How Do I Turn The Chime On My ADT Door?

Chime Mode may be activated by first entering the security code and then pressing the CHIME key ([9]). 2. To exit Chime Mode, first input the security code, then press and hold the CHIME key for a second time. If the keypad is beeping at a regular interval (for example, once per minute), tapping the [] key will give you with further information.