Parts of the display and their functions
13
Input/output terminals (RP840G)
HDMI4(4K2K)
HDMI4(4K2K)
LAN
No.
Name
Description
USB
Connects USB devices such as USB keyboards, USB mice, and USB
flash drives.
HDMI IN
High-definition multimedia interface signal input. Connect to PC
with an HDMI output, a set-top-box, or other video devices
capable of realizing touch function.
HDMI 4 realizes 4K2K resolution.
VGA OUT
Connects to display devices with a VGA input.
AUDIO IN
External computer audio input.
VGA IN
External computer image input.
TOUCH
External computer touch signal input. Default touch function is
available under internal computer, when connecting external
computer, besides connecting external computer VGA and audio
signals, external computer's USB port needs to be connected to
the equipment. Under the condition that driver is installed,
external computer can be touch controlled through the equipment
(touch function is effective in PC, VGA and HDMI channel by
default)
AV IN
Composite video and audio input.
COAX OUT
Coaxial output.
RS232
Serial interface, used for mutual transfer of data between devices.
EARPHONE
Connected to device with headphone input function.
LAN
LAN interface, connecting RJ45 terminals. (This network port is
only used for the closed Android OS on this product.)
AC IN
AC power input, connecting AC power supply.
POWER SWITCH
Power switch, to open and shut down AC power supply.
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