4
General Safety Requirement
Carefully read the following safety information to avoid personal injury and the damages of this
product or any other connected products. To avoid all possible dangers, this product only should
be used in stated range.
Only an eligible technologist has the maintenance right
Avoiding fire or personal injury
Use the proper power adapter
.
Use only the power supply or sanctified power adapter.
Connect or disconnect correctly.
Do not connect or disconnect probes and test leads at
will when they are connected to the power.
Notice all terminals’ ratings.
To avoid electrical shock or fire, notice carefully all ratings
and signs of this product. And read carefully the users manual to get more information about the
ratings before connect to this product.
Do not operate the meter without its cover.
Do not use the meter if its cover or panel
has been unloaded.
Avoid touching bare circuit.
Do not touch the bare nodes or parts of the product with
power on.
Do not operate with dubious troubles.
If you have dubious troubles on the product, let
an eligible technologist have a check.
Do not operate under a humid environment.
Do not operate under an explosive environment
.
Keep the meter clean and dry.
Safety terms and signs
This manual is possible to show following terms
Warning
.
The word Warning indicates that the condition or the operation maybe
cause personal injury.
Carefully.
The word Carefully indicates that the condition or the operation maybe
cause the damages of this product or other properties
EM1230
Handheld Digital Oscilloscope
User
,
s Manual
