Epson 4SLC2-50 - Manual (Page 30)

For information on using the trackball, or if you would like to
know more about its device driver and utilities, see the
documentation that came with it.
Turning On the Computer
When you first use the ActionNote, the battery may not be
charged; so make sure the AC adapter is connected when you turn
it on for the first time.
Before you turn on the computer, first connect and turn on any
external devices you will be using—such as a printer, monitor, or
pointing device. (See Chapter 4 for information about installing
optional devices.) Then press the power button on the top of the
computer to turn it on.
Setting Up the Computer 1-11