Part No. 1114809
25
TDX WHEELCHAIRS
WARNING
Because EM energy rapidly becomes more intense as one moves closer to
the transmitting antenna (source), the EM fields from hand-held radio
wave sources (transceivers) are of special concern. It is possible to unin-
tentionally bring high levels of EM energy very close to the powered
wheelchair's control system while using these devices. This can affect
powered wheelchair movement and braking. Therefore, the warnings
listed below are recommended to prevent possible interference with the
control system of the powered wheelchair.
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.
CAUTION:
Following the warnings listed below should reduce the chance of unin-
tended 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) radios, 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 immu-
nity level against EMI (as of May 1994) (the higher the level, the
greater the protection);
2) While this product as shipped with MK5 electronics has been tested
and is immune to signal levels up to 20 V/m, the maximum immunity
level of the product is unknown.
Modification of any kind to the electronics of this wheelchair as manufac-
tured by Invacare may adversely affect the RFI immunity levels.
SAFETY
AND
HANDLING
GENERAL GUIDELINES
SECTION 1
All manuals and user guides at all-guides.com
