161
List of Safety Symbols (corresponding to IEC60950-1 A2)
No. Symbol mark Approved Description
standards
Q
IEC60417 Class II equipment
No.5172 To identify equipment meeting the
safety requirements specified for Class
II equipment according to IEC 61140.
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 optical lens while
the projector is on.
U
— To indicate that the marked item don’t
place anything on projector.
V
ISO3864 Caution, laser radiation
IEC60825-1 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.
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