Index: trunk/ippMonitor/def/detResidExp.d
===================================================================
--- trunk/ippMonitor/def/detResidExp.d	(revision 18193)
+++ trunk/ippMonitor/def/detResidExp.d	(revision 19726)
@@ -22,5 +22,5 @@
 ARGS  ARG2 basename=$detResidExp.path_base
 
-OP    OP1  $detResidExp.bin_stdev > 0.0 ? $detResidExp.bg / $detResidExp.bin_stdev : NAN
+# OP    OP1  $detResidExp.bin_stdev > 0.0 ? $detResidExp.bg / $detResidExp.bin_stdev : NAN
 
 #     field                   size  format  name       show         link to              linkargs
@@ -38,5 +38,6 @@
 FIELD detResidExp.bg_stdev,      8, %.3f,   stdev,     value
 FIELD detResidExp.bin_stdev,     8, %.3f,   bin stdev, value
-FIELD *,                         8, %s,     S/N,       op=OP1
+FIELD (detResidExp.bg/detResidExp.bin_stdev), 8, %.3f, S/N, value
+# FIELD *,                         8, %s,     S/N,       op=OP1
 FIELD detResidExp.fringe_0,      8, %.3f,   fringe,    value
 FIELD detResidExp.fringe_1,      8, %.3f,   fringe err, value