Navon D 501, User Manual

Page: 22 / 135

22
Troubleshooting
If anything unusual occurs while using your Smart
Phone, please refer to the following table.
Frequently
Occurring
Problems
Cause How to Fix
Poor
reception
Using the Smart
Phone in an area with
poor reception such as
near tall buildings or in
a basement where
radio waves cannot be
transmitted.
Try to avoid.
Using the
Smart Phone when the
network is busy, such
as during rush hour,
when the lines are full
making it impossible to
get through.
Try to avoid.
Related to the distance
from the base station
built by the network.
You can request
that the network
service provider
provide a service
area plan.
Echo or
noise
Caused by poor
network relay, a
regional problem.
Hang up and
redial, if the relay
is changed then
the line may be
better.
Some calling regions
have poor lines.