RIGOL   
II  DG1000Z User’s Guide 
Safety Requirement 
 
General Safety Summary 
 
Please review the following safety precautions carefully before putting the 
instrument into operation so as to avoid any personal injury or damage to the 
instrument and any product connected to it. To prevent potential hazards, please 
follow the instructions specified in this manual to use the instrument properly. 
 
Use Proper Power Cord.
 
Only the exclusive power cord designed for the instrument and authorized for use 
within the local country could be used. 
 
Ground the Instrument.
 
The instrument is grounded through the Protective Earth lead of the power cord. To 
avoid electric shock, connect the earth terminal of the power cord to the Protective 
Earth terminal before connecting any input or output terminals. 
 
Connect the Probe Correctly.
 
If a probe is used, do not connect the ground lead to high voltage since it has 
isobaric electric potential as the ground. 
 
Observe All Terminal Ratings.
 
To avoid fire or shock hazard, observe all ratings and markers on the instrument and 
check your manual for more information about ratings before connecting the 
instrument. 
 
Use Proper Overvoltage Protection.
 
Ensure that no overvoltage (such as that caused by a bolt of lightning) can reach the 
product. Otherwise, the operator might be exposed to the danger of an electric 
shock. 
 
Do Not Operate Without Covers.
 
Do not operate the instrument with covers or panels removed. 
 
Do Not Insert Anything Into the Air Outlet. 
Do not insert anything into the air outlet to avoid damage to the instrument. 
 
Use Proper Fuse.
 
Please use the specified fuses. 
 
Avoid Circuit or Wire Exposure. 
Do not touch exposed junctions and components when the unit is powered on.