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6 TRANSMITTING MIDI
6 TRANSMITTING MIDI
SEND MIDI PC
The simplest MIDI capability of the Axe-Fx III is transmitting a single MIDI program change
message (“PC”) each time a new Preset is loaded—whether via the front panel, using an
FC Footswitch, or in any other way. To enable this, open the SETUP | MIDI/Remote menu
and page to the “ tab. Set Send MIDI PC to the desired MIDI channel.
THE SCENE MIDI BLOCK
A more sophisticated MIDI tool is the Scene MIDI Block. Once you place this block on the grid, it transmits
MIDI messages automatically whenever a new scene is loaded—whether via the front panel, with an
FC footswitch, or by any other means. The Scene MIDI block can transmit up to eight total custom PC
or CC messages. Remember that a “default scene” loads automatically when you select a new preset,
so any FC footswitch that selects a new Preset or a new Scene can also cause the Axe-Fx III to send
a burst of MIDI messages. See the Axe-Fx III Owner’s Manual for more on the Scene MIDI Block.
CONTROL SWITCH MIDI
The FC adds a totally new way for the Axe-Fx III to transmit MIDI messages using Control Switches. Primarily,
the Control Switch function (see p.36) allows any FC footswitch to operate as a source to
control Axe-Fx III parameters. Beyond this, however, each of the six Control Switches has the capability to
transmit a custom “payload” of MIDI data every time the switch is turned on ON or OFF. Because this isn’t
tied to another event such as a Preset or Scene change, Control Switch MIDI is more flexible and dynamic.
When you recall that Control Switches can be momentary or latching (and even mutually exclusive),
the depth of the CS MIDI system becomes apparent. You might change channels on a connected MIDI-
controlled amp, or even manually operate a remote processor, sequencer, or lighting system.
Here is a summary of the MIDI Capabilities of a Control Switch:
Control Switches are placed into an FC Layouts as functions (see p.17).
Control Switches 1–6 appear in the list of sources on the Axe-Fx III. The role of a switch as a modier
source is not compromised if you also use it to transmit MIDI. The same switch can simultaneously control
the Axe-Fx III and a connected device. (See the Axe-Fx III Owner’s Manual for more on using Modiers.)
Each Control Switch has its own global MIDI Payload containing up to four Program
Change (“PC”) or Control Change (“CC) messages on any MIDI Channels, with custom
values from 0–127, or disabled (“--”) for both the ON and OFF states of the switch.
Each MIDI Payload also has a “master switch” allowing it to be enabled or disabled.
The Axe-Fx III can transmit MIDI in several different ways, detailed below.
For an overview of connecting to other MIDI equipment, see “MIDI Connections” on p. 10.
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