zài / zhè tái / shè bèi / shàng / fǎn shí zhēn / xuán zhuǎn / xuán niǔ / huì / zhú jiàn / jiàng dī / yīn liàng在这台设备上,反时针旋转旋钮会逐渐降低音量。On this device, rotating the knob counterclockwise gradually lowers the volume.