LG 32BN88U Owner's Manual page 32

HDMI Timing (Video)
Resolution Horizontal Frequency (kHz)
480p
720p
1080p
2160p
32
Vertical Frequency (Hz)
31.5 60
45.0 60
67.5 60
135 60
Remarks
When [HDMI ULTRA HD Deep Color] is set to [ON]