HP LD4730 47-inch Micro-Bezel Video Wall Display manual Label Function, Line-In

	Label	Function
1	AC-IN	Receives the power cord.
2	AC SWITCH	Turns off or on power to entire device, controller as well as screen.
3	LINE-IN	For an audio cable connected to the Line Out on a media player or computer
		sound card. The plug should be a standard-sized, TRS-type with stereo capability.
4	SPEAKER-OUT	Audio output for bare-wire speaker connection to external speakers (sold
		separately).
5	RS232-OUT, RS232–IN	Serial port for control of the display. Takes a 9–pin, null-modem RS-232 cable
		connected to a controlling media player/computer or another digital signage
		display.
6	USB	For a color-calibration device or firmware upgrade.
7	VGA-OUT, VGA-IN	VGA input connects to a media player/computer or another display to support
		analog video and command data. VGA output supports chaining with VGA cables
		from display to display. The plug should be a 15–pin, D-Sub type.
8	SERVICE PORT	Used by authorized service personnel only.
9	DP-IN	DisplayPort input for digital video from a media player/computer. Connects to a
		media player/computer or another display in a chain.
10	DP-OUT	To connect to the DisplayPort input of another display in a chain.
11	Ethernet	RJ45 connector for video and command data from a network. Takes an Ethernet
		cable connected to a LAN or WAN; a network router, hub or switch; or directly to a
		media player/computer.
12	IR-IN	Infrared input for the external IR sensor (included) or the output from the previous
		display in a daisy chain (Blue Connector).
13	IR-OUT	Infrared output to connect to the next display in a daisy chain, for control of all
		displays with a single IR remote control (Green Connector).

Follow these steps for connecting cables:

1.Connect the AC power cord to the receptacle on the rear of the display (1). Figure 3-16Power

Read the power-cord safety precautions in Important safety information on page 3, then plug the other end into an electrical outlet.

Figure 3-17Connecting the power cord

16 Chapter 3 Setting up the display ENWW