Xltek
®
EMU40EX™ User and Service Manual
24
Follow these techniques to help identify the sources, and to increase the
immunity towards parasitical noise: o
Verify the power supply and all portable multiple socket-outlets are off the flo r
and in a dry location.
If parasitic noise is present on the EEG waveforms, try to identify possible culprits by
disconnecting nearby equipment from the common power source.
Lay out the interconnection cables as far as possible from the cables being used by nearby
equipment.
Verify the Power cord integrity. Do not use portable multiple socket outlets that are not properly
grounded.
Do not use power outlets without a protective ground
When isolation transformers are used, ensure that the Medical System is properly grounded.