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8. Wireless technology & Functions
8.5 Addressing Wireless Coexistence Issues and Solutions
Wireless interference can occur when multiple devices operate in close proximity. To mitigate
potential wireless coexistence challenges:
1. Distance from Other Devices: When utilizing the mobile phone with the wheelchair, ensure
that other wireless devices are positioned at least 2 meters away from the wheelchair.
2. Check Surroundings: Before using the mobile control feature, inspect your environment for
any devices that might interfere with the Bluetooth connection.
3. Minimize Wireless Traffic: If possible, limit the use of other wireless devices in the vicinity
while operating the wheelchair through the mobile phone to prevent potential signal
interference.
4. Awareness: Always be aware of the operational quality of the wheelchair when using the
mobile control, and be prepared to switch to manual controls if interference affects
functionality.
This device meets the standards set by Part 15 of the FCC Rules. It operates under the
following stipulations:
• No Harmful Interference: The device is crafted to avoid causing interference with other
electronic equipment or services.
• Tolerance to External Interference: It is designed to accept any external interference it
might encounter, including instances that could lead to unexpected operations.
For optimal and lawful use, always follow the device's operational guidelines, ensuring you
adhere to FCC regulations and ensuring uninterrupted, safe operation.
8.6 RF Wireless Communications Compliance
1. Environmental Considerations: It is advised to keep the device away from
environments with high electromagnetic (EM) disturbances.
2. Performance Concerns: Should the device's performance degrade or cease entirely due
to EM disturbances, immediately discontinue its operation.
3. Accessory and Cable Usage: Utilizing cables or accessories other than those
recommended or provided by the manufacturer could elevate electromagnetic
emissions or diminish the device's electromagnetic immunity. This might lead to the
device malfunctioning.
4. Proximity to Other Devices: When the device is operational, it's crucial to avoid using it
near other equipment. If simultaneous operation with another device is inevitable,
both devices should be closely monitored to ensure they're functioning properly.
5. Distance from RF Communication Equipment: Portable RF communications devices,
along with related peripherals (like antenna cables or external antennas), should
maintain a minimum distance of 30 cm (12 inches) from any part of this device. This
precaution ensures the device's optimal performance isn't compromised.
6. Potential RF Emission Sources: Please be aware of common RF emitters in proximity,
such as RFID readers, electronic security systems (like metal detectors and electronic
article surveillance), NFC systems, WPT, and unique medical devices (like
electrocautery, MRI, electrosurgical units, and diathermy equipment). Such emitters
might produce electromagnetic interference (EMI). To ensure safety and functionality,
maintain a safe distance from these sources when using the device.
8.7 Warnings
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