Yamaha U3-SILENT Owner's Manual page 14

Chapter
1
Getting Started
Part Names and Functions
■ Control unit (bottom panel)
13
DC IN 12V jack
13
Connect the supplied AC adaptor (page 9).
MIDI IN/MIDI OUT jacks
14
Connect to the input or output jacks of external MIDI
devices.
■ GM unit [for grand piano]
1 OUTPUT L (L+R)/R jacks (TRS phone jack)
Connect the optional powered speakers (page 37).
8
14 15
L ( L + R )
AUX IN/AUX OUT jacks (stereo mini jack)
15
Connect to the input or output jacks of external audio
devices.
1
2
R MIN VOL. MAX
OUTPUT
2 OUTPUT VOL. knob
Adjusts the volume for the OUTPUT L (L+R)/R jacks.