Ceyear 4051 Series, User Manual

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2 General
2.2 Safe operating manual
6
Table 2.1 Instrument Safety Signs
Symbol Meaning Symbol Meaning
Caution: the user should pay attention to
the information. The user should pay
attention to the operation information or
instructions.
Power on/off
Caution: handle heavy equipment. Standby indication
Danger! Be careful of electric shock!
Direct-current (DC) power
Warning! Be careful of surface heat.
Alternating-current (AC) power
Protect the conductive terminal.
Direct-current/alternating-current
power (DC/AC)
Grounding
Instrument reinforcement and
insulation protection.
Earthing Terminal
EU mark of battery and
accumulator.
For details, refer to 1 of ―2.2.8
Waste disposal/environment
protection‖.
Caution: electrostatic sensitive device.
Be careful.
EU mark for electronic parts to be
collected separately
For details, refer to 2 of ―2.2.8
Waste disposal/environment
protection‖.
Warning! Radiation.
For more details, refer to item 7 of
―2.2.4 Operation precautions‖.
2.2.1.2 Manual-related Signs
The following safety warning signs are used in the product manual to remind the user to operate the
instrument safely and pay attention to relevant information.