LG 34WN780P-B Owner's Manual page 32

HDMI Timing (Video)
Preset Mode
480P
720P
1080P
2160p
Power LED
Mode
On Mode
Sleep Mode (Standby Mode)
Off Mode
32
Horizontal Frequency (kHz)
31.5
45
67.5
135
LED Color
White (For a few seconds)
Off
Off
Vertical Frequency (Hz)
60
60
60
60