Mpman PH500 - Manual (Page 70)

MPMAN PH500
-28-
Signals are
obstructed.
For instance,
radio waves
cannot be
effectively
transmitted
nearby a high
building or in a
basement.
Move to a place where signals
can be effectively transmitted
Avoid using the mobile phone in
high-traffic hours
Charge the battery
Cancel call barring
Line congestions
occur when you
use the mobile
phone in high-
traffic hours
The battery energy
is exhausted.
Call barring is
activated
Poor
receive
d signal
quality
The
mobile
phone
cannot be
powered
on
Calls
cannot be
dialed