Agilent U1602B/U1604B User’s and Service Guide  ix
General Safety Information
The following general safety precautions must be observed during all 
phases of operation, service and repair of this instrument. Failure to 
comply with these precautions or with specific warnings elsewhere in this 
manual violates safety standards of design, manufacture and intended use 
of the instrument. Agilent Technologies assumes no liability for the 
customer’s failure to comply with these requirements.
• All DMM/Scope COM are internally connected. Only connect 
DMM/Scope COM to same potential. 
• Remove all unused scope probes and test leads.
• Do not connect DMM test leads and scope probes at the same time.
• Disconnect scope probe from instrument before using DMM 
functions.
• Disconnect DMM test leads from instrument before using scope 
functions.
To avoid electrical shock or fire during battery replacement:
• Disconnect test leads, probes and power supply before opening case 
or battery door.
• Do not operate the instrument with battery cover open.
• Use only specified insulated probes and leads. 
• Use only U1571A, 7.2 V Ni-MH battery pack supplied by 
manufacturer.