Lenovo 3000H User Manual
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Lenovo 3000H User Guide
1.1 Front View of the Chassis (Instruction for use of buttons and
functional keys on the front panel of the chassis)
F-1
F-2
[1-1]
[1-2]
[1-3]
[1-4]
F-1 The top button
[1-1] Reset Key:
Press this key to restart computer forcibly. It is recommended to take this operation with
caution.
[1-2] Hard Disk Drive Indicator:
Indicates read/write operations of the hard disk.
[1-3] Power Switches:
Press this key to turn on/off computers.
F-2 Preposition Digital Panel:
Open the preposition digital panel and the preposition digital connectors
such as USB will be shown as below:
USB
connector
USB
connector
Speaker/
headphone connector
Microphone
connector
D-1 USB Connector:
Used to connect USB devices.
D-2 Speaker/Headphone Connector:
Used to connect speakers or headphones. If it is necessary to
connect the headphone, remove the speaker plug and insert the headphone plug.
D-3 Microphone Connector:
Used to connect the microphone and input the sound received by the
microphone into the computer.