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8
Contents
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
Maintenance 140
Required service 141
Cleaning 142
Changing the battery 143
Safety instructions 144
Technical specifications 146
Glossary 149
Index 155