LG M2380D Owner's Manual page 17

Connecting a set-top box with a HDMI cable
Connect the digital set-top box to HDMI/DVI IN 1 or
1
HDMI/DVI IN 2 jack on the Monitor set.
2
Turn on the digital set-top box.
(Refer to the owner's manual for the digital set-top
box.)
3
Select HDMI 1 or HDMI 2 input source using the
INPUT button on the remote control.
!
NOTE
►Check that your HDMI cable is High Speed HDMI Cable. If the HDMI cables are not High Speed
HDMI Cable, flickering or no screen display can result. Please use the High Speed HDMI Cable.
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