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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 28.
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 ExpressCard slot
3 Optical drive
4 Power jack
5 Security keyhole
1 Always On USB connector
The Always On Universal Serial Bus 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 (standby) 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 function. For details about how to enable
the Always On USB connector function, refer to the on-line help of the Power Manager program.
6 User Guide