Alesis QS6 Reference Manual page 47

Chapter 5: Editing Mixes
using the [
channels in a Mix. So, if you play in a range of the keyboard that is active on MIDI
CH 1, and "CHå" appears in the upper left corner of the display, you'll hear it. All
other ranges or layers will not respond to the keyboard (they will continue to respond
to incoming MIDI messages on their respective channels, however).
Use the [
OUT 1 — OUT 16. The QS6 will generate MIDI messages from the keyboard,
regardless of the Range settings for that channel in the Mix, but it will not play the
internal sound. Use this mode if you're using a MIDI sequencer with an ECHO
feature--the sound will be activated by messages appearing at the MIDI IN connector
after it's made the "round trip" through the sequencer. This is the QS6's equivalent to
LOCAL OFF.
46
PAGE] and [PAGE ] buttons. This allows you to isolate individual
PAGE] and [PAGE ] buttons to hear each channel in turn.
QS6 Reference Manual