Why do some of my outputs appear grayed out and in italics on the Core Audio panel of Console Settings? (Console 2.0 / Thunderbolt)

Note: In UAD v9.0 and later, the "Core Audio" panel is labeled as the "I/O Matrix" panel. 

There are a few different features in Console that will cause particular outputs to appear grayed out and in italics on the Core Audio panel of Console Settings. If anything is routed to particular outputs from within Console, those outputs become unavailable in the Core Audio driver and you will no longer be able to route audio to these outputs from within your DAW. Here's what to check:

1. Flex Routing

Note: Flex Routing is not available on Apollo Twin

The Flex Routing feature lets you route Console inputs back out to particular outputs of your Apollo via the OUTPUT menu above the fader for each Console input. If an input is Flex Routed to Line Output 6 for example, Line Output 6 will appear grayed out in the Core Audio panel in the Console Settings and you will not be able to route signal to this output from within your DAW.

To make the output available again, simply set the OUTPUT menu back to MONITOR and it will appear solid in the Core Audio list again.

You can also reset the Flex Routing for all Console inputs by creating a new Console session. To do this, navigate to Console > Menu > File > New.

For more information on Flex Routing, see “Console Reference” in the Apollo Software Manual.

2. Cue Bus Routing

Note: Cue Bus routing does not apply to Apollo Twin

If your Cue buses are routed to line outputs of your Apollo, these line outputs will appear grayed out on the Core Audio panel in Console Settings and you will not be able to route signal to these outputs from within your DAW.

To make sure your Cue buses are not routed to any line outputs, first navigate to Console > Settings > Hardware and set the CUE BUS COUNT to "4". Next, go back to the main Console window and click the CUE OUTPUTS button on the right hand side of the screen. On the CUE OUTPUTS popover, make sure that the four Cue buses are not being routed to any of your line outputs using the OUTPUT menu for each Cue bus.

For more information on Cue Bus routing, see “Cues Overview” in the Apollo Software Manual.

3. ALT Monitoring

When ALT Monitoring is enabled, the first four line outputs of your Apollo will automatically become grayed out and unavailable for routing from within the DAW - when enabled, these outputs are used as alternate monitoring paths. To disable ALT Monitoring, navigate to Console > Settings > Hardware and set ALT COUNT to "0" (having ALT COUNT set to "1" makes Line Outputs 1/2 unavailable, having ALT COUNT set to "2" makes Line Outputs 1-4 unavailable).

For more information on ALT Monitoring, see “ALT Monitoring Overview in the Apollo Software Manual.

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