Pioneer REKORDBOX Operating Instructions Manual page 71

Widens beat grid distance by 1 msec.
Moves the beat grid 1 msec to the left.
The entire beat grid is slid to match the nearest beat position to the current playback position
shown in a white vertical line at the center of the waveform.
Moves the beat grid 1 msec to the right.
Doubles the BPM. (The length of each beat grid distance is narrowed by half.)
Halves the BPM. (The length of each beat grid distance is doubled.)
Cancels the temporarily marked position for adjusting the beat grid.
Temporarily marks the base position for adjusting the beat grid points from the position.
Enter BPM value manually to change beat grid distance.
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