Samsung RF31FM Series Manual page 43

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3. Instruction of Function
To do list
3-1. Digital Display
RF31FMES** RF323TE**
7 Sparkling Water ( Hold 3 sec for Cylinder Reset )
(For Sparkling model Only )
Sparkling water that is produced as the result of
activating the Cylinder Reset function may have a
carbonation level higher than the current Carbonation
Level setting. If you want accurate carbonation level in
the next production, you need to empty the tank before
you start production.
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