Comelit MPTZ766A - Manual (Page 3)

III
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT
TO RAIN OR MOISTURE. DO NOT INSERT ANY METALLIC OBJECTS THROUGH THE
VENTILATION GRILLS OR OTHER OPENINGS ON THE EQUIPMEMT.
CAUTION
EXPLANATION OF GRAPHICAL SYMBOLS
The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product’s enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral is intended to alert the user
to the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the appliance.