See also:

Useful short commands
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Deleting all stored programs
Press the left and right memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Using contact data
At a glanceContact data from appointments, tasks, text messages, emails, and notes can be stored or selected, refer to page. Displaying a contact or selecting a phone number 1.  "Use co ...