dials
nounUK /ˈdaɪəlz/
US /ˈdaɪəlz/
Round parts on a machine that you turn or look at to make it work.
He turned the dials on the radio to find his favorite song.
OTHER MEANINGS
2. The round face of a clock or watch that shows the time.
The clock's dials glowed in the dark.
3. To press the buttons on a phone to call someone.
She dialed her grandmother's number.
4. To change a setting on a device by turning a knob.
He dialed the volume down on the TV.
5. Round markers on a measuring instrument that show a number.
The dials on the scale showed his weight.