Aphex USB 500 Rack - Manual (Page 4)

You should now see signal on the input and output meters and hear yourself in
the USB 500 Rack headphones.
Harrison Mixbus
Launch Mixbus and the Session Control window will open.
Click the Audio Setup tab.
Set Driver to Audio Devices.
Set Output device to Aphex ASIO [ASIO]
Set Input device to Aphex ASIO [ASIO]
Click the New Session tab.
Name the file and give it a folder location.
Click New.
Go to Options-Monitoring and select Mixbus does monitoring.
Click Track-Add Track/Bus.
Leave the default settings and click Add.
Hold down the ALT key and press the M key. This will toggle you between the
edit window and the mixer window.
In the mixer window you will see your new track on the left labeled Audio 1.
At the very top of the track where you see “Audio 1”, click the grey tab below that
shows the number 1. This will display the 6 available inputs. Click the check box
for in 1. Click anywhere outside of this window to exit.
On the far right is the Master Out. At the very top of the channel click the tab
labeled “master.” Select Track Direct Output(s).
In the Master Output window click the “system” tab.
Click on Playback_3 and Playback_4 for headphones or Playback_1 and
Playback_2 for speakers.
Click the red circle (Track Arm) on your track.
You should now see signal on the input and output meters and hear yourself in
the USB 500 Rack headphones or speakers. If using speakers, be careful of
feedback with your microphone during this setup check.