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History, Test – Expert Sleepers USAMO v1.0.0 User Manual

Page 12

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History

The History display shows
the MIDI messages
received by the plug-in,
and as such is a useful
diagnostic tool.

From left to right, the data
columns are the time at
which the message was
received (system time, not
time within the song), the
first (up to) 3 bytes of the
MIDI message, and then
the interpretation of the
message, if available. The interpretation will typically contain the MIDI channel, the
message type (e.g. Note On), and the data bytes of the message (e.g. note number and
velocity).

Test

The Test button switches the plug-in UI to show controls and history displays for the plug-
in’s test and diagnostic mode.

This mode works in conjunction with a MIDI input port on your computer. The MIDI
output of the USAMO hardware needs to be plugged into this MIDI input. The plug-in
sends a known sequence of MIDI messages, and listens to what it gets back. If there are
any discrepancies, the plug-in or hardware settings can be adjusted until the errors cease.

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