1. IN 1: Connect your microphone, guitar, bass, or synthesizer here. For microphones, use an XLR cable. For guitars, basses, and synthesizers, use a 1/4 inch jack cable. The GAIN knob next to the input controls the input level.
2. IN 2: Connect your microphone, guitar, bass, or synthesizer here. For microphones, use an XLR cable. For guitars, basses, and synthesizers, use a 1/4 inch jack cable. The GAIN knob next to the input controls the input level.
3. LINE/INST: Select LINE when using the corresponding input with a synthesizer or any other line level source. Select INST when using a guitar or bass.
4. LINE/INST: Select LINE when using the corresponding input with a synthesizer or any other line level source. Select INST when using a guitar or bass.
5. 48V: Enable the 48V power supply (phantom power) for IN 1’s and IN 2’s XLR connector when using a condenser microphone.
6. MONO/STEREO: Select MONO when listening to mono sources connected to the inputs via headphones (direct monitoring). Select STEREO when listening to a stereo source connected to either IN 1 and IN 2 or IN 3 and IN 4.
7. 1-2/3-4: Select 1-2 to listen to IN 1 and IN 2 via headphones (direct monitoring). Select 3-4 to listen to IN 3 and IN 4. Note that the INPUT/HOST knob needs to be turned to the left in order to listen to the inputs via headphones.
8. INPUT/HOST: Adjust the balance between the inputs (direct monitoring) and the audio from the computer for the headphones output. Note that the 1-2/3-4 switch needs to be set to the pair of inputs you want to listen to.
9. Headphones outputs: Connect your headphones here. The knob above each of the outputs controls the headphones volume.
10. OUT 1/2 VOLUME: Control the output level of the outputs on the back of the device, OUT 1 and OUT 2.
11. Metering: Check the individual input levels of inputs IN 1 - IN 4 and the combined output level of OUT 1 and OUT 2.
12. Status LEDs: Check the status of the USB connection and the 48V microphone power supply (phantom power) as well as activity on the MIDI IN and MIDI OUT.
13. IN 3 and IN 4: Connect additional equipment here using 1/4 inch jack cables, for example, an external effects processor.
14. OUT 1 and OUT 2: Connect your stereo system or active loudspeakers here using 1/4 inch jack cables.
15. OUT 3 and OUT 4: Connect additional equipment here using 1/4 inch jack cables, for example, an external effects processor.
16. SPDIF IN 5/6 / SPDIF OUT 5/6: Connect additional equipment here using coaxial RCA cables carrying a digital signal according to the S/PDIF standard (Sony/Philips Digital Interface).
17. MIDI IN / MIDI OUT: Connect MIDI equipment here using a 5pin DIN cable, for example, a MIDI keyboard or a synthesizer.
18. USB Connector: Connect your computer here using the provided USB cable.
