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Emu XL-7 & MP-7 User's Group

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Re: [xl7] a nasty bug

2005-12-21 by Jose Alvarenga

Zsolt Szabo <Zsolt.Szabo@...> wrote:  Hi !

XL7, OS 2.0.
Connect both in/out to a MIDI interface or patchbay which doesn't have
the MIDI realtime msgs filtered. Enable "Merge MIDI In to Out" on the
XL7, it doesn't matter which out port, A or B which is even more weird
than what happens next. Start XL7 by pressing PLAY. Now XL7 will nicely
transmit MIDI Start message. If the MIDI interface transmits it back to
the XL7's MIDI In port a nasty MIDI loop will occur which will kill the
XL7 in approx. 10 seconds. Complete freeze. If you are quick enough to
pull the cable the XL7 is able to cope with it (buffer size big enough
to hold approx. 8-10 seconds worth of MIDI msgs ?)

100% percent reproduceable.
Workaround - filter the outgoing MIDI realtime on the MIDI
interface/patchbay towards the XL7's MIDI In. Keep an eye on
it in live situations - I learnt it the hard way ...

Regards:
Zsolt



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thanks man! ill try that 


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