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Appendix
Precautions for users of implanted cardiac pacemakers
Cardiac pacemakers (applies only to digital cordless telephones):
Wireless Technology Research, LLC (WTR), an independent research entity, led a multidisciplinary evaluation
of the interference between portable wireless telephones and implanted cardiac pacemakers. Supported by
the U.S. Food and Drug Administration, WTR recommends to physicians that:
Pacemaker patients
Should keep wireless telephones at least six inches from the pacemaker.
Should NOT place wireless telephones directly over the pacemaker, such as in a breast pocket, when it is
turned ON.
Should use the wireless telephone at the ear opposite the pacemaker.
WTR’s evaluation did not identify any risk to bystanders with pacemakers from other persons using
wireless telephones.
Operating range
This cordless headset operates with the maximum power allowed by the Federal Communications
Commission (FCC). Even so, this headset and telephone base can communicate over only a certain distance
- which can vary with the locations of the telephone base and headset, the weather, and the layout of your
home or ofce.
When the headset is out of range, the headset earpiece rapidly beeps three times every 10 seconds.
If there is a call while the headset is out of range, it may not ring, or if it does ring, the call may not connect
well when you press on the headset. Move closer to the telephone base, then press on the headset to
answer the call.
If the headset moves out of range during a telephone conversation, there may be interference.
To improve reception, move closer to the telephone base.
Maintenance
Taking care of your headset
Your cordless headset contains sophisticated electronic parts, so it must be treated with care.
Avoid rough treatment
Place the headset down gently. Save the original packing materials to protect your headset if you ever need to
ship it.
Avoid water
Your headset can be damaged if it gets wet. Do not use the headset outdoors in the rain, or handle it with wet
hands. Do not install the headset charger near a sink, bathtub or shower.
Electrical storms
Electrical storms can sometimes cause power surges harmful to electronic equipment. For your own safety,
take caution when using electrical appliances during storms.
Cleaning your headset
Your headset has a durable plastic casing that should retain its luster for many years. Clean it only with a soft
cloth slightly dampened with water or mild soap. Do not use excess water or cleaning solvents of any kind.
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