Usage guidelines: All about performance and safety 153hand-held wireless phones. Those guidelines are consistentwith the safety standards previously set by both U.S. andinternational standard bodies:• ANSI C95.1 (1992)• NCRP Report 86 (1986)• ICNIRP (1996)Those standards were based on comprehensive and periodicevaluations of the relevant scientific literature. For example,over 120 scientists, engineers, and physicians fromuniversities, government health agencies, and industryreviewed the available body of research to develop the ANSIStandard (C95.1).The design of your phone complies with the FCC guidelines(and those standards).Antenna careUse only the specified of approved replacement antenna.Unauthorized antennas, modifications, or attachments coulddamage the phone and may violate FCC regulations.Phone operationNORMAL POSITION: Hold the phone as you would any othertelephone with the antenna pointed up and overyour shoulder.TIPS ON EFFICIENT OPERATION :For your phone to operate most efficiently:• Extend your antenna fully.• Do not touch the antenna unnecessarily when the phoneis in use. Contact with the antenna affects call qualityand may cause the phone to operate at a higher powerlevel than otherwise needed.