Boss JamStation JS-5 Owner's Manual page 22

Let's Try Playing Some Sounds
Changing the Tempo of a Performance
Next, try changing the tempo of the song being played.
fig.QS02-05
1
Press [TEMPO], getting the button to light.
The present tempo appears on the display.
fig.QS02-06
2
Turn [VALUE] to adjust the tempo.
Settings values: 40–250
3
Once you've decided on the tempo, press [TEMPO],
extinguishing the button's light.
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