180° View (Forward And Back) And Scout Wide Views - Lowrance HDS PRO Operator's Manual

Select the New icon in the favorite panel of the Home screen to
create a custom page.
Drag and drop two instances of the ActiveTarget app onto the
custom page and set the mode for one to Scout and the other to
Forward.
Note: To use the ActiveTarget app in a split screen, the two
ActiveTarget 2 transducers must not be paired.
180° View (forward and back) and Scout
wide views
To display a blended dual sonar image via the AT WIDE app, you
need to pair your two ActiveTarget 2 transducers.
Navigate to Settings > Sonar > ActiveTarget 2 pairing.
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ActiveTarget 2 Wide sonar| HDS Pro Operator Manual