GE HealthCare CONFIDENTIAL
Direction 5936427, Rev. 1 LOGIQ Totus Basic Service Manual
2 - 6 Section 2-2 - General LOGIQ Totus Requirements
2-2-3 EMI limitations
Ultrasound machines are susceptible to Electromagnetic Interference (EMI) from radio frequencies,
magnetic fields, and transients in the air or wiring. Ultrasound machines also generate EMI. The
LOGIQ Totus complies with limits as stated on the EMC label. However there is no guarantee that
interference will not occur in a particular installation.
Possible EMI sources should be identified before the LOGIQ Totus is installed.
Electrical and electronic equipment may produce EMI unintentionally as the result of a defect. These
sources include:
• medical lasers
• scanners
• cauterizing guns
• computers
• monitors
• fans
• gel warmers
• microwave ovens
• light dimmers
• mobile phones
• in-house wireless phones (DECT phones)
• wireless computer keyboard and mouse
• air conditioning system
• High Frequency (HF) surgery equipment
• general AC/DC adapters
The presence of a broadcast station or broadcast van may also cause interference.
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