GE VOLUSON
i / VOLUSON
e
D
IRECTION KTI106052, REVISION 10 SERVICE MANUAL
Chapter 1 - Introduction 1-17
Section 1-4
Electromagnetic Compatibility (EMC)
1-4-1 What is EMC?
Electromagnetic compatibility describes a level of performance of a device within its electromagnetic
environment. This environment consists of the device itself and its surroundings including other
equipment, power sources and persons with which the device must interface. Inadequate compatibility
results when a susceptible device fails to perform as intended due interference from its environment or
when the device produces unacceptable levels of emission to its environment. This interference is often
referred to as radio–frequency or electromagnetic interference (RFI/EMI) and can be radiated through
space or conducted over interconnecting power of signal cables. In addition to electromagnetic energy,
EMC also includes possible effects from electrical fields, magnetic fields, electrostatic discharge and
disturbances in the electrical power supply.
For applicable standards refer to Chapter 2 in the Basic User Manual.
1-4-2 Compliance
The Voluson i / Voluson e unit conforms to all applicable conducted and radiated emission limits and to
immunity from electrostatic discharge, radiated and conducted RF fields, magnetic fields and power line
transient requirements as mentioned in IEC 60601-1-2.
NOTE: For CE Compliance, it is critical that all covers, screws, shielding, gaskets, mesh, clamps, are in
good condition, installed tightly without skew or stress. Proper installation following all
comments noted in this service manual is required in order to achieve full EMC performance.
1-4-3 Electrostatic Discharge (ESD) Prevention
!! WARNING:
Do not touch any boards with integrated circuits prior to taking the necessary ESD
precautions:
1.) When installing boards, ESD may cause damage to a board. ALWAYS connect
yourself, via an arm-wrist strap, to any exposed metal part of the system.
2.) Follow general guidelines for handling of electrostatic sensitive equipment.
!! WARNING:
Risk of electrical shock: System must be turned off and Battery has to be removed.
Avoid all contact with electrical contacts, conductors and components.
Always use non-conductive handles designed for the removal and replacement of ESD
sensitive parts. All parts that have the potential for storing energy must be discharged
or isolated before making contact.
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