LG 37LC5DCB Owner's Manual page 44

PICTURE CONTROL
TV Program Selection for PIP
Use the P P I I P P C C H H + + / / - - button to select a channel for the sub picture.
1
The selected channel number is displayed just below the input source of main picture.
Swapping the PIP / Double Window
1
Repeatedly, use the S S W W A A P P button to switch the main and sub pictures.
Component, RGB, HDMI1/DVI, HDMI2 input sources for the main picture can't be used to swap the
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main and sub pictures.
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