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Ecg Signal; Electrostatic Discharge Precautions - Philips EPIQ 7 User Manual

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Electromagnetic Compatibility
The radio component in this device is the LG-Ericsson USB-1040.
The wireless technology radio device used in this product is in compliance with the essential
requirements and other relevant provisions of Directive 1999/5/EC. This product is intended to
be connected to the Publicly Available Interfaces and used throughout the European Economic

ECG Signal

Operation of your system with ECG signals below 0.25 mV may cause inaccurate results.
The amplitude of the electrocardiogram (ECG) signal is critical for reliable frame triggering.
Frame triggering should be used only when a clean, noise-free ECG waveform is observed on
the ECG display. The ECG signal should be at least 0.25 mV to ensure reliable triggering when
the system is used in the presence of the electromagnetic phenomena described in this section
and elsewhere in your system user information.

Electrostatic Discharge Precautions

Electrostatic discharge (ESD), commonly referred to as a static shock, is a naturally occurring
phenomenon that results in the flow of an electrical charge from a higher charged object or
person to a lower charged object or person. ESD is most prevalent during conditions of low
humidity, which can be caused by heating or air-conditioning. During low humidity conditions,
electrical charges naturally build up on individuals and objects and can create static discharges.
The following cautions can help to reduce ESD effect:
Do not touch transducer connector pins or the system's transducer receptacle.
Handle the transducer by the metal connector shell.
EPIQ 7 User Manual 4535 617 25341


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