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● Any combined rating equal to or greater than six offers excellent use.
● Any combined rating equal to five is considered normal use.
● Any combined rating equal to four is considered usable.
Thus, if you pair an M3 hearing aid with an M3 phone, you will have a combined rating
of six for "excellent use." This is synonymous for T ratings.
More information about hearing aid compatibility may be found at: www.fcc.gov,
www.fda.gov, and www.accesswireless.org.
Getting the Best Hearing Device Experience With Your Phone
To further minimize interference, move the phone around to find the point with least
interference.
Caring for the Battery
Protecting Your Battery
The guidelines listed below help you get the most out of your battery's performance.
● Recently there have been some public reports of wireless phone batteries
overheating, catching fire, or exploding. It appears that many, if not all, of these
reports involve counterfeit or inexpensive, aftermarket-brand batteries with
unknown or questionable manufacturing standards. Use only manufacturer-
approved batteries and accessories. Buying the right batteries and accessories is
the best way to ensure they're genuine and safe.
● Only use the battery with a qualified charger. Use of an unqualified battery
charger may present a risk of fire, explosion, leakage, or other hazard. If you are
unsure about whether a charger is qualified, contact customer support.
● Do not disassemble or open, crush, bend or deform, or puncture or shred the
battery.
● Do not modify or remanufacture, attempt to insert foreign objects into the
battery, immerse or expose to water or other liquids, expose to fire, explosion, or
other hazard.
● Avoid dropping the phone or battery. If the phone or battery is dropped,
especially on a hard surface, and the user suspects damage, take it to a service
center for inspection.
● Improper battery use may result in a fire, explosion or other hazard.
● Do not short-circuit a battery or allow metallic conductive objects to contact
battery terminals.
Important Safety Information
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