Kurzweil K2661 Musician's Manual page 457

Advanced KDFX
Effects Buses
pressing Edit, and find those two parameters on the first parameter page (PARAM1). You'll see
their values are the same as on the FXBUS page.
Exit
Edit
Figure 15-6 Bus Overrides in Place, But Not Engaged
Press Exit to go back to the FXBUS page.
To engage a bus override, you have to use it, which you do by moving the parameter away from
its nominal value on the FXBUS page. Do that, and then go back inside the FX preset.You'll see
that the value of the parameter you've changed is now shown as BusMod, meaning that the
FX preset parameter is under the control of the bus override.
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