You can activate the functions of your system by entering codes such as:
DND (do not disturb) on.
DND (do not disturb) off.
All codes to activate or enable functions are always introduced with the digits
, and all codes to deactivate, disable or delete functions always begin with the digits
.
The codes themselves may contain up to three digits.
An alphabetically ordered overview of all functions and their corresponding codes can be found in the Appendix (Quick-Reference Operating Instructions).