Image | Advanced | Color; Image | Advanced | Input - LG BS275 Manual

User Controls
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Color
Use these settings for advanced adjustment of the individual Red,
Green, Blue, Cyan, Magenta and Yellow Colors.
Reset
Choose "Yes" to return the factory default settings for "Color"
menu.
Input
Use this option to enable / disable input sources. Press
the sub menu and select which sources you require. Press "OK" to
finalize the selection. The projector will not search for inputs that
are not selected.
IMAGE | Advanced
| Color
IMAGE | Advanced |
Input
to enter