• KL Essential (49/61) mk3 MIDI: Enables MIDI communication via the USB-C port
on KeyLab Essential.
• KL Essential (49/61) mk3 DINTHRU: Passes outgoing MIDI information from the
host software through KeyLab Essential’s 5-pin MIDI out connector. This can be
useful when you want to sequence and control hardware synths with your DAW
using KeyLab Essential as a MIDI interface.
• KL Essential (49/61) mk3 MCU/HUI: Enables KeyLab Essential as a Mackie
Control Universal surface via a dedicated port, to not interfere with other MIDI
messages as notes or control changes.
• KL Essential (49/61) mk3 ALV Transmits screen messages from Analog Lab V to
KeyLab Essential.
You will almost always want KL Essential (49/61) mk3 MIDI turned on. If using KeyLab
Essential to control any of the custom supported DAWs [p.43], ensure KL Essential (49/61)
mk3 MCU/HUI is
not
activated.
This is the MIDI device settings page in Studio One
Arturia - User Manual KeyLab Essential mk3 - KeyLab Essential operations 15