Yamaha MU128 Owner's Manual page 182

About Plug-in System
7 When the power to the MU128 is turned on again, the board is
automatically installed and ready for operation. The appropriate
LEDs on the front panel (PLG-1 - 3) light to indicate the installed
XG Plug-in boards.
For tone generator type XG Plug-in boards, you can select the
desired board (PLG-1 - 3) by pressing the [SELECT] button. (The
Part Assign parameter must be set and the assigned Part must be
selected first; see page 176.) The icon of the selected board is
shown in the display and the corresponding LED at the bottom
flashes.
NOTE
In order to use the Voices of an XG Plug-in board (tone generator type), you must
first set the Part Assign parameter to assign the board to a Part. (page 177.)
182
TONE GENERATOR
1
A/D INPUT
PART
2 VOLUME
Piano Chrom.perc.
Ensemble Brass
Synth effects Ethnic
STAND BY
ON MIDI IN A PHONES
MU128 Plug-in System
XG
TG300B
PERFORM
BANK/PGM VOL EXP PAN REV CHO VAR KEY
Organ Guitar Bass Strings
SELECT PART GROUP
Reed Pipe Synth lead Synth pad
Percussive SFX Model excl. Drum
MU PLG-1 PLG-2 PLG-3
ALL
PLAY EDIT
MUTE/ PART PART
SOLO
UTIL EFFECT
SELECT SELECT
ENTER
MODE EQ
VALUE
VALUE
EXIT