How to connect the Chime? 1. Click reset button Click RESET on the chime, and the chime indicator on the left will flash red for 20 seconds, indicating that the chime is in pairing mode. 2. Press your doorbell to pair up Press the doorbell button to send a pairing signal, and your chime will sound to react, together with its blue LED flashing. Chime pairing succeeds. How to set chime? 1. Chime settings 1) Ringtone selection 2) Click change ringtone (4 ringtones available) 3) Volume control button ? Level 1: 110 dB; ? Level 2: 100 dB; ? Level 3: 90 dB; ? Level 4: 80 dB How to set up? Click to enter/quit pairing mode; Press & hold 5 seconds to restore factory defaults