Tusa RS1207 Manual Del Usuario página 7

After the dive :
(depress the purge button).
high pressure air directly on the regulator filter to prevent humidity
from entering the high pressure chamber).
Caution
preserve it from any shock damage.
Cleaning :
After the dive your regulator should be cleaned with fresh water. Before
rinsing your first stage, make sure the dust cap is in place.
Storage :
After the regulator has been rinsed and dried, store it if possible by
hanging it by the first stage yoke, away from heat and direct sunlight.
place, and apply to the hose and first stage silicone spray approved for
use with diving equipment.