RIGOL
Service Guide for DM3000 Series
Safety Notices
Review the following safety precautions carefully before operating the instrument to
avoid any personal injuries or damages to the instrument and any products connected
to it.
To avoid potential hazards, it is necessary to use the instrument as specified by this
user’s guide only.
The instrument should be serviced by qualified personnel only.
Avoid Fire or Personal Injury.
Use Proper Power Cord. Use the power cord designed for the instrument as
authorized in your country only.
Connect and Disconnect Correctly. Do not connect or disconnect test leads while
they are connected to a voltage source.
Ground The Instrument. The instrument is grounded through the grounding
conductor of the power cord. To avoid electric shock the instrument grounding
conductor(s) must be grounded properly before making connections to the input or
output terminals of the instrument.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings
and marks on the instrument. Follow the user’s guide for further ratings information
before making connections to the instrument.
Do Not Operate Without Covers. Do not operate the instrument with covers or
panels removed.
Use Proper Fuse. Use the fuse of the type, voltage and current ratings as specified
for the instrument.
Avoid Circuit or Wire Exposure. Do not touch exposed connections and
components when power is on.
Do Not Operate With Suspected Failures. If you suspect there is damage with
this product, you have it inspected by qualified service personnel authorized by
RIGOL before further operations.
Provide proper ventilation.
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