
Each key has two levels that can be assigned functions. The LED shows the status of the function on the first level. In order to carry out the function on the first level, press the key once. In order to carry out the function on the second level, press the key twice or press the Shift key (using the function key assigned to Shift), and then press the key once. Tip: If you configure Speed dialling keys for internal subscribers,the corresponding + + LEDs show information about the busy or activit