Index: tools/FAD/ddd_for_fad/Functions.cpp
===================================================================
--- tools/FAD/ddd_for_fad/Functions.cpp	(revision 259)
+++ tools/FAD/ddd_for_fad/Functions.cpp	(revision 271)
@@ -117,4 +117,18 @@
 	  printf ("# 0x%.4X\n", ntohs (CMD_Buffer[0]));
   }
+
+	else if (strncmp (Buffer, "sclkon\n", 6) == 0)
+	{
+		CMD_Buffer[0] = htons (CMD_SCLK_ON);
+		printf ("# SCLK ENABLED ->\n");
+		printf ("# 0x%.4X\n", ntohs (CMD_Buffer[0]));
+	}
+	else if (strncmp (Buffer, "sclkoff\n", 7) == 0)
+	{
+		CMD_Buffer[0] = htons (CMD_SCLK_OFF);
+		printf ("# SCLK DISABLED ->\n");
+		printf ("# 0x%.4X\n", ntohs (CMD_Buffer[0]));
+	}
+	
 
   // Set ROI value
Index: tools/FAD/ddd_for_fad/SocketClient.h
===================================================================
--- tools/FAD/ddd_for_fad/SocketClient.h	(revision 259)
+++ tools/FAD/ddd_for_fad/SocketClient.h	(revision 271)
@@ -23,4 +23,8 @@
 #define CMD_DWRITE_RUN 0x0800   // DWRITE possibly HIGH
 #define CMD_DWRITE_STOP 0x0900  // DWRITE always LOW
+
+#define CMD_SCLK_ON 0x1000  
+#define CMD_SCLK_OFF 0x1100
+
 #define CMD_Trigger_C 0xB000    // continous trigger
 #define CMD_Trigger_S 0x2000    // stop continous trigger