Yamaha LS9 User Manual page 24

Yamaha Commercial Audio
5.5 Problems Moving Multiple Faders
If Multitasking Gestures (in iOS 4.3 or higher) is ON, it may not be possible to
move more than three faders simultaneously in StageMix.
StageMix, it is recommended that Multitasking Gestures be turned OFF.
a. Open the iPad "General" menu
b. Set the button for "Multitasking Gestures" to OFF
LS9 StageMix V1.0 User Guide
When using
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