See also:

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Address book
Create contacts ...

General information
Additional information can be displayed on the right side of the split screen, e.g., information from the computer. In the divided screen view, the so-called split screen, this information rema ...