Lenovo IdeaCentre B540 - Manual (Page 7)

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User Guide
1.1 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 8 9 10 11 12 13 14 6 5 4
Built-in microphone area Camera
Built-in IR Emitter(do not block)
(selected models only) Hard Disk Drive Indicator
Bluetooth status indicator WIFI status indicator
TV indicator Volume down
Volume up Brightness down
Brightness up Novo Vision button
PC mode / HDMI-in / AV-in switch Monitor On/Off
Attention: The effective range of the Built-in IR Emitter is 10 feet (3m).