HP LD4235 41.92-inch LED Digital Signage Display - Manual (Page 52)

HDMI connection
Transmits the digital video and audio signals from an external device to the display. Connect the external
device and the display with the HDMI cable as shown on the following illustration.
Back of the product:
NOTE: Use a High Speed HDMI Cable.
High Speed HDMI Cables are tested to carry an HD signal up to 1080p and higher.
42 Chapter 7 Making connections