MOTU Micro Lite [125/166] Preparing software for mmc

MOTU Micro Lite [125/166] Preparing software for mmc
MIDI MACHINE CONTROL
125
SETTING MMC DEVICE ID’S
Each MMC device requires a unique MMC device ID,
including your Express interface itself. The factory default
ID of your Express interface is 19. If needed, you can
change it as shown in Figure 5-8 on page 41 (or
Figure 6-36 on page 83 for Mac OS 9 users).
SETTING UP OTHER MMC DEVICES
If you have an MMC-compatible device, you can slave it to
your Express interface. But first, you need to make your
Express interface send MTC (or LTC for some devices). To
send MTC, use the Routings tab (or Device Settings &
Routings window in under Mac OS 9) in ClockWorks to
make connections from the MTC Out port in the left-hand
column to the desired destinations in the right-hand
column as demonstrated in Figure 8-1 on page 114 (or
Figure 6-19 on page 70 for Mac OS 9 users).
For most MMC devices that support being an MMC slave,
routing time code (either MTC as just discussed or LTC)
to them is all you need to do. For some devices, you may
also need to get your Express interface to send MMC
transport commands to the device. Once again, you do
this in the Routings tab (or Device Settings & Routings
window in under Mac OS 9): connect the MMC Out port
in the left-hand column to the destinations in the right-
hand column as demonstrated in Figure 8-1 on page 114
(or Figure 6-19 on page 70 for Mac OS 9 users). Then you
are ready to control your MMC device — via your Express
interface — from the computer (or a hardware MMC
controller).
PREPARING SOFTWARE FOR MMC
Regardless of what you decide to use as your MMC
transport control master (an MMC controller device or
computer software), you need to set up the software so
that it will slave to MIDI Time Code (MTC) generated by
your Express interface. This will ensure that your software
chases and locks with all other MMC devices. Check to
make your software is set up to the proper frame rate, and
that it is in external sync” or slave mode, waiting for
MTC.

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