Rigol DS1000CA Series Quick Manual page 5

RIGOL
ratings before connecting the instrument.
Do Not Operate Without Covers.
Do not operate the instrument with covers or panels removed.
Use Proper Fuse.
Use the specified type of fuse with certain ratings..
Avoid Circuit or Wire Exposure.
Do not touch exposed junctions and components when the unit is
powered.
Do Not Operate With Suspected Failures.
If you suspect damage occurs to the instrument, have it inspected
by qualified service personnel before further operations. Any
maintenance, adjustment or replacement of components must be
performed by RIGOL authorized personnel.
Keep Proper Ventilation.
Inadequate ventilation may cause temperature increase which
would damage the instrument. So please keep the instrument well
ventilated during operation and inspect the intake and fan regularly.
Do Not Operate in Wet Conditions.
In order to avoid short circuit inside the instrument or electric shock,
please do not operate in humid environment.
Do Not Operate in Flammable and Explosive Environment.
In order to avoid damages to the device or personal injuries, please
do not operate in flammable and explosive environment.
Quick Guide for DS1000CA iii