Sony VGX-XL1 - Manual (Page 11)

8 VGX-XL1 Digital Living System
Activate Wireless Keyboard Communication
Before using the keyboard, you must activate communications between the
DLS computer and the wireless keyboard w/integrated pointing device.
To activate wireless keyboard communications
Make sure there are no obstructions between the XL1A computer and the
wireless keyboard when activating communications.
1 On the front of the keyboard, slide the Power button to On.
2 On the back of the keyboard, slide the Point Device button to On.
3 On the back of the keyboard, and the front panel of the XL1A computer, press
the connect buttons simultaneously and hold for a few seconds.
4 Test the keyboard and the point device to make sure both are functioning
properly.