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Information regarding Electromagnetic
compatibility and interference (EMC)
NeuroTrac
®
products are designed to produce very low levels of radio
frequency (RF) emissions (interference), to be immune from effects of
interference produced by other equipment operating in their vicinity and
damage due to electrostatic discharge all when operating in a typical domestic
and or clinical environment. They are certified to meet the international EMC
standard EN60601-1-2. For more information please refer to the tables 201,
202, 204 and 206.
In the EMG mode the Neurotrac
Interference. (see page 2 of this operating manual).
Additionally, the power supplies of some notebook computers can give off
substantial amounts of interference which the NeuroTrac
This can happen when the power supply "block" has only a two pin connector
connecting it to the mains with no earth.
As a precaution, make sure that the power cable from the notebook is placed as
far away as possible from the connection wires of the NeuroTrac
Try to keep the NeuroTrac
the patient) either on their lap, in their pocket or clipped to their belt. Keep the
electrode wires as close as possible to the patients' body and not dangling freely.
A relaxed muscle should read below 3.5 microvolts (µV). If even when the
patient's muscle is soft and relaxed to the touch, the reading is still high, try turn-
ing off the notebooks external main power supply. (The notebook will continue
to run on its own internal battery). If the µV reading(s) suddenly reduce(s) and
then go back up after turning on the notebook power supply, it means that an
interference has occurred.
NeuroTrac
device may be subjected to Electromagnetic
®
device close to the patient's body (in the "field" of
®
25
Simplex - Operation Manual
®
device is susceptible.
®
®
device.
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