diff --git a/Beam/BeamData.lua b/Beam/BeamData.lua
index b5602b0..50db7ee 100644
--- a/Beam/BeamData.lua
+++ b/Beam/BeamData.lua
@@ -229,34 +229,34 @@ local function GetSetupInfo( sHead)
    
    -- testa 5 assi da sopra
    if sHead == 'H11' then
-      SetupInfo.bIsTopHead = true
-      SetupInfo.bIsBottomHead = not SetupInfo.bIsTopHead
+      SetupInfo.HeadType = { bTop = true, bBottom = false}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxNegativeAngle = sin( -35)
    -- lama su aggregato testa 5 assi da sopra
    elseif sHead == 'H12' then
-      SetupInfo.bIsTopHead = true
-      SetupInfo.bIsBottomHead = not SetupInfo.bIsTopHead
+      SetupInfo.HeadType = { bTop = true, bBottom = false}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxNegativeAngle = sin( -35)
    -- seconda lama su aggregato testa 5 assi da sopra
    elseif sHead == 'H16' then
-      SetupInfo.bIsTopHead = true
-      SetupInfo.bIsBottomHead = not SetupInfo.bIsTopHead
+      SetupInfo.HeadType = { bTop = true, bBottom = false}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxNegativeAngle = sin( -35)
    -- motosega
    elseif sHead == 'H13' then
-      SetupInfo.bIsTopHead = true
-      SetupInfo.bIsBottomHead = not SetupInfo.bIsTopHead
+      SetupInfo.HeadType = { bTop = true, bBottom = false}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxNegativeAngle = 0
       SetupInfo.dZSafeDelta = 60
    -- testa 5 assi da sotto
    elseif sHead == 'H21' then
-      SetupInfo.bIsBottomHead = true
-      SetupInfo.bIsTopHead = not SetupInfo.bIsBottomHead
+      SetupInfo.HeadType = { bTop = false, bBottom = true}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxPositiveAngle = sin( 25)
    -- lama su aggregato testa 5 assi da sotto
    elseif sHead == 'H22' then
-      SetupInfo.bIsBottomHead = true
-      SetupInfo.bIsTopHead = not SetupInfo.bIsBottomHead
+      SetupInfo.HeadType = { bTop = false, bBottom = true}
+      SetupInfo.PreferredSide = {}
       SetupInfo.dMaxPositiveAngle = sin( 25)
    end
 
diff --git a/Essetre-PF1250MAX.mlde b/Essetre-PF1250MAX.mlde
index 5c695e1..59350a2 100644
--- a/Essetre-PF1250MAX.mlde
+++ b/Essetre-PF1250MAX.mlde
@@ -8,8 +8,8 @@
 require( 'EmtGenerator')
 EgtEnableDebug( false)
 
-PP_VER = '2.7b3'
-PP_NVER = '2.7.2.3'
+PP_VER = '2.7b4'
+PP_NVER = '2.7.2.4'
 MIN_MACH_VER = '2.5k1'
 MACH_NAME = 'Essetre-PF1250MAX'