iv
High-frequency noises from other devices through the electrical outlet
Locates the noise source and eliminate its route using adequate measures such as a noise
elimination device.
Turn off the device that serves as a noise source, if possible.
Use another electrical outlet.
Static electricity discharged by the instrument or the environment
Discharge static electricity fully from the operator and the patient before use.
Humidify the room.
Lightening
Lightening occurring nearby may induce great amount of voltage to the instrument. Under such a
condition, operate the instrument as follows:
Disconnect the power cable from the electrical outlet and use the battery.
Use the uninterruptible power system that complies with IEC60601-1.
When using the instrument cause noise to the receiver such as a TV or radio, locate those
receivers away from the instrument.
Environmental protection
Remove the built-in lithium battery from the instrument when the instrument is to be disposed of.
