User manual

7
To further minimize interference, consider doing the
following:
•
Set the phone's display setting to ensure the minimum
time interval:
1. Touch > > Settings > Display.
2. Touch Sleep to set the time interval before the
display backlight turns off.
•
Position the phone so the internal antenna is farthest
from your hearing aid.
•
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.
•
Use only carrier-approved or manufacturer-approved
batteries and accessories. Buying the right batteries
and accessories is the best way to ensure they're
genuine and safe.
•
In order to avoid damage, charge the battery only in
temperatures that range from 32
o
F to 113
o
F (0
o
C to
45
o
C).
•
Don't use the battery charger in direct sunlight or in
high humidity areas, such as the bathroom.
•
Never dispose of the battery by incineration.
•
Keep the metal contacts on top of the battery clean.
•
Don't attempt to disassemble or short-circuit the
battery.
•
The battery may need recharging if it has not been
used for a long period of time.
•
It's best to replace the battery when it no longer