G4208A User’s Guide 159
6Appendix
Safety Information
General
This is a instrument has been manufactured and tested according to
international safety standards.
Operation
Before applying power, comply with the installation section. Additionally the
following must be observed.
• Do not remove instrument covers when operating.
• Any maintenance, and repair of the opened instrument under voltage should
be avoided as much as possible. When inevitable, this should be carried out
by a skilled person who is aware of the hazard involved.
• Do not attempt internal service or adjustment unless another person, capable
of rendering first aid and resuscitation, is present.
• Do not replace components with power cable connected.
• Do not operate the instrument in the presence of flammable gases or fumes.
Operation of any electrical instrument in such an environment constitutes a
definite safety hazard.
• Do not install substitute parts or make any unauthorized modification to the
instrument.
• Capacitors inside the instrument may still be charged, even though the
instrument has been disconnected from its source of supply.
• Dangerous voltages, capable of causing serious personal injury, are present in
this instrument. Use extreme caution when handling, testing and adjusting.