Percussion Sounds Used For Rhythm Pattern Program - Yamaha Electone EL-900 Owner's Manual

2) Percussion Sounds Used for Rhythm Pattern Program

The total of 120 different instruments are available for the Rhythm Pattern
Programming and are divided into two instrument sets: Normal and Extend, and
assigned to each key on the Upper and Lower keyboards, as shown in the following
chart..
Normal Set
Consists of 91 different drum and percussion instruments.
Assigned to the Upper Keyboard (47)
Assigned to the Lower Keyboard (47)
9
128
NOTE:
Some of the instruments such as Tom
1, 2 and 3 on the Upper and Lower
keyboards are the same.