User's Manual

28 Specifications and Standards Compliance
289
CAUTION
The use of accessories, transducers and cables other than those specified may result in increased
electromagnetic emissions or decreased electromagnetic immunity of the device.
WARNING
Do not use cordless/mobile phones or any other portable RF communication system within the
patient vicinity, or within a 1.0 m radius of any part of the fetal monitoring system.
WARNING
For paced patients: The radiated SRR power of the CL SpO
2
and CL NBP Maternal Cableless
Measurement Devices, and other sources of radio-frequency energy, when used in very close proximity
of a pacemaker, might be sufficient to interfere with pacemaker performance. Due to shielding effects
of the body, internal pacemakers are somewhat less vulnerable than external pacemakers. However,
caution should be exercised when monitoring paced patients.
In order to minimize the possibility of interference, avoid positioning and wearing the Cableless
Measurement Devices in very close proximity to a pacemaker. Consult the pacemaker manufacturer
for information on the RF susceptibility of their products
EMC Testing
CAUTION
Fetal parameters, especially ultrasound and ECG, are sensitive measurements involving small signals,
and the monitoring equipment contains very sensitive high gain front-end amplifiers. Immunity levels
for radiated RF electromagnetic fields and conducted disturbances induced by RF fields are subject to
technological limitations. To ensure that external electromagnetic fields do not cause erroneous
measurements, it is recommended to avoid the use of electrically radiating equipment in close
proximity to these measurements.