LG 20M39H Owner's Manual page 37

Video Horizontal
Signal Frequency
Vertical Frequency 56 Hz to 75 Hz (D-SUB)
Synchronization
Input Connector
30 kHz to 83 kHz (Automatic)
30 kHz to 61 kHz (Automatic)
56 Hz to 75 Hz (DVI-D)
56 Hz to 75 Hz (HDMI)
Separate Sync.
Digital
15 pin D-SUB Connector
DVI-D Connector (Digital)
HDMI Connector
SPECIFICATIONS
24M38A 24M38D
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24M38H
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