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29
Basic use
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
Display icons and indicators
Icon or indicator Meaning
Signal strength Visible when connected to a network. Four vertical bars
means good reception and no bars means no
connection.
Ring off Ring signal muted.
Key Keys locked.
Message New message received.
Battery
•
On: indicates battery status (icon completely filled
means fully charged).
•
Flashing: battery is being charged (icon is being filled
and emptied).
Call info New missed calls.