Installation and Service Guide N5251-90001 1-7
PNA Series Microwave Network Analyzer System 
N5251A
    Safety and Regulatory Information 
Regulatory Information
Lithium Battery Disposal
If  the  battery  on  the  network  analyzer’s  CPU  board  needs  to  be  disposed  of,  dispose  of  it  in 
accordance with your country’s requirements. If required, you may return the battery to Keysight 
Technologies for disposal. For assistance refer to “Contacting Keysight” on page 5-4.