Merits S542, User Manual

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8
Safety Instructions
S542
3) If unintended movement or brake release occurs, turn the powered wheelchair
off as soon as it is safe.
4) Be aware that adding accessories or components, or modifying the powered
wheelchair, may make it more susceptible to interference from radio wave
sources. (Note: there is no easy way to evaluate their effect on the overall
immunity of the powered wheelchair).
5) Report all incidents of unintended movement or brake release to the powered
wheelchair manufacturer, and note whether there is a radio wave source
nearby.
TURN OFF YOUR SCOOTER AS SOON AS POSSIBLE WHEN
EXPERIENCING ANY OF THE FOLLOWEING:
1. Unintentional motions.
2. Unintended of uncontrollable direction.
3. Unexpected brake release.
The FDA has written to the manufacturers of power wheelchairs, asking them
to test their new products to be sure they provide a reasonable degree of
immunity against EMI. The letter says that powered wheelchair should have
an immunitylevel of at least 20 V/m, which provide a reasonable degree of
protection against the more common sources of EMI. The higher the level,
the greater the protection.