Version OS 1.0
2.1.4 MIDI Connections
The MIDI In jack of the ALPHA BASE is used for remote playing, controlling and
synchronization by other MIDI capable devices like master keyboards and computers.
You can use the Midi port alongside the USB port Midi.
» Note: please only send as much Midi data as necessary. The more Midi data has to
pass the MIDI cable the worse the timing gets. Use different Midi ports for different
machines as the Midi protocol is serial and consumes time and performance.
Please look at the Midi Implementation in the appendix about which Midi data is
received and processed by the ALPHA BASE.
Connect the MIDI In jack of the ALPHA BASE to the MIDI Out jack of the master by use
of a midi cable.
2.1.5 MIDI OUT
With MIDI Out the ALPHA BASE transmits midi data to other devices such as computers,
synthesizers and others. Connect the MIDI Out jack of the ALPHA BASE to the Midi In
jack of the other device.
2.1.6 MIDI Thru
Midi data that is received on the MIDI In jack is forwarded to the MIDI Thru jack
without being changed. More MIDI capable devices can be connected to this port.
2.1.7 Sync Out 1+2
In the Midi jacks there is an old school Roland DIN Sync interface integrated in case
someone has to synchronize an old TB-303 or the like. The sync lines are on pins that
are not used by Midi. The output sync port appears on both Midi Thru and Midi Out. If
you don't need one of them, use a regular Midi cable and connect it to the DIN sync
input of your device. The ALPHA BASE provides a 5V Run/Stop and a 5V clock signal. A
maximum of two units can be synced.
ALPHA BASE Operating Manual 15
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