Yamaha YME8 falsely advertised as Midi Merger?

A super cheap YME-8 arrived at my doorstep today. I ordered it after looking for Midi Mergers and gathering some info about this Unit.
Syntaur as well as Polynominal advertise that these units do not only deliver a thru signal but also a merge signal.
https://www.polynominal.com/site/studio/gear/synth/yamaha-yme8/yamaha-yme8.html

“Midi Merge
If sending 2 signals from midi IN to same Midi OUT groups the YME8 acts also as a basic Midi merger.”

Upon investigation the switches on the devices act as one ways and thus I cannot create a merge signal. Anyone that owns a YME that can tell me where I went wrong or is there just some false information floating around the web?

The basic manual shows examples but nothing to do with merging the midi inputs:

http://www.midimanuals.com/manuals/yamaha/yme8/owners_manual/yme8e.pdf

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Yeah thats what I’ve been noticing too! Crazy, there are various other sites like auctions etc. that adverted it as a merge/thru ^^
nonetheless a rock solid and active midi thru, worth the buck
Wonder if there is a way to give it an “and” connection rather than only “or” connections…
@darenager i hope you don’t mind that I’m summoning you :smiley:

EDIT: But obv. the one who reads carefully and spends more time researching would not find the self in this situation

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I used this one in the past, not sure if they are still made though.

https://en.audiofanzine.com/midi-interface/m-audio/Merge-2x2/user_reviews/

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Interesting! I was thinking more on the modifying circuitry side ^^
As in having a position for the lower switch that connects midi IN-2 to Out-4/8 and IN-1 to Out-4/8. As I can have both seperately communicating to these outs I’m wondering if it is worth a try to have both communicating to it simultaneously. But to be fair I have close to no expertise in modifying existing midi connections and I do not know if this would be even technically feasible at all

You could try a mod but in most cases it won’t work due to the way midi signals are scheduled, a proper merger has a microcontroller which will take care of this.

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