Health and Safety Information 117In the above example, if a hearing aid meets the M2 level ratingand the wireless mobile device meets the M3 level rating, thesum of the two values equal M5. This is synonymous for Tratings. This should provide the hearing aid user with “normalusage” while using their hearing aid with the particular wirelessmobile device.“Normal usage” in this context is defined as a signal quality thatis acceptable for normal operation. The M mark is intended to besynonymous with the U mark. The T mark is intended to besynonymous with the UT mark. The M and T marks arerecommended by the Alliance for Telecommunications IndustriesSolutions (ATIS). The U and UT marks are referenced in Section20.19 of the FCC Rules.The HAC rating and measurement procedure are described in theAmerican National Standards Institute (ANSI) C63.19 standard.HAC/Wi-Fi for Newer TechnologiesThis phone has been tested and rated for use with hearing aids forsome of the wireless technologies that it uses. However, there maybe some newer wireless technologies used in this phone that havenot been tested yet for use with hearing aids. It is important to trythe different features of this phone thoroughly and in differentlocations, using your hearing aid or cochlear implant, to determineif you hear any interfering noise. Consult your service provider orthe manufacturer of this phone for information on hearing aidcompatibility. If you have questions about return or exchangepolicies, consult your service provider or phone retailer.Restricting Children's Access to YourMobile DeviceYour mobile device is not a toy. Do not allow children to play withit because they could hurt themselves and others, damage themobile device, or make calls that increase your mobile devicebill.Keep the mobile device and all its parts and accessories out ofthe reach of small children.M3 + M2 = 5 T3 + T2 = 5