Installation and Maintenance
3-5
WARNING
z Do not use three-wire to two-wire adapter with this instrument.
z To avoid unexpected power interruption, do no use power outlet with a
wall-mounted switch control.
3.1.5.2 Installing the Battery
If the monitor is to be powered by the internal battery, install the battery following
the steps as below:
1. Slide the battery door toward the rear of the monitor to open it.
2. Move the battery catch above to one side using one finger.
3. Insert a battery into the battery slot.
4. Move the battery catch to another side, and then insert the other one in the same
way, if your monitor is equipped with two batteries.
5. Release the battery catch, and it will fix the battery.
6. Close the battery door.
WARNING
z Make sure the battery door is securely latched. Falling batteries could
seriously or fatally injure a patient.
3.1.5.3 Equipotential Grounding
When other equipments are used together with the monitor, a grounding cable
should be used to connect the equipotential grounding connectors of the monitor and
of other equipments. This helps to reduce the potential differences between different
pieces of equipment, and ensure the safety of the operator and patient.
WARNING
z If the grounding system is in doubt, the monitor must be supplied from
its internal battery.
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