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The TrackPoint and touch pad buttons provide functions similar to those of a mouse and its buttons.
16 Volume control buttons
The built-in volume buttons enable you to quickly adjust the volume or mute the sound from your computer.
For details, refer to the instructions in “ThinkPad Edge E520 special keys” on page 29.
Right-side view
Figure 3. ThinkPad Edge E420 and E520 right-side view
Note: Your computer keyboard might look different from the illustration above.
1 Always On USB connector 2 Optical drive
3 Power jack
4 Security keyhole
1 Always On USB connector
The Always On USB connector is used for connecting devices compatible with a USB interface, such as
a printer or a digital camera.
By default, even if your computer is in sleep mode, the Always On USB connector still enables you to
charge some devices, such as iPod
®
, iPhone
®
, and BlackBerry
®
smartphones, by attaching the devices
to the connector.
However, with the ac power adapter attached, if you want to charge these devices when your computer
is in hibernation mode or powered off, you will need to open the Power Manager program and congure
corresponding settings to enable the Always On USB connector. For details about how to enable the Always
On USB connector, refer to the on-line help of the Power Manager program.
Note: Your computer is compatible with USB 1.1 and 2.0.
6 User Guide