Epson BrightLink 1485Fi 5000-Lumen Pixel-Shift Full HD Ultra-Short Throw 3LCD Interactive Laser Projector - Manual (Page 387)

387
No. Symbol Approved Standards Description
9 — Polarity of DC power connector
To identify the positive and negative
connections (the polarity) on a piece of
equipment to which a DC. power supply
may be connected.
10 IEC60417
No.5001B
Battery, general
On battery powered equipment. To
identify a device for instance a cover for
the battery compartment, or the
connector terminals.
11 IEC60417
No.5002
Positioning of cell
To identify the battery holder itself and to
identify the positioning of the cell(s)
inside the battery holder.
12 — Positioning of cell
To identify the battery holder itself and to
identify the positioning of the cell(s)
inside the battery holder.
13 IEC60417
No.5019
Protective earth
To identify any terminal which is intended
for connection to an external conductor
for protection against electric shock in
case of a fault, or the terminal of a
protective earth electrode.
14 IEC60417
No.5017
Earth
To identify an earth (ground) terminal in
cases where neither the symbol No.13 is
explicitly required.
15 IEC60417
No.5032
Alternating current
To indicate on the rating plate that the
equipment is suitable for alternating
current only; to identify relevant
terminals.