Final answer:
The fader on a multitrack recorder is used to control the volume of the tracks. It provides precise control over the loudness of individual elements within a mix but does not handle EQ settings, signal sending, or panning.
Step-by-step explanation:
The fader on a multitrack recorder is primarily used to control the volume of the tracks it records or plays back. Each track on the recorder typically has its own fader, allowing for precise control over the loudness of individual elements within a mix. This is essential in audio recording and mixing to ensure a balanced and well-crafted final product. While a fader may influence the amplitude of a signal, it does not typically adjust EQ settings, send the signal to the recorder (since that is determined by the input/output routing), or control panning unless specified as a pan control. Panning is usually managed by a separate control known as a pan pot or pan knob.