User manual POSEIDON ATMOSPHERE

[. . . ] Yours faithfully INTRODUCTION Certification Information The POSEIDON Atmosphere Full Face Mask is approved according to the EU (a) denotes Directive for Personal Protective the trimmed Equipment, 89/686/EEC page. right corner or exceeds the of the and meets requirements of EN 250:2000 for cold water diving. Type approval certificate is issued by SGS United Kingdom Ltd, Ellesmere Port, CH65 3EN, UK. Production quality assessment according to article 11 B of 89/ 686/EEC, assessed by SGS United Kingdom Ltd. , Ellesmere Port, CH65 3EN, UK. [. . . ] If a drysuit or wetsuit (a) denotes the trimmed right hood is used at the same time corner as the mask, it must of the page. have a face seal with an outer surface similar to rubber to ensure a good seal. An outer layer of Nylon fabric, for example, will not seal the mask effectively. This applies top, right and bottom when the logo square is used without bleed and is printed within the top right corner eg. spec sheets. WARNING! Do not fold the hood over the mask seal as breathing gas can fill the hood creating buoyancy difficulties. The contoured piece for equalization located inside the inner mask should be adjusted prior to first time use of the mask. The piece can easily be removed and reattached in three different positions to suit the needs of the user. Correct position is achieved when the nasal passages are blocked while upward pressure is applied to the lower part of the mask. Remove excessive material from the piece with a knife if a lower position is needed and place the piece back to its place. Preparation for use 1. Check that the visor is clean and free from scratches or blemishes likely to cause distortion or other difficulties with vision. First check that the dive mode switch on the second stage is in pre-dive mode (-) and then open the cylinder valve. USER MANUAL :: ENGLISH ATMOSPHERE :: 7 Fig. If the neck strap is not going to be used it should be removed from the mask and not left dangling during use. Invert the head harness over the visor of the mask (fig 3) leaving the face seal area clear, place the chin firmly into the chin cup at the bottom of the mask and pivot the mask up to the forehead. Pull the harness over the back of the head while grasping the lower edge of the center of the harness (fig4). Hold the front fitting of the mask in one hand so as to keep the chin in correct position, tighten the lower straps of the head harness one at a time and then the top strap. Fig. Next, tighten the two center straps and finally check the two lower straps for tightness and adjust if necessary. 6. The straps should be tightened firmly so as to hold the mask securely onto the face. In addition to causing discomfort, over tightening the straps can distort the shape of the mask and reduce the ability to seal to the face. Switch the dive mode switch to dive position, (+) (fig 2, #6). :: 8 ATMOSPHERE HOW TO USE USER MANUAL :: ENGLISH Donning the mask HOW TO USE Diving The Atmosphere Full Face Mask can easily be drained in case of water infiltration. To drain the mask, simply (a) denotes the trimmed push the purge (fig 2, the page. right corner on the regulator while keepof #8) button ing your head in face-down position. If inhalation resistance feels unusually high make sure the dive mode switch is in dive position, (+). For underwater equalization, simply press the lower part of the mask upward, towards the chin. [. . . ] It should be noticed that the loops have one side thinner than the other. Check This applies top, right and bottom when the logo square is used without bleed and is printed within the top right corner eg. (a) denotes the trimmed right corner of the page. Cause Action None Does it occur only when regulator hose is pulled firmly?Does it open spontaneously? YES: this is a normal function. YES: it may be a 1st stage error. Terminate dive & service regulator. Gas vents from 2nd stage when opening cylinder valve. Does it stop within 1-2 conds? se- None YES: this is a normal flow to activate the servo mechanism. [. . . ]