![background image](http://html.mh-extra.com/html/viewsonic/vp3268-4k/vp3268-4k_user-manual_1021400055.webp)
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1-1. For Quad Windows-
Choose your source in the ‘source select’ sub-menu
Quad Window Options
Select an input option
Top-Left
Top-Right
Bottom-Left
Bottom-Right
1-2. For PBP Top-Bottom
Choose your source in the ‘source select’ sub-menu
PBP Options
Choose 1
Top Source
Mini DP
DisplayPort
Bottom Source
HDMI 1
HDMI 2
In PBP Top-Bottom, please adjust the screen resolution to
3840x1080 in order to display full-sized main-picture and sub-pictyre
image.