Samsung VM55B-U 55" Video Wall Display - Manual (Page 16)

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Move to the upper, lower, left or right menu,
or adjust an option's setting.
Confirm a menu selection.
Exit the current menu.
Select from the connected external devices.
Display information about the current input
source.
Return to the previous menu.
Quickly select frequently used functions.
It sets safe lock function.
Press the SET button and enter a device ID
using numeric buttons. Control the product
using the remote control.
Cancel a value that has been set using the SET
button and control all connected products
using the remote control.
– Remote control button functions
may differ for different products.
To place batteries in the remote control (AAA x 2)