diff --git a/TBF/Properties/AssemblyInfo.cs b/TBF/Properties/AssemblyInfo.cs
index fe04de4be..baae64d64 100644
--- a/TBF/Properties/AssemblyInfo.cs
+++ b/TBF/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("3.9.3136.0")]
-[assembly: AssemblyFileVersion("3.9.3136.0")]
+[assembly: AssemblyVersion("3.9.3137.0")]
+[assembly: AssemblyFileVersion("3.9.3137.0")]
diff --git a/TBF/Rig/TestMethods/iPerlCommunication/iPerlHead/IperlHead.cs b/TBF/Rig/TestMethods/iPerlCommunication/iPerlHead/IperlHead.cs
index cdef3045b..dc1a79e6b 100644
--- a/TBF/Rig/TestMethods/iPerlCommunication/iPerlHead/IperlHead.cs
+++ b/TBF/Rig/TestMethods/iPerlCommunication/iPerlHead/IperlHead.cs
@@ -400,7 +400,7 @@ namespace TBF.Rig.TestMethods.iPerlCommunication.iPerlHead
         private double timestampSec;
         private double timestampSec0;
 
-        private const int MultiplyFactor = 4;
+        private const int MultiplyFactor = 1;
         
         /// Test start volume for metrology in seconds
         public double TimestampSecStart