No. Symbol mark Approved
standards
Meaning
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 optical 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
--- Indicates that you should not look into the
lens while the LED is on.
Symbols Indicating the Device Meets the IEC60950-1 A2 Safety Standards
60
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