LG 32UN550-W Owner's Manual page 28

Factory Support Mode (Preset Mode, PC)
DisplayPort
Preset Mode
640 x 480
800 x 600
1024 x 768
1920 x 1080
2560 x 1440
3840 x 2160
3840 x 2160
28
Horizontal Frequency (kHz)
31.469
37.879
48.363
67.5
88.79
66.66
133.32
Vertical Frequency (Hz)
59.94
60.317
60
60
59.95
30
60
Polarity (H/V)
-/-
+/+
-/-
+/-
+/-
+/-
+/- DP Preferred timing
Remarks