Assertion: oscilloscope's voltage | /r/CapableOf | move luminous spot
Facets:
value: on the screen
type: LOCATION
value: periodically
type: TEMPORAL
value: in a horizontal direction from left
type: MANNER
Source sentences:
text: The horizontal voltage moves the luminous spot periodically in a horizontal direction from left to right over the display area or screen.
text: The vertical voltage moves the luminous spot up and down on the screen.