Why don’t I hear a sound? Why can’t I hear my baby cry?
The volume of the parent unit may be set too low or may be switched off. Press the top part on the control button to increase the volume level.
Perhaps the parent unit is muted, unmute the device by pressing the top part of the control button and adjust the volume.
The sensitivity is set too low, adjust the sensitivity in the parent unit's menu to a higher level.
The baby unit may be too far away from your baby. Make sure the baby unit is not further than 1.5 meters/ 5 feet away from your baby for optimal sound detection. Closer than 1 meter /3.5 feet increases strangulation hazard.