4-1
Chapter 4 Operation Preparations
The patient cable and other accessories provided by our company should be used, if accessories of
other types are used, the equipment may be damaged and the performance and safety of the
equipment may be affected.
4.1 Connect the Power and Earthing Line
Avoid the electric shock risk―― the three-phase socket with the protective ground should be used
and the earthing of the socket should be kept well; the shell of the equipment can not be open
when the power supply is connected.
If there is doubt for the integrality ofthe protective earthing line, please use the built-in battery for
the power supply and do not use the AC power supply.
1) Use the AC Power Supply
First check whether the AC power supply complies with the requirements:
Rated Voltage: 100-240V ～
Rated Frequency: 50Hz/60Hz
Rated Power: 95VA
Then plug the power cable connector into the AC socket on the back of the equipment, plug the power cable
into the three-phase AC power socket.
2) Use the Built-in Battery
When this electrocardiograph is delivered to the user, the built-in rechargeable lithium battery has been
installed and which can be used directly. For the power loss in the storage and transportation, for the initial
use the electric quantity of the lithium battery may be inadequate and at this time the battery should be
recharged. When the shelf life of the battery is over (cycle life ≥300 times) or the using time after the
recharging has been shortened obviously, the battery should be replaced in time.
3) Connect the Earthing Line
Connect one end of the earthing line to the equipotential grounding terminal at the back of the equipment
and connect another end to the public earthing of the hospital.
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