Gigaset C570HX Manual page 38

Setting the handset
Resetting the handset to the default settings
Reset any individual settings and changes that you have made.
¤
. . . use
Reset OK Yes . . . the handset's settings are reset
The following settings are not affected by a reset
•
Registration of the handset to the base station
•
Date and time
•
Directory entries and call lists
36
to select Settings
Availability and operation of the functions
may differ on your telephone.
OK System OK Handset