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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
36
).
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
38
).
Summary of Contents for CMD-J7
Page 1: ...3 233 649 14 1 ial Use unications AB Mobile Telephone ...
Page 62: ...ial Use unications AB ial Use unications AB ...
Page 63: ...Getting Started Your Sony CMD J7 J70 ial Use unications AB ial Use unications AB ...
Page 67: ...ial Use unications AB 01GB05BAC AE4 fm Seite 67 Montag 25 Februar 2002 10 33 10 ...
Page 68: ...ial Use unications AB 01GB05BAC AE4 fm Seite 68 Montag 25 Februar 2002 10 33 10 ...