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4535 612 34161 HD3 Service Manual Page 47
CSIP Level 1 Safety: Electrical Safety
WARNINGS • To avoid risk of electrical shock hazards, always inspect transducers before use: Check the
face, housing, and cable before use. Do not use if the face is cracked, chipped, or torn; the
housing is damaged; or the cable is abraded.
• To avoid risk of electrical shock, do not use any transducer that has been immersed beyond
the specified cleaning or disinfection level.
• All patient-contact devices, such as transducers, pencil probes, and ECG leads must be
removed from the patient contact prior to application of a high-voltage defibrillation pulse.
• Connection of optional devices not supplied by Philips Ultrasound could result in electrical
shock. When such optional devices are connected to your ultrasound system, ensure that
the total system earth leakage current does not exceed 300 μA.
• Avoid placing the system in an environment that may produce electrostatic discharges (ESD)
that could affect the ultrasound system performance. (Electrostatic discharges can cause the
ECG heart rate display to increase by 10% to 15% for a few seconds after the discharge, even
though the ECG heart rate display returns to normal within a few seconds. See “About Elec-
trostatic Discharge” on page 51.)
• Avoid placing the system in an environment that may produce electromagnetic interference
(EMI) that could impact the diagnosis of a patient. (Only a physician can determine if an arti-
fact caused by radiated interference has a negative impact on image quality and the subse-
quent diagnosis.) See “Avoiding EMI and RF” on page 48.