What is the range for which the tempo can be varied?

The range can be set to ±6%, ±10%, ±16% or ±100%, selectable with the [TEMPO RANGE] button. It can also be set in more detail by clicking the mouse on the "Tempo Range" value displayed on the computer's screen. By using the mouse, the range can be set to ±6%, ±8%, ±10%, ±12%, ±20%, ±25%, ±33%, ±50% or ±100%.