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SAFETY SUMMARY
SAFETY SUMMARY (CONTINUED)
WARNINGS
Electromagnetic interference (EMI) from sources such as radio and TV stations, amateur radio (HAM)
transmitters, two-way radios, and cellular phones can affect powered wheelchairs and motorized
scooters. Following the warnings listed below should reduce the chance of unintended brake release
or powered wheelchair movement which could result in serious injury.
1) Do not operate hand-held transceivers (transmitters receivers), such as citizens band (CB) ra-
dios, or turn ON personal communication devices, such as cellular phones, while the powered
wheelchair is turned ON;
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 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 EMI (Note: There is no easy way to evaluate their effect on the overall
immunity of the powered wheelchair); and
5) Report all incidents of unintended movement or brake release to the powered wheelchair
manufacturer, and note whether there is a source of EMI nearby.
IMPORTANT INFORMATION
1) 20 volts per meter (V/m) is a generally achievable and useful immunity level against EMI (as of
May 1994) (the higher the level, the greater the protection);
2) The MKIV-RII-LP controller has an unknown immunity level.
P7E Frame with MKIV-RII Joystick.
Modification of any kind to the electronics of this wheelchair as manufactured by Invacare may ad-
versely affect the RFI immunity levels.
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