Load the Blender node
Connect Displacement Map 1 to Input_1
Connect Displacement Map 2 to Input_2

Blending :
At 0 only the Input_1 map is used
At 1 only the Input_2 map is used

Between 0 and 1 the second map get blended with the first one.

Happy Posering, Tony

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!