Sony VGC-LT18E - Manual (Page 33)

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Using Your VAIO Computer
Using the Keyboard
A wireless keyboard is supplied with your computer.
The wireless keyboard uses a standard key arrangement with additional keys that perform specific functions.
Using the Wireless Keyboard
!
To maintain good communication, operate the wireless keyboard within the distance limitations of keyboard: approximately 32.8 feet (10 m) from your
computer.
Confirm that the supplied AA batteries are properly installed.
Press the CONNECT button located on the back of your computer first, and then press the CONNECT button on the bottom of the wireless keyboard.
Avoid using any wireless devices that exchange radio signals on the 2.4 GHz frequency band near the wireless keyboard. These devices may cause
interference, causing the keyboard to stop working properly.
Do not place metal furniture near your computer or wireless keyboard, as this may create interference, causing the keyboard to stop working properly.
Do not mix old (used) and new batteries when replacing batteries in the wireless keyboard. Always use the same type and manufacture of battery.
Do not mix alkaline with manganese batteries. Using incompatible batteries or mixing used, new or different types of batteries can damage the wireless
keyboard.