M-Audio M-TRACK plus - Mac Audio Setup; macOS Audio Configuration; M-Track Plus Front Panel Features; USB Port and Main Outputs

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Mac
1. Use the included USB cable to connect the M-Track Plus to your computer.
2. Go to System Preferences  Sound.
3. Under the Output tab, select M-Track Plus as your default device.
4. Under the Input tab, select M-Track Plus as your default device.
5. Close the window.
Features
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1. USB PORT – Use the included cable to connect the M-Track Plus to a computer. M-Track Plus
requires a USB 1.1 (or higher) connection.
2. MAIN OUT – Use standard 1/4" cables to connect this output to a pair of powered speakers. The level
of this output is controlled by the MAIN LEVEL knob.
3. MAIN LEVEL – Adjusts the output volume of the MAIN OUT so you can control the listening level of
your connected powered monitors.
4. MIDI IN – Use a standard five-pin MIDI cable to connect this input to the MIDI OUT of an external MIDI
device.
5. MIDI OUT – Use a standard five-pin MIDI cable to connect this output to the MIDI IN of an external
MIDI device.
6. S/PDIF IN – Connect the digital output of another device (e.g., a keyboard, digital cable box, media
streaming device, etc.) to this input using a 75 Ω coaxial (RCA) cable. Note that the GAIN knobs, MAIN
LEVEL knob, and HEADPHONE VOLUME knob do not affect the signal level; the signal will be sent
straight to your DAW without any adjustments.
7. S/PDIF OUT – Connect the digital input of another device (e.g., a stereo system receiver, solid-state
flash recorder, etc.) to this output using a 75 Ω coaxial (RCA) cable. The signal sent from this output is
identical to that of the MAIN OUT.
8. INPUT SELECTOR – Selects M-Track Plus's input source. For normal operation (using the MIC
INPUTS and GUITAR/LINE INPUTS), set this switch to "ANALOG." When using the S/PDIF IN, set this
switch to "DIGITAL"; M-Track Plus will ignore the GUITAR/LINE INPUTS and INSERTS.
9. PHANTOM POWER LED – Lights up when phantom power is engaged.
10. MIDI OUT LED – Flashes when MIDI data is sent from your software to M-Track Plus's MIDI OUT.
11. MIDI IN LED – Flashes whenever MIDI data is received from an external MIDI controller.
12. USB LED – Illuminates when a valid USB connection has been established between your computer
and M-Track Plus. Use this light to verify that M-Track Plus is receiving power and is ready to use.
13. LED METERS – Indicates the audio level of the MAIN OUT.