LG 24BL450YB Owner's Manual page 28

HDMI Timing (Video)
Factory support mode
Horizontal Frequency(kHz)
(Preset Mode)
480P
576P
720P
720P
1080P
1080P
28
Vertical Frequency(Hz)
31.50 60
31.25 50
37.50 50
45.00 60
56.25 50
67.50 60
HDMI
O
O
O
O
O
O
Recommend Mode