‎ Down Full Angle

 

The Down Full Angle is indicated by the red arc in the image below and is defined similar to the Up Full Angle but is in the negative z-direction when looking at the FOV from a side view.

 

Enter "25 degrees" as the Down Full Angle for your model and continue on to the next property.

 

Detect3D_Fire_and_Gas_Mapping_Flame_Detector_Field_of_View_DownFullAngle

Tutorial 10 - Figure 08 - Down Full Angle  for a FOV, side view pictured