diff --git a/ClassData.h b/ClassData.h
index 2002cf1..0fdbe66 100644
--- a/ClassData.h
+++ b/ClassData.h
@@ -566,7 +566,7 @@ inline void Data::PrintChData(unsigned short ch, unsigned int maxRowDisplay) con
 inline void Data::PrintBuffer(){
   if( buffer == NULL || nByte == 0 ) return;
   printf("============== Received nByte : %u\n", nByte);
-  for( int i = 0; i < nByte/4; i++ ) {
+  for( unsigned int i = 0; i < nByte/4; i++ ) {
     ReadBuffer(i, 2);
     printf("\n");
   }
diff --git a/ClassDigitizer.cpp b/ClassDigitizer.cpp
index e7dede4..bae427c 100644
--- a/ClassDigitizer.cpp
+++ b/ClassDigitizer.cpp
@@ -439,7 +439,7 @@ int Digitizer::ProgramBoard_PSD(){
     ret |= CAEN_DGTZ_SetChannelDCOffset(handle, 0xF, 0xAAAA);
   }
 
-  // ret |= CAEN_DGTZ_WriteRegister(handle, (uint32_t)(DPP::DPPAlgorithmControl) + 0x7000 , 0x001 ); // baseline 16 sample
+  ret |= CAEN_DGTZ_WriteRegister(handle, (uint32_t)(DPP::DPPAlgorithmControl) + 0x7000 , 0x00100000 ); // baseline 16 sample
 
   ret |= CAEN_DGTZ_WriteRegister(handle, (uint32_t)(DPP::PSD::TriggerThreshold) + 0x7000 , 100 );