
WaveRider Operating Manual
18
Copyright 1997-2004 Jonathan Purcell
All Rights Reserved
Tips for Electrode Use
• If you adjust the electrodes, wait for the signal to settle.
• Don't play with the wires while using the WaveRider.
• A poor connection may get better if the electrodes remains on the head for a few
minutes
• A good electrode connection may go bad.
If this happens try the following approaches listed in order of increasing effort:
1. adjusting the electrode and ear clips and waiting for the signal to settle,
2. wiping the paste off and re-applying the electrode and ear clips,
3. wiping the paste off with a warm wet washcloth, cleaning the electrodes and
starting over.
Conditions Necessary for Good Electrode Contact
Before collecting brainwaves make sure:
• The signal indicates a good quality connection. (See below).
• Electrodes were thoroughly cleaned with hot water and cotton swabs immediately
after previous use.
• Skin is clean and free of dirt, sweat, oils, and cosmetics.
• Electrode site and ears are prepped with NU-Prep and/or alcohol.
• The head and ear electrodes are filled with paste and well adhered to the sensor site.
• The rim of the electrode is flat on the head.
• The electrode lead wire plug is fully seated in the WaveRider jack.
•
All hair is moved out of the way of the electrodes.
• The lead wires are not tangled.
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