LG 21HQ513D Owner's Manual page 39

Support Mode (Preset Mode - PC)
DisplayPort/DVI
Resolution
640 x 480
800 x 600
1024 x 768
1280 x 1024
1200 x 1600
1536 x 2048
Horizontal Frequency (kHz)
31.469
37.879
48.363
63.981
67.5
126.33
Vertical Frequency (Hz) Polarity (H/V)
59.94
60.317
60
60.02
60
59.96
Remarks
-/-
+/+
-/-
-/-
+/- [Select Resolution]: [2MP]
+/- Recommended ([Select Resolution]: [3MP])
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