About This Book
xii
Issue 3 October 1997
Electromagnetic Compatability
Warning
Important Safety Guidelines for Users
For safe and efficient operation of your DEFINITY Wireless Business System
(DWBS) Pocket Phone (wireless telephone), observe these guidelines.
Your wireless telephone is a radio transmitter and receiver. When the battery is
installed, the phone is on and it receives and also sends out radio frequency (RF)
energy. The phone operates in the frequency range of 1920-1930 MHz. Your
handheld wireless telephone uses the digital TDMA mode; the power is
transmitted in bursts at a 100 Hz pulsed repetition rate. The peak envelope
transmit power is 100 mW or less.
Exposure to Radio Frequency Energy
The design of your wireless telephone complies with the latest Institute of
Electrical and Electronic Engineers (IEEE) and the American Standards Institute
(ANSI) safety levels with respect to human exposure to RF energy. Of course, if
you would like to limit RF exposure even further, you may choose to control
the duration of your calls.
Cardiac Pacemakers
The Health Industry Manufacturers Association recommends that a minimum
separation distance of six inches be maintained between a hand-held wireless
telephone and a pacemaker to avoid potential interference with a pacemaker.
These recommendations are consistent with the independent research by and
recommendations of Wireless Technology Research.
■
Always keep the pocket phone more than six inches from the pacemaker
whenever the battery is in the pocket phone.
■
Do not carry the pocket phone in a breast pocket.
■
Use the ear opposite the pacemaker to minimize the potential for
interference.
If you have any reason to suspect that interference is taking place, take the
battery out of your phone immediately.
