Assertion: turntable | /r/HasProperty | level
Facets:
value: at the point
type: TEMPORAL
value: perfectly
type: DEGREE
Source sentences:
text: In contrast, a gravity-type tracking force adjustment (such as using the counterweight to apply the tracking force) required that the turntable be perfectly level, since the weight was, in effect, being “pulled down by gravity” in order to be accurate.
text: Making sure that your turntables are level is very important to avoid tracking errors and minimising fluttering during playback.
text: While it's most important to have the turntables be level at the point where the stylus tracks the record, you will also want to check the platter at a few other points.