Sony VGN-A690 - Manual (Page 21)

Locating Controls and Ports
21
Bottom
1 Port replicator connector 4 RELEASE switch
2 Air vents 5 Battery bay
3 LOCK/UNLOCK switch 6 CONNECT button
*
* On selected models with wireless mouse functionality.
✍
See “Connecting the Wireless Mouse” on page 36 for more information about using
the wireless optical mouse.