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User Manual
© 2016 Excel, part of Van Os Medical UK Ltd. | Excel House | Ashbrooke Park |
Sherburn in Elmet| T: 01977 681 400 | E: [email protected] |
W: www.vanosmedical.nl/en
4.7 Motor braking system
Your power chair is equipped with a system that uses the motor to aid in braking.
This motor brake system is designed to work when the freewheel lever is in drive
position. When the freewheel lever is in drive position and the power chair is under
power, the motor will help slow down the power chair as soon as you take your hand
off of the joystick.
4.8 EMI / RFI
The rapid development of electronics, especially in the area of communications, has
saturated our environment with electromagnetic (radio) waves that are emitted by
television transmitters, cellular phones, radios, wireless computer links, microwave
transmitters, paging transmitters, etc. These electromagnetic (EM) waves are
invisible and increase in strength the closer one gets to the source of transmission.
When these energy waves act upon electrical devices and cause them to malfunction
or to function in an erratic or uncontrolled manner, they are referred to as
electromagnetic interference (EMI) of radio frequency interference (RFI).
EMI / RFI and your power chair
All electrically powered vehicles, including power chairs are susceptible to
electromagnetic interference / radio frequency interference (EMI / RFI). This
interference could result in abnormal, unintended movement of your power chair.
Warning:
Unintended movement or brake release could cause an accident or injury.
The FDA has determined that each make and model of power chair can resist EMI/
RFI to a certain level. The higher the lever of resistance, the greater the degree of
protection from EMI/ RFI – measured in volts per meter (V/m). The FDA has also
determined that current technology is capable of providing 20 V/m of resistance to
EMI/ RFI, which would provide useful protection against common sources of
interference. This product has been tested and has passed an immunity lever of 20
V/m.