Samsung Code SCH-i220 User Manual - Page 16
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Using Your Phone Near Other Electronic Devices
Most modern electronic equipment is shielded from radio frequency (RF)
signals. However, certain electronic equipment may not be shielded
against the RF signals from your wireless phone. Consult the
manufacturer to discuss alternatives.
Pacemakers
Pacemaker manufacturers recommend that a minimum distance of 15 cm
(6 inches) be maintained between a wireless phone and a pacemaker to
avoid potential interference with the pacemaker.
These recommendations are consistent with the independent research
and recommendations of Wireless Technology Research.
Persons with pacemakers:
should always keep the phone more than 15 cm
(6 inches) from their pacemaker when the phone is switched on.
should not carry the phone in a breast pocket.
should use the ear opposite the pacemaker to minimize potential
interference.
If you have any reason to suspect that interference is taking place, switch
your phone off immediately.
Hearing Aids Compatibility with Mobile Phones
T-coil mode
When some mobile phones are used near some hearing devices (hearing
aids and cochlear implants), users may detect a buzzing, humming, or
whining noise. Some hearing devices are more immune than others to
this interference noise, and phones also vary in the amount of
interference they generate.
The wireless telephone industry has developed ratings for some of their
mobile phones, to assist hearing device users in finding phones that may
be compatible with their hearing devices. Not all phones have been rated.
Phones that are rated have the rating on their box or a label on the box.
The ratings are not guarantees. Results will vary depending on the user's
hearing device and hearing loss. If your hearing device happens to be
vulnerable to interference, you may not be able to use a rated phone
successfully. Trying out the phone with your hearing device is the best
way to evaluate it for your personal needs.
M-Ratings: Phones rated M3 or M4 meet FCC requirements and are likely
to generate less interference to hearing devices than phones that are not
labeled. M4 is the better/higher of the two ratings.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and are likely to
be more usable with a hearing device's telecoil ("T Switch" or "Telephone