Health and Safety Information 153Operating EnvironmentNational Institute on Deafness and Other Communication DisordersNational Institutes of Health31 Center Drive, MSC 2320Bethesda, MD 20892-2320Voice: (301) 496-7243Email: nidcdinfo@nih.govInternet: http://www.nidcd.nih.gov/health/hearingNational Institute for Occupational Safety and HealthHubert H. Humphrey Bldg.200 Independence Ave., SWWashington, DC 20201Voice: 1-800-35-NIOSH (1-800-356-4647)Internet: http://www.cdc.gov/niosh/topics/noise/default.htmlOperating EnvironmentRemember to follow any special regulations in force in any area and always switchyour phone off whenever it is forbidden to use it, or when it may cause interferenceor danger. When connecting the phone or any accessory to another device, read itsuser's guide for detailed safety instructions. Do not connect incompatible products.As with other mobile radio transmitting equipment, users are advised that for thesatisfactory operation of the equipment and for the safety of personnel, it isrecommended that the equipment should only be used in the normal operatingposition (held to your ear with the antenna pointing over your shoulder if you areusing an external antenna).Using Your Phone Near Other Electronic DevicesMost modern electronic equipment is shielded from radio frequency (RF) signals.However, certain electronic equipment may not be shielded against the RF signalsfrom your wireless phone. Consult the manufacturer to discuss alternatives.
