No. Symbol mark Approved
standards
Meaning
P
ISO 3864 General prohibition
To identify actions or operations that are
prohibited.
Q
ISO 3864 Contact prohibition
To indicate injury that could occur due to
touching a specific part of the equipment.
R
--- Never look into the projection lens while
the projector is on.
S
--- To indicate that the marked item don't
place anything on projector.
T
ISO3864
IEC60825-1
Caution, laser radiation
To indicate the equipment has a laser
radiation part.
U
ISO 3864 Disassembly prohibition
To indicate a risk of injury, such as electric
shock, if the equipment is disassembled.
V
--- Never look into the lens while the LED for
lighting is on.
W
IEC60417
No. 5266
Standby, partial standby
To indicate that part of the equipment is in
the ready status.
X
ISO3864
IEC60417
No. 5057
Caution, movable parts
To indicate that you must keep away from
movable parts according to protection
standards.
List of Safety Symbols Compliant with IEC60950-1 A2
252
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