20TOOLS INFOSET UNSET LOCKPCADVIBHDMICDPDEXITRETURNIR controlDisplay information about the current inputsource.Move to the upper, lower, left or right menu, oradjust an option's setting.Confirm a menu selection.Exit the current menu.Manually select a connected input sourcefrom PC, DVI, HDMI1, HDMI2, HDMI3 orDisplayPort1, DisplayPort2, DisplayPort3.Not Available.Quickly select frequently used functions.Return to the previous menu.It sets safe lock function.If multiple products are connected through theVideo Wall feature, press the SET button andenter a product ID using the number buttons.Control the product using the remote control.Cancel a value that has been set using theSET button and control all connected productsusing the remote control.- Remote control button functions maydiffer for different products.To place batteries in the remote control