Assertion: oscilloscope's function | /r/HasProperty | to sweep the electron beam
Facets:
value: across the screen
type: TRANSITIVE-OBJECT
value: from left
type: MANNER
value: at a steady speed
type: MANNER
value: horizontally
type: MANNER
Source sentences:
text: The function of the X-plates is to sweep the electron beam across the screen horizontally from left to right at a steady speed.