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• Before proceeding, Cressi-sub recommends that you read the following document carefully to familiarize yourself with all the tools and techniques needed to perform proper equipment maintenance and/or repair.
Practice on an old mask. Don't try it the first time on a mask you need two hours before leaving for a dive. You should always have a spare mask in your kit. Clean that one first. Really it is easy. Most masks are much alike and you can pry the parts with a small pen knife.
22 lut 2024 · To use a purge valve mask effectively, ensure that the valve is positioned correctly and functioning properly before each dive. Practice clearing the mask of water in a controlled environment to familiarize yourself with the process.
The full-face mask, sticking to the MP face, creates two hermetic areas: one surrounding the eyes, the other nose and mouth (Figure 2). The airflow, between these two spaces and the external environment, is regulated by check (non-return) valves. Figure 2 Left: hermetic spaces. Right: non-return valves.
The cressi patented system of raked lenses with an “inverted drop” shape offers incredible downward visibility, ideal for having under control the scuba diving equipment. The clear side windows are made of scratch-resistant material, stronger than glass or polycarbonate.
If your mask doesn’t have purge valves, you can still clear it fine, just takes a bit more work. Troubleshooting Minor Mask Leaks. Even when you think your mask setup is perfect, sometimes a small leak still develops during the dive. A little water trickling in is annoying but manageable.
