RGBlink VSP 628PRO User Manual page 90

Then user can set PIP location, in addition to system default PIP upper left
picture, also can choose picture above picture and picture edge picture.
In PIP mode, the default image1 is the main image, image2 for PIP sprite,
click the corresponding image when need to edit image1 or image2 , the
selected image with blue stripes, tick, as shown below: image2 is selected,
all settings will for image 2. For example, you can switch "Input" icon in
title bar to choose image 2 input source.
VSP 628PRO User Manual 90