No. Symbol mark Approved
standards
Meaning
R
ISO 3864 General prohibition
To identify actions or operations that are
prohibited.
S
ISO 3864 Contact prohibition
To indicate injury that could occur due to
touching a specific part of the equipment.
T
--- Never look into the projection lens while
the projector is on.
U
--- To indicate that the marked item don't
place anything on projector.
V
ISO3864
IEC60825-1
Caution, laser radiation
To indicate the equipment has a laser
radiation part.
W
ISO 3864 Disassembly prohibition
To indicate a risk of injury, such as electric
shock, if the equipment is disassembled.
X
IEC60417
No. 5266
Standby, partial standby
To indicate that part of the equipment is in
the ready status.
Y
ISO3864
IEC60417
No.5057
Caution, movable parts
To indicate that you must keep away from
movable parts according to protection
standards.
Z
IEC
60417-6056
Caution (Moving Fan Blades)
As a safety precaution, stay away from the
moving fan blades.
a
IEC
60417-6043
Caution (Sharp Corners)
To indicate sharp corners that should not
be touched.
b
-- To indicate that looking into the lens while
projecting is prohibited.
No. Symbol mark Approved
standards
Meaning
c
ISO7010
No. W027
ISO 3864
Warning, light emission (UV, visible light,
IR, etc.)
When you are close to the light emissions,
be careful not to injure your eyes or skin.
d
IEC60417
No. 5109
Usage prohibition in residential areas
To indicate that this is an electrical device
or a device that is not suitable for use in
residential areas.
List of Safety Symbols
288
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