Blue Clean ARGP Series Manual page 6

6 English
CE Symbol. Indicates that the
appliance complies with the
EN
relevant EU directives.
ON/OFF switch position Indicates
the position of the ON/OFF switch.
I = Switch ON
0 = Switch OFF
Guaranteed sound power level
This produce is rated in
insulation class I. This means
that it is equipped with a protective
earthing conductor (only if the symbol
appears on the appliance).
(Translation of the original instructions)