Sony VPCL14J9E/S User Manual page 25

Using Your VAIO Computer >
Using the Keyboard
!
To maintain good communication, operate the wireless keyboard within the distance limitations of keyboard: approximately 10 m from your computer.
You cannot use the wireless keyboard in conjunction with the HDMI/VIDEO input function
If you find your wireless keyboard not working, for example after you used the keyboard with another VAIO model, reconnect the keyboard. See To
connect the wireless keyboard
Avoid using any wireless devices that exchange radio signals on the 2.4 GHz band near your wireless keyboard. These devices may create radio
interference, causing the keyboard to stop working properly.
Do not place metal furniture or objects near your computer or wireless keyboard, as this may create radio interference, causing the keyboard to stop
working properly.
Do not mix old (used) and new batteries when replacing batteries in the wireless keyboard. Be sure to use the same type and manufacture of the 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.
(page 29) for the detailed procedure.
(page 51).
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