syn can send and receive NRPN commands to change individual parameters.  

<p>
<p>As a result, <b>you cannot write patches on the PreenFM2 from Edisyn. </b> To write a patch, you should send the current patch (which sends it to Instrument 1), and then manually save the patch on the PreenFM2.

<p><p>Because the PreenFM2's parameters don't come in all at one time as a single sysex dump, <b>merging</b> may be flakey.  Edisyn waits until it sees parameter number 399 (notionally the last PreenFM2 parameter sent)