Logitech MK540 User manual

Turn on your MK540 keyboard and mouse.
To connect the MK540 mouse and keyboard, plug the provided Unifying receiver into a
USB port on your computer.
Product Overview
1. Media hotkeys
5. Palm rest
2. Battery indicator light
6. Shortcut keys
3. On/Off
7. USB receiver
4. Caps Lock indicator light
8. Battery indicator light
Keyboard Features
Hotkeys
1. Backward
4. Mute
7. Calculator
2. Play/Pause
5. Volume down
8. Battery check
3. Forward
6. Volume up
9. Lock PC

10. Home Internet Browser
Function key shortcuts
To access the functions below, first press and hold the FN key, then press the F-key you want to
use:
1. Internet back
5. Windows Search
9. Save (Ctrl+S)
2. Internet forward
6. Zoom in
10. Print (Ctrl+P)
3. Internet new tab (Ctrl+T)
7. Zoom out
11. Windows Settings
4. Close window (Ctrl+F4)
8. Show desktop
12. PC standby
11. Contextual menu (right-click)
You can reprogram some of the F-keys shortcuts and hotkeys using the Logitech® Options
software available for download below or from www.logitech.com/options.
TIP: In the software settings, you can invert the FN mode if you prefer to access the enhanced
functions without having to press the FN key.
Tilt legs
Choose from three tilt positions based on your typing preference. Sturdy legs adjust from flat to
4 or 8-degrees and hold firmly in place while you type.
Natural tilt
4° tilt
8° tilt

LED indicators
LED lights remind you when the battery needs to be changed or Caps Lock is engaged.
You can also check your keyboard battery status at any time by pressing the Battery Check key
below the LED light. When the battery level is good, the LED will glow green. When it is
critical, the LED will glow red.