Index: trunk/psModules/src/objects/models/pmModel_PS1_V1.c
===================================================================
--- trunk/psModules/src/objects/models/pmModel_PS1_V1.c	(revision 23487)
+++ trunk/psModules/src/objects/models/pmModel_PS1_V1.c	(revision 23962)
@@ -159,5 +159,5 @@
             break;
         case PM_PAR_7:
-            params_min =   0.1;
+            params_min =  -1.0;
             break;
         default: