59
GB
G
e
tti
n
g
Sta
rte
d
Yo
u
r S
o
n
y
CM
D-Z
7
Ba
s
ic
O
p
er
at
io
n
Me
nu
O
p
er
at
io
n
A
p
pe
nd
ix
No
t f
or
C
om
m
er
cia
l U
se
So
ny
E
ric
ss
on
M
ob
ile
C
om
m
un
ica
tio
ns
A
B
Appendix
Troubleshooting
Problem
Possible Causes
Possible Remedies
Unable to switch
on
Empty battery
Charge the battery (see page
13
).
Defective battery
Replace the battery. Note that after several
years, gradual decline is normal.
The
icon
appears
Weak signal
Move to an open space or nearer to a window.
Outside GSM coverage area
Check operator coverage map.
SIM not valid
Call your service provider.
Network access not allowed
Try manual network search (see page
37
).
Call not possible
Dialling error
Use full national area code. When abroad, use
also international access code to reach home
country.
All calls barred
Check settings (Password is needed to clear).
Another SIM inserted
Check for new restrictions.
Call barring set
Check outgoing call barring settings (see page
39
).
01GB01COV-AE4.book Seite 59 Montag, 25. Februar 2002 3:09 15