TecLINE R2 TEC - The Use During Diving; The Use after Diving, Maintenance and Storage

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 before diving, perform a routine check of the demand regulator,
 check all the demand regulator's connections for possible gas leaks,
 check if the gas supplying the demand regulator is odourless,
 push the diving regulator's purge button and check for air outflow that stops
after releasing the button,
 insert the diving regulator's mouthpiece to your mouth and take a few breaths,
looking at the pressure gauge or other pressure monitoring device. The
monitoring device's indications should not change,
 insert the diving regulator's mouthpiece to your mouth, seal the connection
between your mouth and the mouthpiece, then test for water tightness.
8. The use during diving
 If the second-stage pressure reduction is equipped with Venturi effect's
adjustment system, the adjusting knob must be set in the position MAX, DIVE
or + during diving,
 during diving, breathe steadily and avoid quick and shallow breathing,
 the demand regulator's design gas bubbles flow out from the diving regulator
without entering the user’s field of view. Except for the situation when, being
underwater, the user looks up and exhales bubbles at the same time,
 whenever you take the diving regulator out of your mouth and then reinsert it,
first exhale or push the diving regulator's purge button. Otherwise, you can
choke on water.
9. The use after diving, maintenance and storage
Once diving is finished, you should:
 take the diving regulator out of your mouth,
 remove remaining water from the diving regulator and clear it by pushing the
purge button,
 close the valve (valves) of the cylinder/twinset,
 using the purge button, equalize pressure in the demand regulator with the
ambient pressure,
 unscrew the pressure reducer valve from the cylinder/twinset,
 wash out the demand regulator in clean, fresh water, while clogging the
pressure reducing valve's mounting ferrule's inlet. Please ensure that all HP
and LP ports are plugged or connected properly. These steps are particularly
important after diving in salt or chlorinated water. When rinsing do not push
the purge button of the diving regulator. It will prevent ingress of water to the
interstage hose or to the pressure reducer,
 after rinsing, reconnect the demand regulator to a pressure cylinder and then
clear it, removing possible remaining water from the inside,
 in case of diving in salt or polluted water, rinsing itself is not enough to clean
thoroughly the demand regulator, therefore soaking it in warm fresh water for
prolonged time is recommended,
 the cylinder/twinset should not be carried by holding on the pressure reducer,
LP and HP hoses and the diving regulator,
 leaving the cylinder/twinset unsecured may cause its fall or damage to the
cylinder valve or the pressure reducer.