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Be aware of nearby transmitters, such as radio or TV stations, and try to avoid coming close to
them.
If unintended movement occurs, turn the bed OFF as soon as it is safe.
Adding accessories, components or modifying this bed may make it more susceptible to
interference from radio wave sources (there is no easy way to evaluate their effect on the overall
immunity of the bed).
Report all incidences of unintended movement to the bed’s manufacturer and note whether there
is a radio wave source nearby.
CAUTION: It is very important to read the information regarding the possible
effects of electromagnetic interference on the SW Evolution™ and Rest Secure
System™.
Electromagnetic Interference (EMI) from Radio Wave Sources
The SW Evolution™ and SW Rest Secure System™ have been tested and are intended for safe
use with other components compliant to IEC 601 standards for medical devices. The SW
Evolution™ and SW Rest Secure System™ may be susceptible to electromagnetic interference
(EMI), which is energy that is reflected or emitted from sources such as radio stations, TV
stations, amateur radio (HAM) transmitters, two-way radios and cellular phones in the form of
electrical and magnetic waves that travel through space. The interference (from radio wave
sources) is not likely but in extreme circumstances can cause this bed to move by itself or move
in unintended directions. It can also permanently damage the bed’s control system. The
intensity of the interfering EMI energy can be measured in volts per meter (V/m). The bed can
resist EMI up to a certain intensity. This is called its “immunity level”.
The essential performance of this bed is to adjust the bed, using the hand control or foot control
box, into various positions, such as bed up/down, head up/down, foot up/down, Trendelenburg
and Reverse Trendelenburg with no interference.
GUIDANCE AND MANUFACTURER’S DECLARATION
Company: Wheelchairs of Kansas
Model: 33060400 – 35” Evolution, 33060450 – 39” Evolution
Control Number: 3107769
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