Behringer UMA25S - Manual (Page 7)

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U-CONTROL UMA25S
1.3.1 Stand-alone mode
In case the USB connection is not available or detected, the
UMA25S automatically switches to the stand-alone mode. In this
mode, you can use the UMA25S to control external units via the
MIDI output.
MIDI THRU
Fig. 1.4: Stand-alone mode
1.3.2 USB mode (default)
This is the default setting when the device is turned on. If the
UMA25S is connected to a computer via USB, the keyboard
automatically switches to this mode. In the USB mode, you can
choose between 2 options: MIDI THRU or MIDI OUT.
1. USB mode with MIDI THRU (default):
Fig. 1.5: USB mode with MIDI THRU
In this mode, the keyboard messages are sent to the computer
via USB. The messages from the computer are transmitted to the
UMA25S (data reception) and simultaneously to all MIDI units
which are connected to MIDI OUT. This mode is ideal for playing
the keyboard and controlling further MIDI hardware (samplers,
rack synthesizers, etc.) with the sequencer.
1. Introduction