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Turn on your MK540 keyboard and mouse. |
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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 |
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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.
Important Notice: The Firmware Update Tool is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Preference Manager is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Control Center is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Connection Utility is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Unifying Software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The SetPoint software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Frequently Asked Questions
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