To do this (according to the schematics) would likely require the source track gets recorded or split to two MONO tracks.
That way you could put the phaser on one track and the phaser/delay combo on another.
It would take a bit of tinkering, and I'd suggest using the Save Group option in the FX area so the settings get saved per track (give each track it's own Group and it should load that Group, including settings, when invoked).

Again, you'd have to tinker with the chosen phaser and delay settings since these seem to be presets in the synth with fixed values.
It can likely be emulated, but not easily using any trick I know of.


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