User Guide

Install Logitech Options software to enhance your scrolling experience
 Disable (and enable) SmartShift
 Adjust SmartShift sensitivity
 Switch scrolling direction between adaptive and natural
 Switch default operating mode of scroll wheel
 Adjust scrolling speed (Mac only)
Unique thumb wheel
Scroll side to side effortlessly with a stroke of your thumb.
To Scroll horizontally
Spin the thumb wheel up (to scroll right) or down (to scroll left).
Install Logitech Options software to extend thumb wheel capabilities
 Invert scrolling direction
 Reproduce touch-based gestures
 Adjust scrolling speed and resolution
 Navigate tabbed content
 Switch apps
 Swipe between full screen apps (Mac only)
 Switch between full-screen apps (Windows 8 only)
 Zoom in and out
 Adjust volume
 Control screen brightness
 Display notifications (Mac only)
Gestures streamline navigation and desktop management
Install Logitech Options software to enable gestures for managing media, panning, zoom, and
rotation, plus custom tasks.
Assign up to five different actions to the Gesture button. Or map gestures to other MX Master
buttons, including the middle button or manual shift button.