What does the light next to the power switch indicate, and why does it only turn on sometimes?
The light located next to the power switch on the Logitech MK540 keyboard is the battery status indicator. Its behavior is designed to save…
Manuals+ Q&A
logitech MK540 Advanced Wireless Keyboard Mouse Combo User Manual — questions & answers
Read product questions and troubleshooting answers linked to logitech MK540 Advanced Wireless Keyboard Mouse Combo User Manual.