Logitech MK540 Dimensions
MK540 ADVANCED FAQs 1
MK540 ADVANCED Wireless Keyboard and Mouse Combo
INDEX
GETTING STARTED
●Product overview
●Keyboard features
○Hotkeys
○Function key shortcuts
○Tilt legs
○LED indicators
SPECIFICATIONS
●Product information
●Product dimensions
●Related products
●General product specifications
●Keyboard specifications
●Mouse specifications
FAQs
●My NumPad/KeyPad is not working, what should I do?
●Operating distance between the mouse or keyboard and USB receiver
●Backup device settings to the cloud in Logitech Options+
●MK540 wireless keyboard and mouse frequently lose connection
MK540 ADVANCED FAQs 3
GETTING STARTED
1. Turn on your MK540 keyboard and mouse.
2. To connect the MK540 mouse and keyboard, plug the provided Unifying receiver into a
USB port on your computer.
Product Overview
1. Media hotkeys
2. Battery indicator light
3. On/Off
4. Caps Lock indicator light
5. Palm rest
6. Shortcut keys
7. USB receiver
8. Battery indicator light
MK540 ADVANCED FAQs 4
Keyboard Features
Hotkeys
1. Backward
2. Play/Pause
3. Forward
4. Mute
5. Volume down
6. Volume up
7. Calculator
8. Battery check
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:
MK540 ADVANCED FAQs 5
1. Internet forward
2. Internet back
3. Internet new tab
(Ctrl+T)
4. Close window
(Ctrl+F4)
5. Windows search
6. Zoom in
7. Zoom out
8. Show desktop
9. Save (Ctrl+S)
10. Print (Ctrl+P)
11. Windows settings
12. PC Standby
13. Contextual menu
(right-click)
You can reprogram some of the F-keys shortcuts and hotkeys using the Logitech® Options
software available from 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.
MK540 ADVANCED FAQs 6
SPECIFICATIONS
Product Information
Component
Model Number (M/N)
Location
Keyboard
M-R0050
Underside of product
Mouse
Y-R0012
Underside of product
Receiver
C-U0007
Underside of product
Product Dimensions
Component
Height
Width
Depth
Weight
Keyboard
24.0 mm (0.94
inch)
193.5 mm
(7.61 inches)
457.3 mm
(18.0 inches)
805.0 g
(28.39 ounces)
Mouse
97.7 mm (3.84
inches)
61.5 mm (2.42
inches)
35.2 mm
(1.32 inches)
97.0 g
(3.42 ounces)
Related Products
Mouse
M310
Keyboard
K540
General Product Specifications
Wireless Protocol
Logitech Unifying protocol (2.4GHz)
Wired Network
Support
N/A
MK540 ADVANCED FAQs 7
General Product Specifications
Software Support
(at release)
Logitech Options for Windows
Windows 7
Windows 8
Windows 10 and above
Apps Available
(at release)
Logitech Options 2.1
System
Requirements
USB port
Supported Hardware
(at release)
Logitech Unifying receiver
Required Accessory
N/A
Power Type
Replaceable batteries (2x AA)
Keyboard Specifications
Connection Type
Logitech Unifying protocol (2.4GHz)
USB VID_PID
N/A
USB Protocol
N/A
USB Speed
N/A
Indicator Lights (LED)
Power/battery level indicator + CapsLock indicator
LCD Display
No
USB Ports (Built-in)
No
Backlighting
No
Special Keys
No
MK540 ADVANCED FAQs 8
Keyboard Specifications
Connect / Power
On/Off switch
Battery Details
2 x AA
Battery Life (not rechargeable)
N/A
Battery Life (rechargeable)
36 months for KB
Cable Length
N/A
Cable Length
(Power/Charging)
N/A
Other Features
N/A
Mouse Specifications
Connection Type
2.4GHz wireless connection
USB VID_PID
N/A
USB Protocol
N/A
USB Speed
N/A
Indicators Light LED
N/A
LCD Display
No
USB Ports (Built-in)
No
Backlighting
No
Special Keys
No
Connect / Power
Yes, on/off switch
Battery Details
1 x AA
Battery Life (not rechargeable)
N/A
Battery Life (rechargeable)
24 months for M
MK540 ADVANCED FAQs 9
Mouse Specifications
Cable Length
N/A
Cable Length (Power/Charging)
N/A
Other Features
N/A
DPI (Min/Max)
1000±
Sensor
Capella
Sensor Technology
Logitech Advanced Optical Tracking
Scroll Wheel
Yes, Ratchet Wheel
Onboard Memory
N/A
Standard and Special Buttons
Middle click
MK540 ADVANCED FAQs 10
FAQs
●My NumPad/KeyPad is not working, what should I do?
○Make sure that the NumLock key is enabled. If pressing the key once doesn’t
enable NumLock, press and hold the key for five seconds.
○Verify that the correct keyboard layout is selected in Windows Settings and
that the layout matches your keyboard.
○Try enabling and disabling other toggle keys such as Caps Lock, Scroll Lock,
and Insert while checking if the number keys work on different apps or
programs.
○Disable Turn on Mouse Keys:
1. Open the Ease of Access Center — click the Start key, then click Control
Panel > Ease of Access and then Ease of Access Center.
2. Click Make the mouse easier to use.
3. Under Control the mouse with the keyboard, uncheck Turn on Mouse
Keys.
○Disable Sticky Keys, Toggle Keys & Filter Keys:
1. Open the Ease of Access Center — click the Start key, then click Control
Panel > Ease of Access and then Ease of Access Center.
2. Click Make the keyboard easier to use.
3. Under Make it easier to type, make sure all checkboxes are unchecked.
○Verify the product or receiver is connected directly to the computer and not to
a hub, extender, switch, or something similar.
○Make sure the keyboard drivers are updated.
○Try using the device with a new or different user profile.
○Test mouse/keyboard or receiver on a different computer.
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