User Manual
32
14.4 Baseline Drift
① Verify the electrode attachment and lead wire performance.
② Check the connection between patient cable and electrodes.
③ Check the cleaning of electrode and patient skin. Is the electrode and skin covered with
enough Gel?
④ Keep the patient from motion or hyperventilation.
⑤ Is the connection between lead and electrode proper?
Please use filter if still having above-mentioned interference.
14.5 Troubleshooting List
Disturbance too
big, the
waveform is in
disorder
1.Whether the ground cable proper.
2.The connection of leads is not stable.
3.Whether there is disturbance from
alternating current.
4.Patient is nervous
1.Please check the lead, ground
cable and power supply.
2.Please dispose the patient in
proper state.
1.Disturbance from alternating current is
too fierce.
2.Patient is nervous and the disturbance
of EMG too strong
1.Change a comfortable
environment for patient
2.If the sickbed is metal, please
change it.
3.The power line and lead is not
parallel or too close.
Wave form is
not regular, with
too great wave
or beeline
1.The conductivity of electrode is not
well.
2.Power of battery is used up
3.Contact between electrode and skin is
not proper.
4.The plug between lead and main unit
is not tight.
5.The contact between lead and
electrode is not proper.
1.Use alcohol of high quality.
2.Clean the electrode and patient’s
skin where touch the electrode.
3.Charge the battery.
4. Keep the electrode reed clamping.
1.Power of battery is used up.
2.Patient is moving.
1.Charge the battery.
2.Keep patient hold still.
1.The printer head is dirty.
2.The paper is not right.
1.Clean the printer head with alcohol
when the power is off, use the printer
head after the alcohol is volatile.
2.Use the appointed thermal print
paper.
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