Index: trunk/Mars/msignal/MArrivalTimePix.h
===================================================================
--- trunk/Mars/msignal/MArrivalTimePix.h	(revision 17828)
+++ trunk/Mars/msignal/MArrivalTimePix.h	(revision 17829)
@@ -36,7 +36,7 @@
 
     // Setter
-    void SetArrivalTime(Float_t sig, Float_t sigerr);
+    void SetArrivalTime(Float_t sig, Float_t sigerr=0);
     void SetArrivalTime(Float_t sighi, Float_t sighierr,Float_t siglo, Float_t sigloerr);
-    void SetGainSaturation(Byte_t higain, Byte_t logain);
+    void SetGainSaturation(Byte_t higain, Byte_t logain=0);
 
     // Getter