50
ML4000
User Guide
MIDI
The MIDI Cables
Use standard 5-pin 180 degree DIN type male-to-
male MIDI cables. These should be available from
your local audio dealer or music shop. The cables
should not exceed 15 meters (50 feet) in length.
To control external equipment plug console MIDI
OUT to external equipment MIDI IN. To control the
console plug external equipment MIDI OUT or
THRU to console MIDI in. To pass MIDI through
the console to other equipment plug console MIDI
THRU to equipment MIDI IN.
Make sure the same MIDI channel number is
selected on the console and external equipment
you want the console to communicate with.
MIDI Overview
The
ML4000
includes a Musical Instrument Digital
Interface (MIDI) port. Standard 5-pin IN, THRU and
OUT sockets allow connection to external MIDI
equipment such as computer show control systems,
sequencers, instruments and data archiving
devices. Applications include sophisticated ‘hands-
off’ scene control, effects and instrument patch
control, switching of signal processing remote
controllers, and archiving of the console settings
and memories for later re-use.
What the console MIDI can do
:
9
Turn channel mutes on and off
9
Recall snapshot memories
9
Snapshot program change messages
9
AFL SysEx messages for BSS & dbx
controllers
9
Archive console settings and memories
What the console MIDI cannot do
:
8
Turn Mute Groups on and off
8
Turn VCA group mutes on and off
8
Assign channels to VCA groups
8
Control VCA fader levels
The capabilities of the console automation system
are subject to continual development and new
features may be added in time. The latest
operating software is available on the Allen & Heath
Internet site together with loading instructions.
Selecting MIDI Operation
For MIDI operation make sure the rear panel switch
is set to the MIDI position. The RS232 setting is
only used when updating the console operating
software to a new version, or with the Allen & Heath
ML4 Archiver utility for the PC.
Changing the MIDI Channel Number
Hold down the master section MIDI CH key. The
current MIDI channel number is displayed on one of
the CH1 to 16 SAFE/EDIT LEDs. The LED flashes
to attract your attention. Simply press one of the
CH1 to 16 MUTE keys while holding down MIDI CH
to change the MIDI channel number. The channel
mute is not affected during this operation.
OUT
IN
THRU
SELECT
MIDI
RS232
MIDI CH
Hold and press CH1>16 MUTE
DUMP
Use CH MUTES
EDIT SAFES
MIDI
RS232
Содержание ML4000
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