MX Master 3S - Setup guide

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Product Overview

1 – MagSpeed scroll wheel
2 – Mode shift button for the scroll wheel
3 – Gesture button
4 – Thumb wheel
5 – Battery status LED
6 – USB-C charging port
7 – On/Off button
8 – Darkfield 8000 DPI sensor
9 – Easy-Switch & connect button
10 – Back/forward buttons

MagSpeed adaptive scroll-wheel

The speed-adaptive scroll wheel shifts between two scrolling modes automatically. As you scroll faster, it will automatically shift from line-by-line scrolling to free-spinning.

• Line-by-line (ratchet) mode — ideal for precise navigation of items and lists.

• Hyper-fast (free-spin) mode — near-frictionless spinning, letting you fly through long documents and web pages.

Switch modes manually
You can also manually switch between modes by pressing the mode shift button.

Thumb wheel

Scroll side to side effortlessly with a stroke of your thumb.

Install Logitech Options+ software to extend thumb wheel capabilities and more:

• Adjust thumbwheel scrolling speed, and direction

• Enable app-specific settings for the thumbwheel

  • Zoom in Microsoft Word and PowerPoint

  • Adjust brush size in Adobe Photoshop

  • Navigate your timeline in Adobe Premiere Pro

  • Switch between tabs in the browser

  • Adjust volume

  • Assign custom keystrokes to the wheel rotation (up and down)

Back/Forward buttons
Conveniently located, the back and forward buttons enhance navigation and simplify tasks.

How to recharge
Connect one end of the provided charging cable to the USB-C port on the mouse and the other end to a USB power source.

A minimum of 3 minutes charging gives you enough power for a full day of use. Depending on how you use the mouse, a full charge can last up to 70 days*.

* Battery life may vary depending on user and operating conditions.

Battery indication

The LED on the top of the mouse indicates battery status.

Green LED: Battery level at 100% - 11%.
Red LED: Battery level at 10% or less.