ViewSonic N3000w manual Source

SOURCE:

	SOURCE
Function Name	Explanation
Main Screen	Select main screen sources
	(TV1=>TV2 => AV1 => AV2 => AV3 => S-VIDEO1 => S-VIDEO2 =>
	YPbPr => YCbCr => RGB => DVI)
Sub Screen	Select sub screen sources
	(OFF => TV1=>TV2 => AV1 => AV2 => AV3 => S-VIDEO1 => S-
	VIDEO2 => YCbCr)
Audio From	Select main screen or sub-screen audio sources
Display Mode	Full --> PIP --> POP
	Full: Normal.
	PIP: Displays selected Sub Screen within the Main Screen.
	POP: Displays selected Sub Screen next to the Main Screen.
Wide Mode	Aspect --> Wide-->1:1
PIP Aspect	Aspect --> Wide
PIP H-POS	Sub Screen display H-Position adjustment
PIP V-POS	Sub Screen display V-Position adjustment
PIP Size	Sub Screen display Size adjustment

ViewSonic N3000w 19