No. Symbol mark Approved
stan
dards
Description
O
IEC60417
No. 5032
A
lternating current
To indicate on the rating plate that the
equipment is suitable for alternating
current only; to identify relevant
terminals.
P
IEC60417
No. 5031
Direct current
To indicate on the rating plate that the
equipment is suitable for direct current
only; to identify relevant terminals.
Q
IEC60417
No. 5172
C
lass II equipment
To identify equipment meeting the
safety requirements specied for Class
II equipment according to IEC 61140.
R
ISO 3864 General prohibition
To ident
ify actions or operations that
are prohibited.
S
ISO 3864 Contact prohibition
To indic
ate injury that could occur
due to touching a specic part of the
equipment.
T
— Never look into the optical lens while
t
h
e p
rojector is on.
U
— To indicate that the marked item don’t
place an
ything on projector.
V
ISO3864
IEC60825-1
Caution, laser radiation
To indic
ate the equipment has a laser
radiation part.
No. Symbol mark Approved
stan
dards
Description
W
ISO 3864 Disassembly prohibition
To indic
ate 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
C
aution, movable parts
To indicate that you must keep away
from movable parts according to
protection standards.
Z
IEC60417
No. 6056
Caution (Moving Fan Blades)
As a safety precaution, stay away from
the moving fan blades.
a
IEC60417
No. 6043
C
aution (Sharp Corners)
To indicate sharp corners that should
not be touched.
b
— To indicate that looking into the lens
while p
rojecting is prohibited.
c
ISO7010
N
o
. W027
ISO 3864
W
arning, Optical radiation (such as
UV, visible radiation, IR)
Taking care to avoid injury to eyes and
skin when in the vicinity of optical
radiation.
d
IEC60417
No. 5109
N
ot to be used in residential areas.
To identify electrical equipment which
is not suitable for a residential area.
List of Safety Symbols and Instructions
273