Moog MP-201 User Manual download pdf (Page 36)

MP-201 User’s Manual

Page 38

MP-201 User’s Manual

Page 39

If that same MP-201 channel is set to LFO Mode and the MP-201 Channel is ON then

the incoming MIDI CCs will affect the output based on the Footpedal Mode (Rate,

Amount, or Offset). When the MP-201 channel is OFF, the LFO Off Mode (Initial,

Current, Continuous) determines what happens at the output in response to MIDI

CCs.

If the same Channel is set to Gate mode, then a MIDI CC#1 with a value of ‘127’ at

the MIDI In will turn the Gate ON (+5V) at the analog output. A MIDI CC#1 with a

value of ‘0’ turns the Gate OFF (0V).

Note that the MP-201 Channel On/Off State acts much like a Local Control On/Off

function for the footpedal. For instance, in Expression mode if a channel is OFF, the

footpedal does not affect the output voltage, but a MIDI CC message can.

MIDI Program Changes

The MP-201 both receives and transmits MIDI Program change messages. MIDI

Program Change messages are use to select presets in MIDI gear. They can have a

value of 0-127. These are Channel Messages, so they are assigned to a specic MIDI

Channel. The MP-201 receives Program Change messages #00 – 49 on all MIDI

Channels; Program Change messages outside of this range are ignored.

In a MP-201 Preset, each MP-201 Channel can be programmed to send a Program

Change message on its assigned MIDI Channel when that Preset is selected. This

means each Preset can send up to 4 Program Change messages on up to 4 MIDI

Channels. In addition to Program Change messages, some devices with more than

128 presets can receive Bank Select Messages. A Bank Select message is a special

case of MIDI CC message, using MIDI CC#0 and MIDI CC#32 as the Most Signicant

Byte (MSB) and Least Signicant Byte (LSB), which are sent just prior to a Program

Change message and allow selection of up to 16384 Banks of Presets (!). The MP-201

can be set to send a single Bank Select message (MSB or LSB). Many devices only

require the LSB of a Bank select Message (MIDI CC#32). For devices that require

both, two MP-201 Channels can be set up on the same MIDI Channel sending the

same Program Change message, with the rst MP-201 Channel sending the MSB of

the Bank select message and the second MP-201 Channel set to send the LSB of the

Bank select message.

MIDI Clock Messages

MIDI Clock Messages are MIDI System Real-time Messages that are used to transmit

tempo information for the purpose of synchronizing two MIDI devices to that tempo.

A standard MIDI Clock Message is sent 24 times per quarter note (24ppq), and is not

assigned to any MIDI Channel.

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Moog MP-201 User Manual Page 36