in bluetooth-enabled models, the bluetooth volume control is located on the right side of the control module. it increases or decreases the volume of a connected bluetooth device. each press of the bluetooth volume control button will change the volume incrementally. press and hold the volume button to change the volume continuously.
/connecting_other_products/a20v2_bt_module_bt_volume_control.psd/jcr:content/renditions/cq5dam.web.320.320.jpeg)