Sweep Mode Menu (Only available on some models) Key Sequence: Shift > Sweep (3) key > Sweep Mode SPA Sweep Mode Menu This menu sets the current sweep mode. Select one of the three Sweep Mode option. Fast: Fastest sweep speed. Performance: Provides best amplitude accuracy and ensures all specifications are met. No FFT: Slowest sweep speed. Ideal for analog and pulse modulated signals. Show Help Display a table showing the merits and tradeoffs of the three Sweep Mode settings. Back Returns to the “Sweep Menu”.