Automatic selection of CUE channel toggle in External mixing mode

I’m regularly using two devices: the Xone K2 in internal mixing mode, where I take advantage of automatic cue channel switching. But when I switch back to my DJM S7, which works as an external mixer, the automatic channel switching stays enabled, and the option to disable it disappears. I have to switch to internal mixing mode first to make the option appear, and then disable it. I’m not sure if this is a bug or if I’m doing something wrong.

Hi @Akrilovy, this sounds like it could be a bug. I don’t have an external mixer device to test with so I’ve passed this onto engineering to see if they can replicate this.

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Hi again @Akrilovy, I spoke with engineering. Good catch! This is indeed an interesting, unhandled edge case. The vast majority of external mixers handle pre-cueing inside the hardware (the S7 even has a physical slider to blend the pre-cue between channels 1 and 2). However for the rare cases where this isn’t possible, you can select an additional output to do pre-cueing “internal mixer style” while in external mixer mode. In that case, indeed the automatic channel switching stays active or inactive (whatever it was last) even though the UI to toggle it disappears. This is indeed a bug and the team is investigating further.

In the meantime,

  1. If you pre-cue through the S7 headphone output this shouldn’t matter. Pre-cueing is handled entirely on the S7. Even if djay auto switches its internal pre-cueing it’s just the icon changing color on screen; there’s no impact on the actual audio.
  2. If you pre-cue through something else while using the S7 we’d be curious to know more specifics about this setup. Maybe we can learn something interesting here. Thanks!

Actually, it’s more serious than it appears at first.

I’m pre-cueing physically on the mixer, yes. I have channel 3–4 selected for pre-cue output, so I can preview tracks directly from the library.

The issue is: when the automatic cue selection (blue headphones icon) is enabled on a channel, it increases the signal level on that channel for me.

As a result, when I use instant doubles and switch between channels, the two identical tracks end up having different output levels, even though everything else (gain, EQ, etc.) is the same.

If I disable the channel’s auto pre-cue, the signal returns to normal.

So this causes inconsistency between channels — which shouldn’t happen — and feels like a bug.

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Thanks for the additional info regarding routing audio pre-cue for library previews @Akrilovy. Engineering has also identified the issue here and it will be fixed in an upcoming update (likely 5.4.3). Thanks!

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Hello @Akrilovy, 5.4.3 was released today and should address this issue. Thanks!

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