Keysight 34921A-34925A User’s Guide 11
Regulatory Markings
The CE mark is a registered trademark 
of the European Community. This CE 
mark shows that the product complies 
with all the relevant European Legal 
Directives.
The CSA mark is a registered 
trademark of the Canadian 
Standards Association.
The UK conformity mark is a UK 
government owned mark. Products 
showing this mark comply with all 
applicable UK regulations.
The Keysight email address is required 
by EU directives applicable to our 
product.
This indicates that this ISM device 
complies with the Canadian ICES-001.
Interference-Causing Equipment 
Standard for industrial, scientific and 
medical (ISM) equipment. Matériel 
industriel, scientifique et médical (ISM)
This is a symbol of an Industrial 
Scientific and Medical Group 1 Class A 
product. (CISPR 11, Clause 5)
The CE mark is a registered trademark 
of the European Community. This CE 
mark shows that the product complies 
with all the relevant European Legal 
Directives.
ICES/NMB-001 indicates that this ISM 
device complies with the Canadian 
ICES-001.
Cet appareil ISM est conforme a la 
norme NMB-001 du Canada.
ISM GRP.1 Class A indicates that this 
is an Industrial Scientific and Medical 
Group 1 Class A product.
This is a combined marking to indicate 
product compliance with the Industry 
Canadian Interference-Causing 
Equipment Standard (ICES/NMB-001).
This is also a symbol of an Industrial 
Scientific and Medical Group 1 Class A
product (CISPR 11, Clause 5).
This symbol is a South Korean Class A 
EMC Declaration. This is a Class A 
instrument suitable for professional 
use and in electromagnetic 
environment outside of the home.
The RCM mark is a registered 
trademark of the Australian 
Communications and Media Authority.