasing this Northern Diver mask. To help ensure your future
diving safety, do not use this product before reading this manual. It is important to
fully understand its proper handling for safe usage.
Diving mask model “PRO VISION” is in compliance with the Regulation (EU)
n. 2016/425 (PPE belonging to the I category) and is in compliance with the
requirements of the harmonized standard EN 16805:2015.
The EU Declaration of Conformity can be found on the Northern Diver (Int) Ltd
product pages in the download section, please visit our website :
www.ndiver.com/pro-vision-mask
Contact Northern Diver | +44 (0) 1257 25 44 44 | info@ndiver.com | www.ndiver.com 3
High performance, innovative designed diving
mask, offers a unique diving experience to users
allowing them to shoot wonderful underwater
scenes. The mask features an integrated three-
prong mount for attaching your sport camera.
The ergonomic mount ensures no contact of
camera with forehead.
Suitable for all adult faces, its optimal sealing
ensures a perfect waterproof performance due
to the flex and soft silicone skirt. Mask strap is
removable and replaceable.
Film underwater adventures from diver’s
perspective. Super-soft black silicon skirt.
Tempered glass lenses for added impact
resistance. Adjustable buckle for comfortable fit
and seal.
Compatible with: GoPro Hero 2 3 3+ 4/ Xiaoyi/
Sony AS15 AS30.
Available in black colour only.
Please note: Camera is not included.
SPARE PARTS
Replaceable mask strap
Stock code: MASK-STRAP
Replaceable camera mount
Stock code: MASK-PV-CAMERA-MOUNT
Pro Vision Mask
Stock code: MASK-PRO-VISION
Northern Diver Mask Manual | East Quarry Appley Lane North, Appley Bridge, Wigan, WN6 9AE, UK
Safety and technical considerations
When using this mask you should follow the recommendations for recreational
diving as set out by an approved training organization.
1) Safe use of this mask requires that you read, understand and adhere to the
conditions and instructions of this manual.
2) This mask is only to be used as stated in this instruction manual.
3) The user must regularly check that this mask is in a good working condition and
without defects.
4) For maintenance and servicing use only original spare parts.
The owner or user of this mask is responsible for its safe use and is personally
liable when the conditions in this manual are not followed, if the mask is
improperly maintained or repaired using other than original spare parts, or if the
mask is not used as originally intended.
When replacing the mask lens with a corrective lens (i.e. a lens for myopia), be
sure to have an authorized person perform the replacement. Replacement by an
unauthorized person could cause the mask to leak due to improper lens fitting.
Do not jump in the water face down or drop the mask against any sharp object:
the high impact can cause breakage of the lenses causing injuries to the user.
Features
The main features of a good mask are listed below:
a) Fitting: the mask on your face, without strap, has to stay on snugly, just by
inhaling through the nose, unless you have a beard or moustache.
b) Visibility: maximum field of view.
c) Low volume: inner glasses, as close as possible to your eyes, without hurting
your face.
d) Easy equalization: there must be space enough for the fingers, even with
gloves, to squeeze the nose.
All Northern Diver masks have a balance combination of the above features plus
top quality materials and additional functions for easy use and comfort.
Contact Northern Diver | +44 (0) 1257 25 44 44 | info@ndiver.com | www.ndiver.com 5
Wearing the mask
When putting on the mask, brush away hair
caught between the silicone skirt and face. Hair
trapped under the skirt is the most frequent
cause of water leakage.
To tighten the mask strap, pull the strap toward
the outside in the direction shown by the arrow
(Diagram A).
To loosen the mask strap, pull the strap on
the inside in the direction shown by the arrow
while pulling the buckle lever with your fingertip
(Diagram B) or by pinching the buckle buttons
(Diagram C) depending on the masks fittings.
Mask clearing
Before the masks first use Northern Diver
recommends you rub a regular white toothpaste
(e.g. Colgate) on the inside of the lens of a few
minutes and then rinse. This removes the layer
Diagram A
Diagram B
Diagram C
of film on any new mask lens and will reduce the chances of the mask fogging up
when in use. If the mask continues fogging, use an anti-fog solution on the lens,
then rinse the mask thoroughly in water. Never use solvents or cleaners such as
alcohol on the mask.
When water enters the mask while swimming on the surface simply lifting the
mask from the face can easily drain water. However, when swimming underwater,
it is necessary to perform a “mask clearing” by exhaling air into the mask through
the nose.
Clearing an ordinary mask
For ordinary masks, tilt your head back and slightly lift the bottom of the mask
while exhaling air into the mask through the nose in order to purge water. Water
will not drain properly if air is blown into the mask with excessive force. Take care
to send air into the mask slowly at a measured pace.
Northern Diver Mask Manual | East Quarry Appley Lane North, Appley Bridge, Wigan, WN6 9AE, UK
Clearing a mask with a purge valve
Since the purge valve is located at the lowest point of the frame, tilt the head
slightly to the front or left to collect water around the purge valve, and send a
stream of slow and steady air through the nose. It is not necessary to lift the mask
while purging with this procedure; however slightly pressing the mask against the
face while blowing will assist the purge process.
Mask squeezing
When diving deeper than a few feet the higher depth pressure squeezes the mask
against your face. To prevent this exhale slowly through the nose as you dive
deeper.
Eardrum pressure
To equalize pressure in you ears, pinch you nose closed with your thumb and
finger and blow gently while holding your mouth closed.
Maintenance and storage
Please note your mask will last for many years provided that proper maintenance
is given to the product. Any contact of the clear silicone skirt/strap with black
rubber items, could cause browning of it.
Our masks are fabricated with phthalate free, non-toxic materials and comply to
strict safety standards
To maintain the equipment in optimum condition be sure to wash the mask in fresh
water as soon as possible after diving. After washing the mask in fresh water, use
a dry cloth to remove all moisture and store the mask in a well-ventilated area out
of direct sunlight.
Do not place the mask in extremely hot locations such as in direct sunlight or in
cars or trunks directly exposed to the sun. The heat and ultraviolet rays could
cause damage and shorten the life of the equipment.
In case of soiling of the mask, wash with a neutral cleaning agent diluted with
water to the percentage indicated by the manufacturer. Then completely remove
any residual cleaning agent with running water. You must ensure you remove all
cleaning agent from the mask, the cleaning agent could enter the plastic materials,
causing cracks and similar damage.
The mask can be transported and stored in the hard plastic protective case it is
supplied with.
Contact Northern Diver | +44 (0) 1257 25 44 44 | info@ndiver.com | www.ndiver.com 7
We are happy to answer any questions you may have.
We are located in Appley Bridge, Lancashire, UK - only 5 mins from the M6
motorway (J27). Manchester & Liverpool international airports are only 40 mins
away. Wigan North Western rail station is 2 hrs & 3 mins from London Euston.
We are more than happy to collect clients and return them after their visit.
Northern Diver International Ltd. East Quarry, Appley Lane North, Appley Bridge,
Wigan, Lancashire, WN6 9AE, UK
Find us
www.ndiver.com
Tel: +44 (0) 1257 25 44 44 Email: info@ndiver.com
East Quarry, Appley Lane North, Appley Bridge, Wigan, Lancashire, WN6 9AE, UK
Find Us Online.
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www.ndiver.com
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