diff --git a/ClassDigitizer.cpp b/ClassDigitizer.cpp
index 23c31f4..db20bc4 100644
--- a/ClassDigitizer.cpp
+++ b/ClassDigitizer.cpp
@@ -576,7 +576,7 @@ void Digitizer::StartACQ(){
 
   data->ClearTriggerRate();
   data->ClearData();
-  if( DPPType == DPPTypeCode::DPP_QDC_CODE ) SetOptimialAggOrg();
+  if( DPPType == DPPTypeCode::DPP_QDC_CODE ) SetQDCOptimialAggOrg();
 
   printf("    ACQ mode : %s (%d), TRG-OUT mode : %s (%d) \n", acqStr.c_str(), acqID, trgOutStr.c_str(), trgOutID);
 
@@ -1351,7 +1351,50 @@ void Digitizer::SetBits(Reg address, unsigned int bitValue, unsigned int bitLeng
   if( ret != 0 ) ErrorMsg(__func__);  
 }
 
-void Digitizer::SetOptimialAggOrg(){
+void Digitizer::AutoSetDPPEventAggregation(){ 
+  //ret  = CAEN_DGTZ_SetDPPAcquisitionMode(handle, CAEN_DGTZ_DPP_ACQ_MODE_List, CAEN_DGTZ_DPP_SAVE_PARAM_EnergyAndTime);
+
+  // if( DPPType == DPPTypeCode::DPP_QDC_CODE ){
+
+  // }else{
+
+  //   for( int ch = 0; ch < GetNumInputCh(); ch += 2 ){
+  //     uint32_t a1, a2;
+  //     ret |= CAEN_DGTZ_GetRecordLength(handle, &a1, ch);
+  //     ret |= CAEN_DGTZ_GetNumEventsPerAggregate(handle, &a2, ch);
+  //     printf("Ch %2d | RecordLength : %d | Event Agg : %d \n", ch, a1, a2);
+  //   }
+
+  //   uint32_t chMask ;
+  //   ret |= CAEN_DGTZ_GetChannelEnableMask(handle, &chMask);
+  //   printf("Ch Mask %0X \n", chMask);
+
+  // }
+
+  ret = 0;
+  ret |= CAEN_DGTZ_SetDPPEventAggregation(handle, 0, 0); // AutoSet
+  if( ret != 0 ) { 
+    printf("!!!!!!!! set %s error.\n", __func__);
+  }else{
+    Reg regAdd = DPP::AggregateOrganization;
+    uint32_t haha = ReadRegister(regAdd);
+    SetSettingToMemory(regAdd, haha, 0);
+    SaveSettingToFile(regAdd, haha, 0);
+  }
+}
+
+uint32_t Digitizer::ReadQDCRecordLength()  {
+  returnData = ReadRegister(DPP::QDC::RecordLength_R);
+  Reg temp = DPP::QDC::RecordLength_R; 
+  int indexR = temp.Index(0);
+  temp = DPP::QDC::RecordLength_W; 
+  int indexW = temp.Index(0);
+  setting[indexW] = setting[indexR];
+  //printf("%d %d | %u %u \n", indexR, indexW, setting[indexR], setting[indexW]);
+  return returnData;
+}
+
+void Digitizer::SetQDCOptimialAggOrg(){
   DebugPrint("%s", "Digitizer");
   if( DPPType != DPPTypeCode::DPP_QDC_CODE ) {
     printf("%s | this method only support QDC board.\n", __func__); 
diff --git a/ClassDigitizer.h b/ClassDigitizer.h
index 6087493..7d2ef7e 100644
--- a/ClassDigitizer.h
+++ b/ClassDigitizer.h
@@ -95,12 +95,8 @@ class Digitizer{
 
     void PrintBoard();    
     void ProgramBoard();
-    void AutoSetDPPEventAggregation(){ 
-      //ret  = CAEN_DGTZ_SetDPPAcquisitionMode(handle, CAEN_DGTZ_DPP_ACQ_MODE_List, CAEN_DGTZ_DPP_SAVE_PARAM_EnergyAndTime);
-      ret |= CAEN_DGTZ_SetNumEventsPerAggregate(handle, 10);
-      ret |= CAEN_DGTZ_SetDPPEventAggregation(handle, 0, 0); // AutoSet
-      if( ret != 0 ) { printf("!!!!!!!! set %s error.\n", __func__);}
-    } 
+
+    void AutoSetDPPEventAggregation();
     
     //^================ ACQ control
     void   StopACQ();
@@ -192,19 +188,9 @@ class Digitizer{
     bool IsDualTrace_PHA()           {return ( (GetSettingFromMemory(DPP::BoardConfiguration) >> 11) & 0x1 );}
     bool IsRecordTrace()             {return ( (GetSettingFromMemory(DPP::BoardConfiguration) >> 16) & 0x1 );}
 
-    void SetOptimialAggOrg();
-
     //QDC read recordLength
-    uint32_t ReadQDCRecordLength()  {
-      returnData = ReadRegister(DPP::QDC::RecordLength_R);
-      Reg temp = DPP::QDC::RecordLength_R; 
-      int indexR = temp.Index(0);
-      temp = DPP::QDC::RecordLength_W; 
-      int indexW = temp.Index(0);
-      setting[indexW] = setting[indexR];
-      //printf("%d %d | %u %u \n", indexR, indexW, setting[indexR], setting[indexW]);
-      return returnData;
-    }
+    uint32_t ReadQDCRecordLength();
+    void SetQDCOptimialAggOrg();
 
     void SetTrace(bool onOff){
       SetBits(DPP::BoardConfiguration, DPP::Bit_BoardConfig::RecordTrace, onOff, -1);
diff --git a/DigiSettingsPanel.cpp b/DigiSettingsPanel.cpp
index 04d8dc8..f5b97c9 100644
--- a/DigiSettingsPanel.cpp
+++ b/DigiSettingsPanel.cpp
@@ -257,6 +257,8 @@ DigiSettingsPanel::DigiSettingsPanel(Digitizer ** digi, unsigned int nDigi, QStr
         SendLogMsg("Digi-" +QString::number(digi[ID]->GetSerialNumber()) + " : AutoSetDPPEventAggregation()");
         digi[ID]->AutoSetDPPEventAggregation(); 
         UpdateBoardAndChannelsStatus();
+        UpdatePanelFromMemory();
+        emit UpdateOtherPanels();
       });
 
       // bnSendSoftwareClockSyncSignal = new QPushButton("Send SW Clock-Sync Signal", this);
diff --git a/RegisterAddress.h b/RegisterAddress.h
index 619203f..73c554f 100644
--- a/RegisterAddress.h
+++ b/RegisterAddress.h
@@ -508,7 +508,7 @@ namespace DPP {
 
   const Reg RecordLength_G              ("RecordLength_G"              , 0x1020, RW::ReadWrite,  true, 0x3FFF,  8); /// R/W
   const Reg InputDynamicRange           ("InputDynamicRange"           , 0x1028, RW::ReadWrite, false, {{"2 Vpp", 0},{"0.5 Vpp", 1}}); /// R/W
-  const Reg NumberEventsPerAggregate_G  ("NumberEventsPerAggregate_G"  , 0x1034, RW::ReadWrite,  true,  0x3FF, -1); /// R/W
+  const Reg NumberEventsPerAggregate_G  ("NumberEventsPerAggregate_G"  , 0x1034, RW::ReadWrite,  true,  0x1FF, -1); /// R/W
   const Reg PreTrigger                  ("PreTrigger"                  , 0x1038, RW::ReadWrite, false,   0xFF,  4); /// R/W
   const Reg TriggerThreshold            ("TriggerThreshold"            , 0x106C, RW::ReadWrite, false, 0x3FFF, -1); /// R/W
   const Reg TriggerHoldOffWidth         ("TriggerHoldOffWidth"         , 0x1074, RW::ReadWrite, false,  0x3FF,  4); /// R/W