Caution, Warnings and cautions caution, Explanation of graphical symbols – Revo R4CH12VAMP User Manual
Page 5: Precautions

WARNINGS AND CAUTIONS
CAUTION
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER(OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
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 triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying the product.
Should any liquid or solid object fall into the
cabinet, unplug the unit and have it checked by
the qualified personnel before operating it any
further.
Unplug the unit from the wall oulet if it is not
going to be used for several days or more. To
disconnect the cord, pull it out by the plug. Never
pull the cord itself.
Allow adequate air circulation to prevent internal
heat build-up. Do not place the unit on surfaces
(rugs, blankets, etc.) or near materials(curtains,
draperies) that may block the ventilation holes.
Height and vertical linearity controls located at
the rear panel are for special adjustments by
qualified personnel only.
Do not install the unit in an extremely hot or
humid place or in a place subject to excessive
dust, mechanical vibration.
The unit is not designed to be waterproof.
Exposure to rain or water may damage the unit.
Clean the unit with a slightly damp soft cloth.
Use a mild household detergent. Never use
strong solvents such as thinner or benzine as
they might damage the finish of the unit.
Retain the original carton and packing materials
for safe transport of this unit in the future.
Safety -------------------------------------------- Installation -------------------------------------
Cleaning -----------------------------------------
PRECAUTIONS
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 EQUIPMENT.