Powered Chair Electromagnetic Interference (EMI)
Because EMI energy rapidly becomes more intense as one moves closer to the transmitting antenna (source), the EMI fields from hand- held radio sources (transceivers) are of special concern. It is possible to unintentionally bring high levels of EMI energy very close to the power chair’s control system while using these devices. This can affect powered chair movement and braking. Therefore, the warnings listed below are recommended to prevent possible interference with the control system of the powered chair.
WARNINGS
The following warnings listed below should reduce the chance of unintended brake release or power chair movement, which could result in serious injury.
1.Do not operate
2.Be aware of nearby transmitters, such as radio or TV stations, and try to avoid coming close to them.
3.If unintended movement or brake release occurs, turn the power chair OFF as soon as it is safe.
4.Be aware that adding accessories or components, or modifying the power chair may make it more susceptible to EMI.
NOTE: There is no easy way to evaluate the overall immunity of the powered chair.
Report all incidents of unintended movement or brake to the power chair provider, and note whether there are sources of EMI nearby.
6/25/2004 | 5 |
