HP (Hewlett-Packard) 2307890A 사용자 설명서

Keep spare batteries on hand. Battery life will vary with 
the use of the system.

Slide the battery cover off the back of the keyboard.

Insert four AA batteries (alkaline). Make sure the 
battery positive and negative ends are inserted 
correctly. 

Replace the battery cover.

Make sure the HP Digital Entertainment Center is 
powered on.

Test the keyboard.

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The keyboard is set to connect to the HP Digital 
Entertainment Center automatically.

If the keyboard does not operate:

Check the battery orientation.

If you have no batteries and must use a keyboard, attach 
a USB keyboard to the back or front panel. You can also 
use the remote control for many functions as a temporary 
substitute.