Assertion: face cam | /r/CapableOf | act as the follower
Facets:
value: for two orthogonal outputs
type: PURPOSE
Source sentences:
text: A face cam that implements three outputs for a single rotational input is the stereo phonograph, where a relatively constant lead groove guides the stylus and tonearm unit, acting as either a rocker-type (tonearm) or linear (linear tracking turntable) follower, and the stylus alone acting as the follower for two orthogonal outputs to representing the audio signals.