FujiFilm VisualSonics Vevo MD User Manual page 363

Caution: Medical electrical equipment requires special precautions regarding EMC
and must be installed and operated according to these instructions. It is possible
that high levels of radiated or conducted radio-frequency (RF) electromagnetic
interference (EMI) from portable and mobile RF communications equipment or other
strong or nearby radio-frequency sources, could result in performance disruption of
the ultrasound system. Evidence of disruption may include image degradation or
distortion, erratic readings, equipment ceasing to operate, or other incorrect
functioning.
If this occurs, survey the site to determine the source of disruption, and take the
following actions to eliminate the source(s):
• Turn equipment in the vicinity off and on to isolate disruptive equipment
• Relocate or re-orient interfering equipment
• Increase distance between interfering equipment and your ultrasound system
• Manage use of frequencies close to ultrasound system frequencies
• Remove devices that are highly susceptible to EMI
• Lower power from internal sources within facility control (such as paging systems)
• Label devices susceptible to EMI
• Educate clinical staff to recognize potential EMI-related problems
• Eliminate or reduce EMI with technical solutions (such as shielding)
• Restrict use of personal communicators (cell phones, computers) in areas with
devices susceptible to EMI
• Share relevant EMI information with others, particularly when evaluating new
equipment purchases which may generate EMI
• Purchase medical devices that comply with IEC 60601-1-2 EMC Standards
Electromagnetic compatibility 363