Assertion: oscilloscope's screen | /r/HasProperty | blank
Facets:
value: on an analog oscilloscope
type: LOCATION
Source sentences:
text: In normal mode the oscilloscope only sweeps if the input signal reaches the set trigger point; otherwise (on an analog oscilloscope) the screen is blank or (on a digital oscilloscope) frozen on the last acquired waveform.
text: Otherwise, the screen is blank or frozen on the last detected signal.