Specifications

RIGOL
Service Guide for DM3058
II
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 use the instrument as
specified by this user‟s guide only.
Use Proper Power Cord.
Only the power cord designed for the
instrument and authorized by local
country could be used.
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 connecting
with the input or output terminals of the
instrument.
Connect the Test Leads Correctly
Please connect the test leads strictly in
accordance with the operation method
introduced in this manual.
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 connecting.
Do Not Operate Without Covers.
Do not operate the instrument with
covers or panels removed.
Use Proper Fuse.
Please use the fuse with specified
voltage and current rating.
Avoid Circuit or Wire Exposure.
Do not touch exposed connections and
components when power-on.
Do Not Operate With Suspected
Failures.
If suspected damage occurs to the
instrument, have it inspected by
qualified service personnel before
further operations.
Keep Well Ventilation.
Inadequately ventilated will cause the
temperature rises and damage the
device. Please keep well ventilation and
check the intake and fan regularly.
Do Not Operate in Wet/Damp
Conditions.
In order to avoid short circuit to the
interior of the device or electric shock,
please do not operate in a humid
environment.
Do Not Operate in an Explosive
atmosphere.
In order to avoid damages to the device
or personal injury, please operate far
away from an explosive atmosphere.
Keep Product Surfaces Clean and
Dry.
In order to prevent the performance of
the device from influencing by dust or
water in air, please keep the surface of
device clean and dry.