Epson EB-L520U, User Manual, Page: 325 / 332

325
No. Symbol Approved Standards Description
18 ISO 3864 General prohibition
To identify actions or operations that are
prohibited.
19 ISO 3864 Contact prohibition
To indicate injury that could occur due to
touching a specific part of the equipment.
20 — Never look into the optical lens while the
projector is on.
21 — To indicate that the marked item don’t
place anything on projector.
22 ISO3864
IEC60825-1
Caution, laser radiation
To indicate the equipment has a laser
radiation part.
23 ISO 3864 Disassembly prohibition
To indicate a risk of injury, such as
electric shock, if the equipment is
disassembled.
24 IEC60417
No. 5266
Standby, partial standby
To indicate that part of the equipment is
in the ready status.
25 ISO3864
IEC60417
No. 5057
Caution, movable parts
To indicate that you must keep away
from movable parts according to
protection standards.