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133
Troubleshooting
Using this guide
Overview DT570
Contents
Preparing for use
Basic use
Telephoning options
Advanced telephoning
Phone book
Mail
Settings
Extra features
Using networks
Tips
Troubleshooting
Maintenance
Safety instructions
Technical
specifications
Glossary
If the phone lock is activated, you need to enter the phone lock code
before you can use the phone. If the message
Enter lock code
appears
in the display, enter your phone lock code and press . See for more
information “Phone lock code protection” on page 112.
The phone lock is activated