+ + - 3iii 3iv 32+ CR20 32+ CR20 Tune Selection Your Bell Push can be set up to make the Door Chime play a choice of note sequences as follows: a. There is an external adapter socket (C in Diagram 5) which allows you to power the Door Chime receiver from a 220-240V mains socket using the Friedland Libra plug-in mains adapter which can be purchased separately (D254). We recommend that only long-life alkaline batteries are used (eg Duracell or Energiser). D346 Pack Contents q q q q Bell Push Door Chime Door Chime wall hanging bracket (incl screws and wall plugs for mounting) Adhesive pad and screws for mounting the Bell Push 1 A 2 You will need 2 x LR14 (C) alkaline batteries for the Door Chime. Libra Wirefree Bell Push & 200m Chime with Light Instructions for Model No.