Sony VGC-RA304 User Manual page 21

User Guide
Before using the pointing device
Before attempting to use the pointing device, you must activate it.
To activate the pointing device, proceed as follows:
1 Fold the keyboard out.
2
Turn on the Pointing Device switch (1).
3 Close the lower part of the cover as shown (2).
You can now use the pointing device together with your keyboard.
4
If you only want to use the pointing device, close the cover completely
as shown (3).
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Using your VAIO computer