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Chime settings.
Settings.
Click to enter/quit pairing mode;
Press & hold for 5 seconds to restore factory
defaults.
Volume control button.
Click to control volume:
level 1: 110 dB; level 2: 100 dB
level 3: 90 dB; level 4: 80 dB
Ringtone selection.
Click to change ringtone (4 ringtones available).
