User Manual

CLOCKWORKS
39
Mapping basics
A simple way to think of channel mapping is this: imagine
that each MIDI IN or MIDI OUT port connected to your
MOTU interface has a filter just inside the socket. MIDI
data enters the filter on one channel and as it passes
through the filter, it gets switched to a different channel.
On a MIDI IN port, data enters on a given channel. But
before it goes anywhere else, either to the computer or to a
MIDI OUT cable, the Channel Map window can switch
the data to a different MIDI channel.
On a MIDI OUT cable, data exits the interface. But before
it does, the Channel Map window can switch the data to a
different channel.
Using channel mapping
Channel Mapping like this is useful in many different
situations. For example, you may have a MIDI keyboard
that only transmits data on MIDI channel 1. If you want to
transmit its data on a different channel, you can map
channel 1 on the keyboard’s MIDI IN cable to any other
MIDI channel. To the rest of the network, it will then
appear as if the keyboard is transmitting on the new,
destination channel.
Muting and remapping
For information about when muting occurs before
channel mapping and vice versa, see “Muting and
remapping” on page 37.
!USB Interfaces Manual Book Page 39 Tuesday, August 16, 2011 11:21 AM