HP LD4210 42-inch LCD Digital Signage Display - Manual (Page 22)

Component Function
10 OK Accepts a selection or displays the current mode
11 BACK Navigates one step back in an interactive application
12 ID ON or OFF Enables the display lock
13 USB menu control
buttons Use with the HP Media Sign Player option lists in the USB menu
14 ENERGY SAVING Adjusts the Energy Saving mode
15 INPUT Opens the Input Source menu options (RGB, HDMI/DVI, and DisplayPort)
16 Not supported
17 ARC Selects the Aspect Ratio converter mode
18 BRIGHTNESS Adjusts the resolution and brightness by pressing the Up and Down buttons on the remote
control
In USB mode, the OSD menu uses the Page function of the BRIGHTNESS button to move to the
next file list.
19 AUTO Automatically adjusts picture position and minimizes image instability (RGB input only)
20 USB Selects USB menu to control HP Media Sign Player
21 EXIT Clears all on-screen displays and returns to display viewing from any menu
22 TILE Selects the TILE Mode
14 Chapter 3 Setting up the display ENWW