Question about panel switch and footswich issues

[Shadownight5150]

Hello im designing a reverb unit and am wiring up a switch to be able to switch between 2 reverb level settings. My question is how would i wire it so i can use the switch but if i plug in a footswitch it defeats the panel switch and makes the foot switch the default

[Shadownight5150]

[bluebunny]

Do you have a schematic so we can see how your current switching is arranged?