diff --git a/manual/manual-api/mainClient.cpp b/manual/manual-api/mainClient.cpp
index 393a6bef1..b8d90cfdf 100644
--- a/manual/manual-api/mainClient.cpp
+++ b/manual/manual-api/mainClient.cpp
@@ -71,10 +71,6 @@ int main(int argc,  char **argv) {
 
 	/** - registering data callback */
 	pDetector->registerDataCallback(&dataCallback, NULL);
-	/** - if receiver exists, enable data streaming from receiver to get the data */
-	pDetector->enableDataStreamingFromReceiver(1);
-	/** - create zmq sockets in client to enable data streaming in of data from receiver/different process */
-	pDetector->enableDataStreamingToClient(1);
 
 
 	/** - ensuring detector status is idle before starting acquisition. exiting if not idle */
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index ff1030324..fcf73387d 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -2567,8 +2567,22 @@ int multiSlsDetector::configureMAC() {
 	return callDetectorMember(&slsDetector::configureMAC);
 }
 
-int64_t multiSlsDetector::setTimer(timerIndex index, int64_t t) {
-	int64_t ret = parallelCallDetectorMember(&slsDetector::setTimer, index, t);
+int64_t multiSlsDetector::setTimer(timerIndex index, int64_t t, int imod) {
+	int64_t ret=-100;
+
+	// single (for gotthard 25 um)
+	if (imod != -1) {
+		if (imod >= 0 && imod < (int)detectors.size()) {
+			ret = detectors[imod]->setTimer(index,t,imod);
+			if(detectors[imod]->getErrorMask())
+				setErrorMask(getErrorMask()|(1<<imod));
+			return ret;
+		}
+		return -1;
+	}
+
+	// multi
+	ret = parallelCallDetectorMember(&slsDetector::setTimer, index, t);
 	if (index == SAMPLES_JCTB)
 		setDynamicRange();
 
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
index d370633eb..ae6c03866 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
@@ -1033,9 +1033,10 @@ public:
 	 * Set/get timer value (not all implemented for all detectors)
 	 * @param index timer index
 	 * @param t time in ns or number of...(e.g. frames, gates, probes)
+	 * @param imod module number (gotthard delay can have different values)
 	 * @returns timer set value in ns or number of...(e.g. frames, gates, probes)
 	 */
-	int64_t setTimer(timerIndex index, int64_t t=-1);
+	int64_t setTimer(timerIndex index, int64_t t=-1, int imod = -1);
 
 	/**
 	 * Set/get timer value left in acquisition (not all implemented for all detectors)
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index 1fbc290e1..9656db125 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -4117,7 +4117,7 @@ int slsDetector::configureMAC() {
 
 
 
-int64_t slsDetector::setTimer(timerIndex index, int64_t t) {
+int64_t slsDetector::setTimer(timerIndex index, int64_t t, int imod) {
 
 
 	int fnum=F_SET_TIMER,fnum2=F_SET_RECEIVER_TIMER;
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.h b/slsDetectorSoftware/slsDetector/slsDetector.h
index da2ee5d3a..960b152ac 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.h
+++ b/slsDetectorSoftware/slsDetector/slsDetector.h
@@ -1140,9 +1140,10 @@ public:
 	 * Set/get timer value (not all implemented for all detectors)
 	 * @param index timer index
 	 * @param t time in ns or number of...(e.g. frames, gates, probes)
+	 * \param imod module number (pointless in slsDetector)
 	 * @returns timer set value in ns or number of...(e.g. frames, gates, probes)
 	 */
-	int64_t setTimer(timerIndex index, int64_t t=-1);
+	int64_t setTimer(timerIndex index, int64_t t=-1, int imod = -1);
 
 	/**
 	 * Set/get timer value left in acquisition (not all implemented for all detectors)
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorBase.h b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
index a77649854..f54f25b4c 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorBase.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
@@ -367,17 +367,18 @@ class slsDetectorBase :  public virtual slsDetectorDefs, public virtual errorDef
      set/get timer value
      \param index timer index
      \param t time in ns or number of...(e.g. frames, gates, probes)
+     \param imod module number
      \returns timer set value in ns or number of...(e.g. frames, gates, probes)
   */
-  virtual int64_t setTimer(timerIndex index, int64_t t=-1)=0;
-  int64_t setExposureTime(int64_t t=-1){return setTimer(ACQUISITION_TIME,t);};
-  int64_t setSubFrameExposureTime(int64_t t=-1){return setTimer(SUBFRAME_ACQUISITION_TIME,t);};
-  int64_t setSubFramePeriod(int64_t t=-1){return setTimer(SUBFRAME_PERIOD,t);};
-  int64_t setExposurePeriod(int64_t t=-1){return setTimer(FRAME_PERIOD,t);};
-  int64_t setDelayAfterTrigger(int64_t t=-1){return setTimer(DELAY_AFTER_TRIGGER,t);};
-  int64_t setNumberOfGates(int64_t t=-1){return setTimer(GATES_NUMBER,t);};
-  int64_t setNumberOfFrames(int64_t t=-1){return setTimer(FRAME_NUMBER,t);};
-  int64_t setNumberOfCycles(int64_t t=-1){return setTimer(CYCLES_NUMBER,t);};
+  virtual int64_t setTimer(timerIndex index, int64_t t=-1, int imod = -1)=0;
+  int64_t setExposureTime(int64_t t=-1, int imod = -1){return setTimer(ACQUISITION_TIME,t,imod);};
+  int64_t setSubFrameExposureTime(int64_t t=-1, int imod = -1){return setTimer(SUBFRAME_ACQUISITION_TIME,t,imod);};
+  int64_t setSubFramePeriod(int64_t t=-1, int imod = -1){return setTimer(SUBFRAME_PERIOD,t,imod);};
+  int64_t setExposurePeriod(int64_t t=-1, int imod = -1){return setTimer(FRAME_PERIOD,t,imod);};
+  int64_t setDelayAfterTrigger(int64_t t=-1, int imod = -1){return setTimer(DELAY_AFTER_TRIGGER,t,imod);};
+  int64_t setNumberOfGates(int64_t t=-1, int imod = -1){return setTimer(GATES_NUMBER,t,imod);};
+  int64_t setNumberOfFrames(int64_t t=-1, int imod = -1){return setTimer(FRAME_NUMBER,t,imod);};
+  int64_t setNumberOfCycles(int64_t t=-1, int imod = -1){return setTimer(CYCLES_NUMBER,t,imod);};
 
 
   /** sets/gets the value of important readout speed parameters
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
index 87fdae6cd..c35d64dd4 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
@@ -157,43 +157,58 @@ int slsDetectorUsers::setThresholdEnergy(int e_ev, int tb, int isettings, int id
   return myDetector->slsDetectorBase::setThresholdEnergy(e_ev, tb, isettings, id);
 }
 
-double slsDetectorUsers::setExposureTime(double t, bool inseconds){
-  int64_t tms = (int64_t)(t * (1E+9));
-  if (t < 0) tms = -1;
-  if(!inseconds)
-    return myDetector->setExposureTime((int64_t)t);
-  else
-    return  ((1E-9) * (double)myDetector->setExposureTime(tms));
+double slsDetectorUsers::setExposureTime(double t, bool inseconds, int imod){
+	if(!inseconds)
+		return myDetector->setExposureTime((int64_t)t,imod);
+	else {
+		// + 0.5 to round for precision lost from converting double to int64_t
+		int64_t tms = (int64_t)(t * (1E+9) + 0.5);
+		if (t < 0) tms = -1;
+		tms = myDetector->setExposureTime(tms,imod);
+		if (tms < 0)
+			return -1;
+		return  ((1E-9) * (double)tms);
+	}
 }
 
-double slsDetectorUsers::setExposurePeriod(double t, bool inseconds){
-  int64_t tms = (int64_t)(t * (1E+9));
-  if (t < 0) tms = -1;
-  if(!inseconds)
-    return myDetector->setExposurePeriod((int64_t)t);
-  else
-    return  ((1E-9) * (double)myDetector->setExposurePeriod(tms));
+double slsDetectorUsers::setExposurePeriod(double t, bool inseconds, int imod){
+	if(!inseconds)
+		return myDetector->setExposurePeriod((int64_t)t,imod);
+	else {
+		// + 0.5 to round for precision lost from converting double to int64_t
+		int64_t tms = (int64_t)(t * (1E+9) + 0.5);
+		if (t < 0) tms = -1;
+		tms = myDetector->setExposurePeriod(tms,imod);
+		if (tms < 0)
+			return -1;
+		return  ((1E-9) * (double)tms);
+	}
 }
 
-double slsDetectorUsers::setDelayAfterTrigger(double t, bool inseconds){
-  int64_t tms = (int64_t)(t * (1E+9));
-  if (t < 0) tms = -1;
-  if(!inseconds)
-    return myDetector->setDelayAfterTrigger((int64_t)t);
-  else
-    return  ((1E-9) * (double)myDetector->setDelayAfterTrigger(tms));
+double slsDetectorUsers::setDelayAfterTrigger(double t, bool inseconds, int imod){
+	if(!inseconds)
+		return myDetector->setDelayAfterTrigger((int64_t)t,imod);
+	else {
+		// + 0.5 to round for precision lost from converting double to int64_t
+		int64_t tms = (int64_t)(t * (1E+9) + 0.5);
+		if (t < 0) tms = -1;
+		tms = myDetector->setDelayAfterTrigger(tms,imod);
+		if (tms < 0)
+			return -1;
+		return  ((1E-9) * (double)tms);
+	}
 }
 
-int64_t slsDetectorUsers::setNumberOfGates(int64_t t){
-  return myDetector->setNumberOfGates(t);
+int64_t slsDetectorUsers::setNumberOfGates(int64_t t, int imod){
+  return myDetector->setNumberOfGates(t,imod);
 } 
 
-int64_t slsDetectorUsers::setNumberOfFrames(int64_t t){
-  return myDetector->setNumberOfFrames(t);
+int64_t slsDetectorUsers::setNumberOfFrames(int64_t t, int imod){
+  return myDetector->setNumberOfFrames(t,imod);
 }
 
-int64_t slsDetectorUsers::setNumberOfCycles(int64_t t){
-  return myDetector->setNumberOfCycles(t);
+int64_t slsDetectorUsers::setNumberOfCycles(int64_t t, int imod){
+  return myDetector->setNumberOfCycles(t,imod);
 }
   
 int slsDetectorUsers::setTimingMode(int pol){
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
index c73e32652..0b795f356 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
@@ -325,47 +325,53 @@ class slsDetectorUsers
         @short set/get exposure time value
         \param t time in sn  (-1 gets)
         \param inseconds true if the value is in s, else ns
+        \param imod module number (-1 for all)
         \returns timer set value in ns, or s if specified
     */
 
-   double setExposureTime(double t=-1, bool inseconds=false);
+   double setExposureTime(double t=-1, bool inseconds=false, int imod = -1);
 
     /**
          @short set/get exposure period
         \param t time in ns   (-1 gets)
         \param inseconds true if the value is in s, else ns
+        \param imod module number (-1 for all)
         \returns timer set value in ns, or s if specified
     */
-   double setExposurePeriod(double t=-1, bool inseconds=false);
+   double setExposurePeriod(double t=-1, bool inseconds=false, int imod = -1);
 
     /**
          @short set/get delay after trigger
         \param t time in ns   (-1 gets)
         \param inseconds true if the value is in s, else ns
+        \param imod module number (-1 for all)
         \returns timer set value in ns, or s if specified
     */
-   double setDelayAfterTrigger(double t=-1, bool inseconds=false);
+   double setDelayAfterTrigger(double t=-1, bool inseconds=false, int imod = -1);
 
   /** 
        @short set/get number of gates
       \param t number of gates  (-1 gets)
+      \param imod module number (-1 for all)
       \returns number of gates
   */
-   int64_t setNumberOfGates(int64_t t=-1); 
+   int64_t setNumberOfGates(int64_t t=-1, int imod = -1);
   
   /** 
        @short set/get number of frames i.e. number of exposure per trigger
       \param t number of frames  (-1 gets) 
+      \param imod module number (-1 for all)
       \returns number of frames
   */
-   int64_t setNumberOfFrames(int64_t t=-1);
+   int64_t setNumberOfFrames(int64_t t=-1, int imod = -1);
 
   /** 
        @short set/get number of cycles i.e. number of triggers
       \param t number of frames  (-1 gets) 
+      \param imod module number (-1 for all)
       \returns number of frames
   */
-   int64_t setNumberOfCycles(int64_t t=-1);
+   int64_t setNumberOfCycles(int64_t t=-1, int imod = -1);
   
 
  /** 
diff --git a/slsDetectorSoftware/threadFiles/Task.h b/slsDetectorSoftware/threadFiles/Task.h
index cbb4118f9..585f4a119 100644
--- a/slsDetectorSoftware/threadFiles/Task.h
+++ b/slsDetectorSoftware/threadFiles/Task.h
@@ -123,7 +123,7 @@ protected:
 	func2_t <int,				std::string,int>* 				m10;
 	func2_t <dacs_t,			dacIndex,int>* 					m11;
 	func2_t <detectorSettings,	detectorSettings,int>* 			m12;
-	func2_t <int64_t,			timerIndex,int64_t>* 			m13;
+	func3_t <int64_t,			timerIndex,int64_t,int>* 		m13;
 	func2_t <std::string,		networkParameter,std::string>* 	m14;
 	func3_t <int,				int,int,int>* 					m15;
 	func4_t <int,				trimMode,int,int,int>* 			m16;
@@ -149,7 +149,7 @@ public:
 	Task(func2_t <int,				std::string,int>* t):					SuperTask(),fnum(10){m10 = t;};
 	Task(func2_t <dacs_t,			dacIndex,int>* t):                  	SuperTask(),fnum(11){m11 = t;};
 	Task(func2_t <detectorSettings,	detectorSettings,int>* t):				SuperTask(),fnum(12){m12 = t;};
-	Task(func2_t <int64_t,			timerIndex,int64_t>* t):				SuperTask(),fnum(13){m13 = t;};
+	Task(func3_t <int64_t,			timerIndex,int64_t,int>* t):			SuperTask(),fnum(13){m13 = t;};
 	Task(func2_t <std::string,		networkParameter,std::string>* t):		SuperTask(),fnum(14){m14 = t;};
 	Task(func3_t <int,				int,int,int>* t): 						SuperTask(),fnum(15){m15 = t;};
 	Task(func4_t <int,				trimMode,int,int,int>* t):				SuperTask(),fnum(16){m16 = t;};