Sony VGC-RT100Y - Manual (Page 31)

31 n N
Getting Started
3 Slide the power switch on the bottom of the mouse to the ON position.
4 Press the CONNECT button (1) on the right of the computer.
5 Press the CONNECT button on the bottom of the mouse within 10 seconds from step 4.
Communication between the mouse and the computer should now be established.
✍
If the wireless mouse does not operate properly, the batteries may need to be replaced. If you do not intend to use the wireless mouse for an extended
period of time, remove the batteries to avoid possible damage from battery leakage.