Quantum 1470 I . E M I / R F, Frequently Asked Questions FAQs, Where do radio waves come from?

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I I I . E M I / R F I

EMI/RFI

Laboratory tests performed by the Food and Drug Administration (FDA) have shown that radio waves can cause unintended motion of power chairs. Radio waves are a form of electromagnetic energy. When this energy adversely affects the operation of an electronic device, it is called Electromagnetic Interference (EMI) or Radio Frequency Interference (RFI).

WARNING! Radio waves may interfere with the control of power chairs.

Frequently Asked Questions (FAQs)

The following FAQs summarize what you should know about EMI/RFI. Use this information to minimize the risk that EMI/ RFI will affect your power chair.

Where do radio waves come from?

Radio waves are emitted from the antennas of cellular phones, mobile two-way radios (such as walkie-talkies), radio stations, TV stations, amateur radio (HAM) transmitters, wireless computer links, microwave sources, and paging transmitters. Radio waves are a form of electromagnetic energy (EM). Because electromagnetic energy is more intense closer to the transmitting antenna (source of emission), the EM fields from two-way radios are of special concern to power chair users.

If my power chair is affected by EMI/RFI, what kind of motion should I expect?

This is hard to predict. It would depend on a number of factors:

νStrength of the radio waves

νConstruction of the power chair

νPosition of the power chair (whether it is on level ground or on an incline)

νWhether or not the power chair is in motion

An affected power chair’s movement can be erratic. It may move by itself or come to a sudden stop. Furthermore, it is possible for EMI/RFI to unexpectedly release the brakes on a power chair. Some intense sources of EMI/RFI can even damage the control system of the Power chair.

Is there any way to know for sure whether radio waves are responsible forthe unintended motion of my power chair? Unfortunately, interference from radio wave sources may be difficult to recognize, since the signals from these sources are invisible and may be intermittent. However, the FDA recommends that you report all incidents of unintended motion or brake release to the power chair manufacturer and, if possible, note whether there was a radio wave source nearby at the time of the incident.

Has anyone been hurt from erratic, unintended motion of power chairs?

The FDA has reports of injuries that resulted from the apparent uncontrolled motion of power chairs. However, it is unclear how many of these incidents were actually caused by radio wave interference.

Are all power chairs susceptible to EMI/RFI?

Each make and model of chair differs in its ability to resist electromagnetic interference. That is, each has a particular level of “immunity” to interference, measured in volts per meter (Vm). A higher immunity level offers greater protection. In other words, a power chair with a high immunity level is less likely to be affected by a strong radio source than one with a low immunity level.

Quantum Jazzy 1400 Series Rev C Feb 04

www.pridemobility.com

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Contents Includes 1470, 1420, Copyright PrideMobilityProductsCorp F E T Y G U I D E L I N E SN T E N T S Introduction N T R O D U C T I O NInformationExchange PrideMobilityProductsCorporation AttnCustomerCareDepartmentMyAuthorized Pride ProviderIs Pride Owners ClubS a F E T Y Pre-Ride Safety CheckModifications Tire Inflation Weight LimitationsIncline Information Cornering Information Braking InformationOutdoor Driving Surfaces Stationary Obstacles Steps, Curbs, etc Freewheel ModePublic Streets and Roadways Stairs and Escalators EMI & RFI Positioning Belts Inclement Weather Precautions Reaching and BendingBatteries Removable Parts AlcoholWhere do radio waves come from? Frequently Asked Questions FAQsAre all power chairs susceptible to EMI/RFI? I . E M I / R FWhat should I do if my power chair moves unexpectedly? What is the FDA doing about the problem?Quantum Jazzy 1470 1420 and 1400 are similar T H E Q UA N T U M JA Z Z Y 1 4 0 0 S E R I E SSpecifications Battery Active-Trac Suspension Electronics TrayTo operate the manual freewheel lever 1400 Manual Freewheel LeverTo operate the manual freewheel lever Unplug the connectors from the electronics tray Seat Height and Seat Angle AdjustmentO M F O R T a D J U S T M E N T S To change the seat height or seat angleSeatback Angle Adjustment To adjust the seatback angleArmrest WidthAdjustment ArmrestAngleAdjustment To change the armrest angleFootrest Angle To adjust the footrest angleController Position To extend the controllerTo adjust the ELR angle To adjust the SFR lengthTo adjust the ELR length Swing-away FootrestsAnti-Tip Wheels To adjust the anti-tip wheelsPower Elevating Seat Actuator Power Elevating Seat OptionTo operate the power elevating seat Power Elevating Seat OperationTo use the swivel feature To charge the batteries using the off-board charger To charge the batteries using the onboard chargerB a T T E R I E S a N D C H a R G I N G Batteries and ChargingCan I use a different battery charger? Frequently Asked Questions FAQs How does the charger work?How often must I charge the batteries? Daily UseWhy do my new batteries seem weak? Use these specifications to reorder deep-cycle batteriesHow can I get maximum range or distance per charge? What type of batteries should I use?How should I store my Power Chair and its batteries? How can I ensure maximum battery life?What about public transportation? What about shipping?Page I . O P E R a T I O N To select a speed setting Speed SettingsPower Accessories Power ModuleActuator Lighting Module Not Shown Sleep ModeTrouble Codes Other components are located inside the power base Motor wiring harnesses Battery wiring harnessesEuropa Master Remote JoystickTo enable the lockout system On/off key toggles the system power on and offOn/Off Key System Status LightDrive Mode and Actuator Display also Remote Status Display To change the drive mode programBattery Saver Feature Sleep Mode If EnabledFlash Code Sequence Diagnosis Solution Fault CodesShould your power chair come in contact with water Care and MaintenanceTemperature I I . C a R E a N D M a I N T E N a N C EWeekly Checks Daily ChecksTo check the brakes To calibrate the joystick Remote Plus onlyMonthly Checks Cleaning Precautions Tire/Wheel ReplacementYearly Checks StorageTo replace the batteries Battery ReplacementMotor Brushes Corrective MaintenanceTo inspect or replace the motor brushes O P T I O N a L a C C E S S O R I E S Optional AccessoriesA R R a N T Y Lifetime Limited WarrantyT E S Remote Plus Controller Europa ControllerFit and Finish Performance Inclusion of all Parts
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1470, 1400, 1420 specifications

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In conclusion, the Quantum 6000 XL, 1650, and 1420 represent the forefront of technological innovation, each tailored to specific needs while sharing a foundation of robust performance, efficiency, and connectivity. These models are tailored for industries looking to leverage advanced machinery to boost productivity and operational efficiency.
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