He reached over and flipped down the volume control on the radio.
There was a slit along one end for the volume control.
Physical buttons are the power button, a volume control on the side of the phone.
There is no volume control - you use your player for that.
A common example is a volume control for a radio receiver.
There's some kind of dried food stuck on the volume control.
It doesn't help just to turn down the volume control.
One performer changed stations, the other worked the volume control.
In addition, 25 percent, but never less than one, of all other public phones must have volume controls.
A convenient volume control is accessible on the left hand side.