LG Flat Panel Monitor User Manual page 16

Using the BNC connector with other types of video cards
Using the BNC connectors with other types of video cards. Follow the
example that fits your needs.
1.
In case of using a composite sync on green video signal(Sync On Green):
Connect each R,G and B video signals to BNC receptacles on the back of the
monitor.
2.
In case of using an external composite sync signal:
Connect each R, G and B video signals and composite sync signal to the BNC
receptacles on the rear panel.
* Varies according to model.
3.
In case of using a separate horizontal and vertical sync signal:
Connect each R, G and B video signals and the horizontal and vertical sync
signal to BNC receptacles on rear panel.
* Varies according to model.
NOTE
This package does not include the BNC connectors but you can
purchase them at your local computer stores.
This monitor does not support the DDC function, if you use the
5 BNC connectors with other types of video cards.
B G
R
Green
Blue
Red
B G
R
*
COMP.
HD
Green
Gray
Red
Blue
B G
*
VD
COMP.
HD
Green
Gray
Black
Blue
Red
A16
R
HD : Horizontal Drive
VD : Vertical Drive
COMP : Composite