Too large
interference,
disorderly
waveform
Lead cable is not solid enough
to connect the two ends.
Check lead cable.
Do a good job in dealing with
patients.
Check electrical equipment around the
equipment.
Patient is too tension, not
quiet.
Start sampling again after patient is
stable.
Start sampling before the lead
cable is connected well, the
electric potential between body
and sampling equipment has
been not balanced.
Connect lead cable well, start
sampling after the patient is stable.
Inadequate skin treatment or
incorrect electrodes placement.
Please reprocessing and installation, it
is advised to use saline or medical
alcohol to wipe each electrode
placement (in the north or in the
winter dry skin, this step is
important), the left and right leg
electrodes should not placed on the
left leg, then click "Resample".
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General