HP LD4235 41.92-inch LED Digital Signage Display - Manual (Page 20)

4 Remote control
The remote control ships with batteries.
To replace batteries, open the battery cover, replace batteries (1.5 V AAA) matching (+) and (-) ends to the
label inside the compartment, and close the battery cover. To remove the batteries, perform the installation
actions in reverse.
CAUTION: Do not mix old and new batteries, as this may damage the remote control.
Make sure to point the remote control to the remote control sensor on the display.
10 Chapter 4 Remote control