Preface Before You Begin
Safety Cautions and Warnings
Terason t3000 / Echo Ultrasound System User Guide
14
Shock hazards exist if the AC power adapter is damaged or is not properly grounded. Use
only the supplied medical grade power cord and power adapter, and connect the adapter
only to a receptacle marked “Hospital Only”, “Hospital Grade,” or equivalent.
Before cleaning the system, always disconnect the AC power adapter from the system.
The Terason Ultrasound System is a Type BF Class
I
product suitable for continuous
operation when connected as a system to a Medical Grade AC/DC Power Adapter or
operated from the laptop battery.
Electrical Fast Transients (EFT)
The FireWire components used to connect the Terason ultrasound transducer to the
computer are susceptible to electrical fast transients on the power line. If these
components are subjected to transients, it may cause the FireWire hub and repeaters to
lock up and no longer operate as specified. If that happens, communications between the
computer and the transducer will fail. To remedy this situation, remove power from the
FireWire hub by unplugging the medical-grade power adaptor for a few seconds. When
the power supply is plugged back in, the FireWire components reset and begin to function
normally. You must also exit the Terason software and restart it.
Surges to AC Power Mains
If the system is powered from AC mains that could experience surges above 1 Kv (for
example, from extreme lightning conditions), additional surge suppression is
recommended.
RF Interference
The unit should be operated in a location that is no closer than listed in
on page 331 to any part of RF communications
equipment that may disturb its functions. If abnormal performance is observed, additional
measures may be necessary, such as re-orienting or relocating the equipment. The Terason
Ultrasound System should be separated by at least the distances specified in the table
referenced above.
The Terason Ultrasound System is intended for use in an electromagnetic environment
where radiated RF disturbances are controlled. The customer or the user of the Terason
Ultrasound System can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications equipment
Caution:
Do not remove or try to circumvent the grounding wire. If the protective
grounding of the system is questionable, disconnect the laptop from the
power source and run it on its internal battery.
Caution:
Use only Medical-Grade peripherals in the patient environment. See
on page 15 for a diagram of the patient environment.
Caution:
Failure to follow the warnings in this guide may cause the system to no
longer comply with regulatory requirements.
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