This adjusts the overall tuning value (which defaults to A = 440). The display will show "27.4 Hz" to "52.6 Hz," which represents a values from 427.4 Hz to 452.6 Hz.
1) Press SELECT three times until the Master Led lights up.
2) Press F1.
3) Use the VALUE <> button to set to the desired tuning.
4) Press PATCH to return to the normal display.