Siemens 500 advance User Manual

Confirm.

Select and confirm.

Select and confirm.

Select and confirm.

Press the key. The LED lights up.

Select and confirm.

FB:

Enter the code.

Press the key. If the key is already in use, its assignment 
appears on the screen.

Confirm.

Select and confirm the function, such as "Do not 
disturb".
All programmable functions appear on the screen. See 
Quick-Reference Operating Instructions (Appendix): 
section ... about function keys.

Select and confirm.
Some functions (such as "Call forwarding") accept in-
complete entries. This means you have to add more dig-
its later on when you activate the function by pressing 
a key.

Confirm.

Select and confirm.

Program/Service

*

Now press the key to access the function direct-
ly. If the function can be turned on and off, 
such as "Do not disturb", pressing the key multi-
ple times turns the function on and off.