diff --git a/docho.c b/docho.c
index 1bd3b43..3321dd1 100644
--- a/docho.c
+++ b/docho.c
@@ -373,6 +373,10 @@ static void SplitChopperReply(pCodri self, char *prefix, char *pBueffel)
      {
          sprintf(pCommand,"nphas 2 %s",pValue);
      }
+     else if(strcmp(parname,"chopper1.nphas") == 0)
+     {
+         sprintf(pCommand,"nphas 1 %s",pValue);
+     }
      else if(strcmp(parname,"chopper2.ratio") == 0)
      {
         sprintf(pCommand,"ratio 2 %s",pValue);
@@ -570,6 +574,21 @@ static void SplitChopperReply(pCodri self, char *prefix, char *pBueffel)
           return HWIdle;
        }
      }
+     if(strcmp(parname,"chopper1.nphas") == 0)
+     {
+       iRet = StringDictGet(pPriv->pPar,"chopper1.dphas",pVal1,19);
+       sscanf(pVal1,"%f",&fDelta);
+       if(fDelta < 0.)
+          fDelta = - fDelta;
+       if(fDelta > 0.3)
+       {
+          return HWBusy;
+       }
+       else
+       {
+          return HWIdle;
+       }
+     }
 
      /* ratio */
      if(strcmp(parname,"chopper2.ratio") == 0)
diff --git a/el734hp.c b/el734hp.c
index ea2cd4f..9f46999 100644
--- a/el734hp.c
+++ b/el734hp.c
@@ -420,6 +420,8 @@ static int EL734Fix(void *pData, int iCode, float fValue){
   case BADLOC:
     snprintf(pCommand,49,"RMT 1\r");
     transactEL734(self->controller,pCommand,strlen(pCommand),pReply,79);
+    snprintf(pCommand,49,"ECHO 0\r");
+    transactEL734(self->controller,pCommand,strlen(pCommand),pReply,79);
     return  MOTREDO;
   case NOTCONNECTED:
     initRS232(self->controller);