DA610


IMPORTANT: This procedure deletes all memory contents of the telephone including the telephone book, redial list etc.!


1.) Lifting the handset

2.) Press memory key

3.) Enter 1 250

4.) Press memory key

5.) Replace the handset




DA 710 & DA810A


IMPORTAN: This procedure deletes all memory contents of the telephone including the telephone book, redial list etc.!


1.) Lifting the handset

2.) Press the menu key

3.) Enter 1 250

4.) Confirm with OK

5.) Replace the handset