Yamaha LS9 - MIX Sends on

Yamaha Commercial Audio LS9 StageMix V1.0 User Guide
Page 15
Choose from Mix 1-16. The currently selected Mix will appear as a white
button with a check mark. Stereo pairs appear as single large buttons.
4.4.1 Mix Sends ON
In “SENDS ON FADERS” mode, the [ON] button in each channel strip
is used to turn On/Off the Mix Send from each channel to the currently
selected target Mix bus.
When a Mix, Matrix or Master block is selected in the “Navigation/Meter
Bridge”, the [SENDS ON FADERS] button is not available.
To exit “SENDS ON FADERS” mode, press the [SENDS ON FADERS] button
in the left column.