Sweep Mode Menu Key Sequence: Shift > Sweep (3) key > Sweep Mode SPA Sweep Mode Menu This menu sets the current sweep mode. Select one of the four Sweep Mode options. 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. Burst Detect: Press to view narrow pulsed signals. Show Help Display a table showing the merits and tradeoffs of the four Sweep Mode settings. Back Returns to the Sweep Menu.