Yamaha YPR-50 - Manual (Page 14)

The YPR-50 provides a variety of useful tools to help you practice. You can
change the tempo (speed) of the song, and select Parts L (LEFT) and R (RIGHT)
for playback. There's even a special Song Book with easy-to-learn pieces that
gets you started.
Practicing Along With the So Practicing Along With the So
Practicing different song parts
The YPR-50 lets you independently play back the left-hand and right-hand parts of the
songs. For example, you may want have only the left-hand accompaniment part sound
while you practice the melody part with your right hand.
Pressing the PART button switches among the following three Part On/Off settings:
Both parts are on (default)
Only the left part is on – letting you play the other part with your right hand
Only the right part is on – letting you play the other part with your left hand
The Part lamps indicate which part is selected and active.
Both parts can be heard.
Only the left part can be heard.
Only the right part can be heard.
n The Part setting can be changed even during song playback.
Beat lamps
The Beat lamps flash in time at the currently set tempo and time signature.
1st Beat 2nd Beat 3rd Beat 4th Beat
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ypr50.qx 10/7/99 11:00 AM Page 14