LG 43UD79 Service Manual page 7

3HDMI Video input(Refer to Manual)
Factory support mode Horizontal
(Preset Mode) Frequency(kHz)
480p 31.5
720p 45.0
1080p 67.5
2160p 135
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Only for training and service purposes
Vertical
Remarks
Frequency(Hz)
60
60
60
60
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