Question Does the tap-tempo switch override the delay range that is set Meaning, if the pedal is set to the short range, can I tap in an 800ms delay without changing the delay range on the pedal Or is my range of tap input limited by the delay range set previously

Yes, the Tap Tempo overrides the Delay range - and it will actually offer the full 2290ms delay time range, whereas the pot is limited to 1200ms.