Getting Started — MX Master 3
QUICK SETUP
For quick interactive setup instructions, go to the interactive setup guide.
For more detailed information, continue with the following detailed setup guide.
DETAILED SETUP
- Make sure the mouse is turned on — the number 1 LED on the bottom of the mouse should blink quickly.
NOTE: If the LED is not blinking quickly, perform a long press (three seconds). - Choose how you want to connect:
- Use the included wireless USB receiver
Plug the receiver into a USB port on your computer - Connect directly using Bluetooth
Open the Bluetooth settings on your computer to complete the pairing.
Click here for more details on how to do this on your computer. If you experience issues with Bluetooth, click here for Bluetooth troubleshooting.
- Use the included wireless USB receiver
- Install Logitech Options Software.
Download Logitech Options to use all the possibilities this mouse offers. To download and learn more about Logitech Options, go to logitech.com/options.
LEARN MORE ABOUT YOUR PRODUCT
Product Overview
2 – Mode shift button for the scroll wheel
8 – Darkfield 4000DPI sensor
9 – Easy-Switch & connect button
Pair to a second computer with Easy-Switch
Your mouse can be paired with up to three different computers using the easy-switch button to change the channel.
- A short press on the Easy-Switch button lets you switch channels. Select the channel you want and go to the next step.
- Press and hold the Easy-Switch button for three seconds. This puts the mouse in discoverable mode so that it can be seen by your computer. The LED will start blinking quickly.
- Choose how you want to connect the keyboard to your computer:
- Bluetooth: Open the Bluetooth settings on your computer to complete the pairing. You can find more details here.
- USB receiver: Plug the receiver to a USB port and open Logitech Options. In Options, select Add devices >Setup Unifying device, and follow the instructions.
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.
By default, mode shift is assigned to the button on top of the mouse. Use the Logitech Options Software, to disable SmartShift if you prefer to stay in a single scrolling mode and shift manually. You can also adjust the SmartShift sensitivity, which will change the speed required to automatically shift into free spinning.
Thumb wheel
Scroll side to side effortlessly with a stroke of your thumb.
Install Logitech Options software to extend thumb wheel capabilities:
- 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)
Gesture Button
Install Logitech Options software to enable gestures.
To use the Gesture button:
Hold down the Gesture button while moving the mouse left, right, up, or down.Gesture Button
You can use gestures for desktop navigation, app management, pan, zoom, and more. You can 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.
Back/Forward buttons
Conveniently located, the back and forward buttons enhance navigation and simplify tasks.- Press the back or forward button to navigate web or document pages, depending on the location of the mouse pointer.
NOTE: On the Mac, enabling of the back/forward buttons requires installation of Logitech Options software.
Install Logitech Options software to unlock new capabilities for the back/forward buttons.
In addition to enabling the buttons for use with Macs, Logitech Options software lets you map other useful functions to the buttons, including undo/redo, OS navigation, zoom, volume up/down, and more.App-Specific Settings
Your mouse buttons can be assigned to perform different functions for different applications. For example, you can assign the thumb wheel to do horizontal scrolling in Microsoft Excel and zoom in Microsoft PowerPoint.With Logitech Options, you can install predefined app-specific settings that adapt the mouse button behavior to be optimized in selected applications.
The following app-specific settings have been created for you:
Getting Started — MX Master 3S
Your mouse can be paired with up to three different computers using the easy-switch button to change the channel.
- A short press on the Easy-Switch button will allow you to switch channels. Select the channel you want and go to the next step.
- Press and hold the Easy-Switch button for 3 seconds. This will put the mouse in discoverable mode so that it can be seen by your computer. The LED will start blinking fast.
- Choose between two ways to connect your keyboard to your computer:
- Bluetooth: Open the Bluetooth settings on your computer to complete the pairing. You can find more details here.
- USB receiver: Plug the receiver to a USB port, open Logitech Options+, and select: Add devices >Setup Logi Bolt device, and follow the instructions.
LEARN MORE ABOUT YOUR PRODUCT
Product Overview
1 – MagSpeed scroll wheel 6 – USB-C charging port 2 – Mode shift button for the scroll wheel 7 – On/Off button 3 – Gesture button 8 – Darkfield 8000 DPI sensor 4 – Thumb wheel 9 – Easy-Switch & connect button 5 – Battery status LED 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.By default, mode shift is assigned to the button on top of the mouse.
In the Logitech Options+ Software, you can decide to disable smart-shift if you prefer to stay in a single scrolling mode and always shift manually. You can also adjust the smartshift sensitivity, which will change the speed required to automatically shift into free spinning.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)
Gesture Button
Install Logitech Options + software to enable gestures.To use the gesture button:
Gesture Button
You can use gestures for desktop navigation, app management, pan and more. You can assign up to five different actions to the Gesture button. Or map gestures to other MX Master 3S buttons, including the middle button or manual shift button.
Back/Forward buttons
Conveniently located, the back and forward buttons enhance navigation and simplify tasks.- Press the back or forward button to navigate web or document pages, depending on the location of the mouse pointer.
NOTE: On the Mac, enabling the back/forward buttons requires installation of Logitech Options+ software.
Install Logitech Options+ software to unlock new capabilities for the back/forward buttons
In addition to enabling the buttons for use with Macs, Logitech Options+ software lets you map other useful functions to the buttons, including undo/redo, OS navigation, zoom, volume up/down, and more.
Darkfield 8000 DPI sensor
Install Logitech Options+ software to enable the new capabilities of the Darkfield 8000 DPI SensorBy default, the MX Master 3S has a 1000 DPI configuration
In the Logitech Options+ Software, you can extend the sensor range to up to 8000 DPI.Enabling this option will allow you to work faster and more precisely, allowing you to adjust the pointer speed to match high resolution monitors.
App-Specific Settings
Your mouse buttons can be assigned to perform different functions for different applications. For instance, you can assign the thumb wheel to do horizontal scrolling in Microsoft Excel and zoom in Microsoft PowerPoint.When installing Logitech options+ , you will have the possibility to install predefined app-specific settings that will adapt the mouse button behavior to be optimized in selected applications.
Here are the app specific settings we have created for you:
Connect the MX Master mouse to a Bluetooth device
To connect your mouse to a computer running Windows 8:
- Turn the mouse on by sliding the power switch on the bottom of the mouse up.
- Using the device selector button, select 1, 2, or 3. You can save up to three devices to memory on the mouse.
NOTE: If the number blinks rapidly when you first select it, it’s ready to connect. If so, go to step 4. Otherwise, continue to step 3. - Press and hold the connect button on the mouse until the number you selected starts blinking rapidly.
- Add the mouse to your computer:
- On the Start screen, right-click in an empty space, and then select All apps >Control Panel >Devices and Printers
NOTE: If you can’t locate «Devices and Printers», set the Control Panel to «View by: Small icons». You should then be able to see all Control Panel items.
- In the Devices and Printers window, click Add a device.
- Choose “MX Master” from the device list and then click Next. A status screen will appear while the connection is configured.
- When the pairing is complete, you’ll see a confirmation screen. Click Close to exit.
NOTE: If the MX Master is already paired but having a problem connecting, remove it from the device list and then follow the instructions above to re-connect it.
Connect to Mac OS X 10.10 or later
1 — Power switch
2 — Connect button
3 — Device selector buttonTo connect your mouse to a Mac:
- From the Apple menu, select System Preferences.
- In System Preferences, click the Bluetooth icon.
- In the Bluetooth pane, make sure that Bluetooth is On.
- Turn the mouse on by sliding the power switch on the bottom of the mouse up.
- Using the device selector button, select 1, 2, or 3. You can save up to three devices to memory on the mouse.
- Press the connect button on your mouse to start pairing.
- In the Bluetooth window on your Mac, click Pair to complete pairing.
- Once the pairing is complete, MX Master will show as “Connected”.
Bluetooth Setup for Mouse
Find the switch on the bottom of your mouse and switch it to the ON position.
If there is no power, try plugging the mouse in with the cable provided.
The LED should be blinking fast
If not, press and hold the Easy-Switch™ button (on bottom of mouse) for 3 seconds. When the light begins blinking, the mouse is ready to pair with your computer.
Complete the pairing to your computer
On your computer find the Bluetooth ® settings menu and connect your mouse from there.
Install Logi Options+
Logi Options+ is a powerful and easy-to-use application that enhances your experience using Logitech mice and keyboards by enabling you to customize them to work how you want.
A status screen will appear while the connection is configured. 
