4
safety features are maintained in operational condition.
•
Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous procedures
throughout this manual. Instructions contained in the warnings must be followed.
WARNING
Dangerous voltage levels, capable of causing death, are present in this instrument.
Use extreme caution when handling, testing, and adjusting this instrument.
•
Do not connect the measuring terminals to mains.
Safety Symbols
General definitions of safety symbols used on the instrument or in manuals are listed
below.
Instruction Manual symbol: the product is marked with this symbol when it is necessary for
the user to refer to the instrument manual.
Alternating current.
Direct current.
On (Supply).
Off (Supply).
In position of push-button switch.
Out position of push-button switch.
Frame (or chassis) terminal. A connection to the frame (chassis) of the equipment which
normally include all exposed metal structure.
Stand-by.
WARNING
This warning sign denotes a hazard. It calls attention to a procedure, practice,
condition or the like, which, if not correctly performed or adhered to, could result in
injury or death to personnel.
CAUTION
This Caution sign denotes a hazard. It calls attention to a procedure, practice, condition or
the like, which, if not correctly performed or adhered to, could result in damage to or
destruction of part or all of the product.
NOTE
Note denotes important information. It calls attention to a procedure, practice, condition or
the like, which is essential to highlight.
Summary of Contents for E4980A
Page 12: ...12 Contents ...
Page 60: ...60 Chapter4 Troubleshooting Performance test failure troubleshooting ...
Page 86: ...86 Chapter5 Replaceable Parts Replaceable Parts List ...
Page 126: ...126 Chapter6 Replacement Procedure Display Interface Replacement ...
Page 136: ...136 AppendixB Firmware Update Update the E4980A firmware using USB cable ...
Page 140: ...140 AppendixC Power Requirement Power Requirements Figure C 3 Power Cable Supplied ...
Page 152: ...152 AppendixD Error Messages Error number 45 ...