8
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.
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.
Your phone meets the M4 rating.
1.2
Protecting Your Battery
Warn reminders about battery:
Please don’t store your mobile phone battery at a place
with extremely high or low temperature, for it will affect
the service life of the battery, and shorten the standby time.
The service life of the mobile phone battery is subject to a
certain limit. It is recommended that to change a battery
from the original supplier if the performance of the battery
has declined, after using it for certain period of time.
Points of attention on use of battery:
·
Make sure to switch off the mobile phone before you
remove the battery.
·
Please use it carefully. A short circuit will occur if the
positive pole (+) and the negative pole (-) of the battery
is connected with a metal objects (for example, a coin
or clip). It may do the damage to both the battery and
the metal object. Make sure that no metal object will be
connected simultaneously with the positive pole and
the negative pole of the battery after it is removed and
put in a bag.
·
Don’t throw the battery into the fire, or use it under an
extremely high temperature condition.
·
Don’t dismantle or modify the battery.