Lenovo C540 Touch All-in-One - Manual (Page 7)

2
User Guide
Front view of the computer
Attention: Be careful not to block any air vents on the computer. Blocked
air vents can cause overheating.
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3 7 6 5 4 8 9
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Built-in microphone Built-in camera
Hard disk drive indicator Wi-Fi status indicator
Monitor On/Off indicator Menu button
Direction button Direction button
Monitor On/Off button Built-in IR receiver (Only
functional on models equipped
with a IR receiver module)
Attention: The effective range of the Built-in IR Emitter is 10 feet.