BenQ IL5501 55" SmInteractive Signage Display - Manual (Page 24)

Connection 24
Connecting the video output
To connect with a second display to duplicate the video from the input source:
1. Connect the
HDMI-OUT jack on the display to the HDMI jack of the second display
using an HDMI cable.
2. Plug in power cord, and switch power on.
3. Press Power ( ) on the remote control to turn on the display.
HDMI OUT
Display