Yamaha MU100 Owner's Manual page 42

Selecting and Playing Individual Voices
2 Select the bank number.
Use the [SELECT </>] buttons to highlight the bank number
parameter (as shown below).
Instrument icon. Arrow at top
left of icon indicates bank
number is selected.
3 Change the bank number.
Use the [VALUE -/+] buttons or data dial. Notice that the
bank numbers "jump" as they are selected — the MU100 skips
bank numbers that have the same Voice as bank "000."
In the XG mode, several banks of Voices are available. Each bank
contains up to 128 different Voices, for a total of 1074 Voices.
4 Select the program (Voice) number.
Use the [SELECT </>] buttons to highlight the program
number parameter (as shown below).
44
Bank number. Dark arrow
indicates bank number is
selected.
Guided Tour
Program number.