This symbol indicates the manufacturer.
This symbol indicates do not dispose the device together with unsorted municipal
waste (for EU only).
This symbol indicates the compliance with additional USA and Canada safety
requirements for medical electrical equipment.
This symbol indicates a type BF applied part.
SN
This symbol indicates manufacturer's serial number of the device.
This symbol indicates the positioning of battery cell.
+
–
This symbol indicates the protection against ingress of solid foreign objects and
IP22
against harmful effects due to the ingress of water.
This symbol indicates the date of manufacture (four digits for the year and
two digits for the month).
Symbols on the mains adapter
This symbol indicates that the mains adapter is a class II device.
This symbol indicates the compliance with China Compulsory Certification.
This symbol indicates that the mains adapter is safety tested.
This symbol indicates that the mains adapter is for indoor use only.
This symbol indicates the compliance with USA and Canada safety requirements.
This symbol indicates the compliance with Federal Communications Commission
requirements.
This symbol indicates polarity of d.c. power connector.
This symbol indicates the compliance with AUS/NZ regulatory requirements
(Regulatory compliance mark).
N136
This CE-mark indicates the compliance with the low voltage and electromagnetic
compatibility directive.
This symbol indicates to not dispose the device together with unsorted municipal
waste (for EU only). The solid bar symbol indicates that mains adapter is put on the
market after 13 August 2005.
This symbol indicates the compliance with Japanese safety requirements.
This symbol indicates the compliance with energy efficiency requirements.
This symbol indicates alternating current.
This symbol indicates direct current.
9 VDC
7 7