Odd behavior starting up DDJ-SX

[DJ Vintage]

Hi guys,

Next bit of text was part of a another post of mine about volume settings for Cross in conjuction with DDJ-SX, but never got a reply. Since I am still experiencing this problem, I hope someone has an answer.

Let me start by pasting the relevant text:

"Since two weeks I have a DDJ-SX and have been playing with it all week in preparation for a wedding gig on friday night. I had Cross on my MBP 15" and all was going well. Well, almost all. I noticed some odd behaviour with the loop section. Since I don't use loop much and I works well when I use the mouse, I wasn't too worried about that one.

I did notice something odd. When I start up Cross and load/play a track, it goes full force with the channel fader closed. Also the gain button didn't seem to respond as it should. Soon I found out that I have to move the faders to full and back and turn the gain buttons from full left to full right once. After that it all works as advertised.

Not a deal breaker, but could someone tell me if this is the normal/intended behavior?"

Actually another number of buttons have to be moved to "sync" with the software too, before working. Again, not a dealbreaker, but I wonder if it's a fixable thing or am I doing something wrong?

Thanks in advance for any light on this matter.

[djryan25]

Mine seems to be ok. Ddj sx and my denon dn mc6000. Both on 64bit of mixvibes and theclatest asio4all 64bit.

[RoJeC]

Hi Vintage. Always have this with my Mixtrack Pro. All 'range' faders need manual sync after a start of Cross.
Not sure if the values can be 'found' digitally. And if found would it be smart to sync to the hardware...

For me it always worked like this, but it might be that the MIDI improvement some subversions ago has different results for more current hardware...

(and sc drivers are not involved in MIDI communication)

[FigDJ]

DJ Vintage

Did you set up your DDJ-SX to work with non-Serato Software?
Which MIDI map are you using? There are many several versions out there including some that i authored myself.
Would you be willing to post your map so I can examine it for errors?

[DJ Vintage]

Hi FigDJ,

I am using whatever mapping comes with the software now, don't think I downloaded anything in particular. I am on a Mac. I had my SX set to non-Serato mode, including all the buttons lit/unlit as per the controller spec sheet. I have been toying around with it for a while, also switching back to Serato mode and back to Cross. This weekend I went in and checked all the settings for non-Serato Cross use, including turning everything off and then turning on the lights that should be on. Turned the unit off and on, started up Cross and it now seems to work as advertised. I'll do a few more switches between Serato and back to see if this stays like this over the week.

Will update as soon as I ran the tests.

Thanks for the help sofar.

[acemc]

DJ Vintage, let me start by saying that this is absolutely normal behaviour for most MIDI controllers, that function in MIDI mode / "non-HID". This can be easily rectified, but unfortunately needs a specific command that most manufacturers don't seem to include with their MIDI command lists. This is a "SYS-EX" or system exclusive command. What we require is called a "fader request". It is an "output" command from PC to controller very much like an output command for an led. This output however will cause the controller to send a signal from each & every variable potentiometer (up faders, bass & treble knobs etc..) back to the PC with it's relative position. So if one fader is up & one is down, the GUI will reflect that. Denon used to give the sys-ex commands, I see the 6000 MK2 doesn't have them. I haven't been able to find the ones for the DDJ-SX (what I use) yet either. Perhaps with more people looking, someone might be able to find the sys-ex codes. Until then, get into a habit of moving all faders & knobs up & down / left & right before turning your amps up!!

[DJ Vintage]

Thanks for the info. That helps. My previous controller was ... tatatata ... a Denon MC6000 mk1 ! And it never had those problems. Now I know why.

Well I'll just keep doing what I was doing then.

[acemc]

DJ Vintage, I think I found what you need.
See here: http://pioneerdj.com/support/files/img/ ... ages_E.pdf
Right at the very bottom of the list "DJ App Connect", if Im not mistaken, this is the fader request command I was talking about. Now we just need a "mixvibes MIDI guru" to integrate this into the ddj-sx mapping. Obviously this needs to be the very first MIDI message sent once the controller is connected & recognised by Cross.

[DJ Vintage]

Awesome, Ace?

FigDJ/RoJec: sounds like the right thing?

[FigDJ]

Awesome, Ace?

FigDJ/RoJec: sounds like the right thing?

I have it on all my maps for the DDJ-SX. The below statement should the 1st statement in the output section. It reads as follows:

<device-event name="StateRequest">
<MIDI type="Note" parameter="0x9" channel="0xc" value="127"/>
</device-event>

StateRequest is the Cross command
Everything is as stated in the DDJ-SX reference MIDI table

MIDI type="Note"
parameter="0x9" = Data 1 HEX
channel="0xc" = Channel 12 in Dec, C in hexadecimal
value="127" Establishes the connection and sync the state of the software with the state of the hardware.