Using Your VAIO Computer
To connect the wireless keyboard
1Insert the supplied two AA batteries (1) into the battery compartment on the bottom of the wireless keyboard.
2Turn on the computer.
3Slide the POWER switch (2) at the top of the keyboard to turn on the keyboard.
4Press the CONNECT button (3) on the left of the computer.
5Press the CONNECT button (4) on the bottom of the keyboard.
The connect indicator 
appears in the LCD window on the keyboard when connection is established between the computer and the keyboard. If not, repeat the procedure.
!
Steps 4 and 5 must be completed within 10 seconds of each other.
If the wireless keyboard is left unused for 20 minutes or more, the connect indicator 
will turn off. This could indicate that the connection between the computer and the keyboard is lost. Press the Fn key to check that the connect indicator turns on before using the keyboard.