Health and Safety Information 149Posted FacilitiesSwitch your mobile device off in any facility where posted noticesrequire you to do so.Potentially Explosive EnvironmentsSwitch your mobile device off when in any area with a potentiallyexplosive atmosphere and obey all signs and instructions. Sparksin such areas could cause an explosion or fire resulting in bodilyinjury or even death. Users are advised to switch the mobiledevice off while at a refueling point (service station).Users are reminded of the need to observe restrictions on the useof radio equipment in fuel depots (fuel storage and distributionareas), chemical plants, or where blasting operations are inprogress. Areas with a potentially explosive atmosphere areoften, but not always, clearly marked. They include below deckon boats, chemical transfer or storage facilities, vehicles usingliquefied petroleum gas (such as propane or butane), areaswhere the air contains chemicals or particles, such as grain,dust, or metal powders, and any other area where you wouldnormally be advised to turn off your vehicle engine.When your Device is WetDo not turn on your device if it is wet. If your device is already on,turn it off and remove the battery immediately (if the device willnot turn off or you cannot remove the battery, leave it as-is).Then, dry the device with a towel and take it to a service center.FCC Hearing Aid Compatibility (HAC)Regulations for Wireless DevicesThe U.S. Federal Communications Commission (FCC) hasestablished requirements for digital wireless mobile devices to becompatible with hearing aids and other assistive hearing devices.When individuals employing some assistive hearing devices(hearing aids and cochlear implants) use wireless mobiledevices, they may detect a buzzing, humming, or whining noise.Some hearing devices are more immune than others to thisinterference noise, and mobile devices also vary in the amount ofinterference they generate.The wireless telephone industry has developed a rating systemfor wireless mobile devices to assist hearing device users findmobile devices that may be compatible with their hearingdevices. Not all mobile devices have been rated. Mobile devicesthat are rated have the rating on their box or a label located onthe box.The ratings are not guarantees. Results will vary depending onthe user's hearing device and hearing loss. If your hearing devicehappens to be vulnerable to interference, you may not be able touse a rated mobile device successfully. Trying out the mobile