Safety Notices And Symbols - Rigol DHO4000 Series Performance Verification Manual

Safety Requirement
• Avoid Circuit or Wire Exposure.
Do not touch exposed junctions and components when the unit is powered on.
• Do Not Operate With Suspected Failures.
If you suspect that any damage may occur to the instrument, have it inspected
by RIGOL authorized personnel before further operations. Any maintenance,
adjustment or replacement especially to circuits or accessories must be
performed by RIGOL authorized personnel.
• Provide Adequate Ventilation.
Please use the specified fuses. Avoid Circuit or Wire Exposure.
• Do Not Operate in Wet Conditions.
To avoid short circuit inside the instrument or electric shock, never operate the
instrument in a humid environment.
• Do Not Operate in an Explosive Atmosphere.
To avoid personal injuries or damage to the instrument, never operate the
instrument in an explosive atmosphere.
• Keep Product Surfaces Clean and Dry.
To avoid dust or moisture from affecting the performance of the instrument,
keep the surfaces of the instrument clean and dry.
• Prevent Electrostatic Impact.
Operate the instrument in an electrostatic discharge protective environment to
avoid damage induced by static discharges. Always ground both the internal and
external conductors of cables to release static before making connections.
• Proper Use of Battery.
Do not expose the battery (if available) to high temperature or fire. Keep it out of
the reach of children. Improper change of battery (note: lithium battery) may
cause explosion. Use the RIGOL specified battery only.
• Handle with Caution.
Please handle with care during transportation to avoid damage to keys, knob
interfaces and other parts on the panels.
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Safety Notices and Symbols

Safety Notices in this Manual:
WARNING
Indicates a potentially hazardous situation or practice which, if not avoided, will result in
serious injury or death.
DHO4000 Performance Verification
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