Siemens 500 advance User Manual

You can test your telephone functions.

Precondition: Your telephone is idle.

Press the key. The LED lights up.

Select and confirm.

FB=9

Enter the code.

If everything is OK,
•

all LEDs on the telephone start flashing, including 
the ones on the key module (only the Program/Ser-
vice menu LED lights up);

•

your station number appears on the screen;

•

all pixels in the display are activated;

•

the ringer signal sounds.

You can check the assignment of keys on your tele-
phone to see which functions are programmed on 
which keys. 

Press the key. The LED lights up.

Select and confirm.

FB:

Enter the code.

Press the key. The key assignment appears on the 
screen.

Select and confirm.

Select and confirm.

Program/Service

*

Program/Service

*