Lenovo IdeaCentre B545 - Manual (Page 7)

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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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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).