1. Introduction
Smart Plus (PHT-35LHS) Installation Manual 9
Symbols Description Location
Indicates that electrical and
electronic equipment must not be
disposed of as unsorted municipal
waste and must be collected
separately.
Label
Warns ESD hazard.
MCU
board/Board
package
Indicates that this equipment is
classified as a CLASS 1 LASER
PRODUCT by IEC 60825-1 ED.2
regulations.
Label
Indicates that the user needs to
refer to the Instruction Manual.
Label
Indicates the date when the
equipment was manufactured.
Label
Indicates the manufacturer's serial
number so that specific equipment
can be identified.
Label