10 Keysight DAQ970A/DAQ973A Service Guide
Safety Symbols and Regulatory Markings
Alternating current (AC) Protective earth (ground) terminal
Earth (ground) terminal
Caution, risk of danger (refer to this 
manual for specific Warning or Caution 
information)
Frame or chassis (ground) terminal Instrument cable lock.
This product is marked with the ACMA 
RCM mark for compliance in Australia/
New Zealand. A copy of the 
Manufacturer's Australia Declaration of 
Conformity for this instrument can be 
obtained by contacting your local 
Keysight Technologies Sales 
Representative.
This symbol indicates the time period 
during which no hazardous or toxic 
substance elements are expected to 
leak or deteriorate during normal use. 
Forty years is the expected useful life 
of the product.