diff --git a/servers/gpib_server_lin/src/gpib_functions.cpp b/servers/gpib_server_lin/src/gpib_functions.cpp
index e3e3a38..d3e170e 100644
--- a/servers/gpib_server_lin/src/gpib_functions.cpp
+++ b/servers/gpib_server_lin/src/gpib_functions.cpp
@@ -39,6 +39,9 @@ const char * scopeLongDescription (const char * scopeType) {
 	else if (strcmp("TDS744AOS", scopeType) == 0) {
 		return "Tektronix 744A series";
 	}
+	else if (strcmp("TDS744COS", scopeType) == 0) {
+		return "Tektronix 744C series";
+	}
 	else {
 		return "UNKNOWN";
 	}
@@ -128,4 +131,4 @@ int gpib_read_binary(int ud, int max_num_bytes) {
 		return -1;
 	}
 	return 0;
-}
\ No newline at end of file
+}
diff --git a/servers/gpib_server_lin/src/scope_functions.cpp b/servers/gpib_server_lin/src/scope_functions.cpp
index 96030c4..33d6ebf 100644
--- a/servers/gpib_server_lin/src/scope_functions.cpp
+++ b/servers/gpib_server_lin/src/scope_functions.cpp
@@ -49,7 +49,8 @@ unsigned long scopeScreenWidth (const char * scopeType) {
 	if (strcmp("HP54600OS", scopeType) == 0) {
 		return 512;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return 640;
 	}
 	else {
@@ -61,7 +62,8 @@ unsigned long scopeScreenHeight (const char * scopeType) {
 	if (strcmp("HP54600OS", scopeType) == 0) {
 		return 280;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return 480;
 	}
 	else {
@@ -73,7 +75,8 @@ unsigned long scopeScreenSize (const char * scopeType) {
 	if (strcmp("HP54600OS", scopeType) == 0) {
 		return scopeScreenWidth(scopeType)*scopeScreenHeight(scopeType)*3;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return scopeScreenWidth(scopeType)*scopeScreenHeight(scopeType)*3;
 	}
 	else {
@@ -139,7 +142,7 @@ int scope_get_screenshot_stage2(const char * scopeType, int gpibDevice) {
 	int k;
 	int m;
 
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Getting scope screenshot [Stage 2]\n\r");
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			if (gpib_read_binblock(gpibDevice, 19768, scopeType) == 0) {
@@ -149,7 +152,8 @@ int scope_get_screenshot_stage2(const char * scopeType, int gpibDevice) {
 				return 1;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			gpib_read_binary(gpibDevice, scopeScreenSize(scopeType));
 
 			int bpp;
@@ -188,7 +192,7 @@ int scope_reset(const char * funcgenType, int gpibDevice) {
 }
 
 int scope_get_screenshot(const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Getting scope screenshot [Stage 1]\n\r");
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "PRINT?");
@@ -202,7 +206,8 @@ int scope_get_screenshot(const char * scopeType, int gpibDevice) {
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "HARDCOPY:FORMAT BMPCOLOR");
 			if (gpib_write(gpibDevice, falpha) == 0) {
 				#ifdef ENABLE_EXTRA_DEBUGGING
@@ -240,7 +245,7 @@ int scope_get_screenshot(const char * scopeType, int gpibDevice) {
 }
 
 int scope_set_timebase(float desired_timebase,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope timebase to %E\n\r", desired_timebase);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "TIM:RANG %E", desired_timebase);
@@ -254,7 +259,8 @@ int scope_set_timebase(float desired_timebase,const char * scopeType, int gpibDe
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "HORIZONTAL:MAIN:SCALE %E", desired_timebase);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -285,7 +291,8 @@ int scope_get_timebase(double * retval, const char * scopeType, int gpibDevice)
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting scope timebase\n\r");
 		sprintf(falpha,"HORIZONTAL:MAIN:SCALE?");
@@ -325,7 +332,7 @@ int scope_get_timebase(double * retval, const char * scopeType, int gpibDevice)
 }
 
 int scope_set_volts_div(int desired_channel, double desired_volts, const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope volts/div on channel %d to %E\n\r", desired_channel, desired_volts);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "CHAN%d:RANG %E", desired_channel, desired_volts);
@@ -339,7 +346,8 @@ int scope_set_volts_div(int desired_channel, double desired_volts, const char *
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "CH%d:SCALE %E", desired_channel, desired_volts);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -361,7 +369,7 @@ int scope_set_volts_div(int desired_channel, double desired_volts, const char *
 }
 
 int scope_set_acquisition(int status,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope run status to %d\n\r", status);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			if (status == 0) {
@@ -380,7 +388,8 @@ int scope_set_acquisition(int status,const char * scopeType, int gpibDevice) {
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "ACQUIRE:STATE %d", status);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -411,7 +420,8 @@ int scope_get_acquisition(int * retval, const char * scopeType, int gpibDevice)
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting run state\n\r");
 		sprintf(falpha,"ACQUIRE:STATE?");
@@ -451,7 +461,7 @@ int scope_get_acquisition(int * retval, const char * scopeType, int gpibDevice)
 }
 
 int scope_set_channel_state(int desired_channel, int status,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting channel %d state to %i\n\r", desired_channel, status);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			if (status == 0) {
@@ -473,7 +483,8 @@ int scope_set_channel_state(int desired_channel, int status,const char * scopeTy
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			if (status == 0) {
 				sprintf(falpha, "SELECT:CH%d OFF", desired_channel);
 			}
@@ -514,7 +525,8 @@ int scope_get_channel_state(int * retval, int desired_channel, const char * scop
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		sprintf(falpha, "SELECT:CH%d?", desired_channel);
 		#ifdef ENABLE_EXTRA_DEBUGGING
 		printf("[DEBG] Writing: %s\n\r", falpha);
@@ -552,7 +564,7 @@ int scope_get_channel_state(int * retval, int desired_channel, const char * scop
 }
 
 int scope_set_trigger_channel(int desired_channel,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope trigger channel to %d\n\r", desired_channel);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "TRIG:SOUR CHAN%d", desired_channel);
@@ -566,7 +578,8 @@ int scope_set_trigger_channel(int desired_channel,const char * scopeType, int gp
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "TRIGGER:MAIN:EDGE:SOURCE CH%d", desired_channel);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -598,7 +611,8 @@ int scope_get_trigger_channel(int * retval, const char * scopeType, int gpibDevi
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		sprintf(falpha, "TRIGGER:MAIN:EDGE:SOURCE?");
 		#ifdef ENABLE_EXTRA_DEBUGGING
 		printf("[DEBG] Writing: %s\n\r", falpha);
@@ -646,7 +660,7 @@ int scope_get_trigger_channel(int * retval, const char * scopeType, int gpibDevi
 }
 
 int scope_set_trigger_level(float desired_level,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope trigger level to %f\n\r", desired_level);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "TRIG:LEV %E", desired_level);
@@ -660,7 +674,8 @@ int scope_set_trigger_level(float desired_level,const char * scopeType, int gpib
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "TRIGGER:MAIN:LEVEL %f", desired_level);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -691,7 +706,8 @@ int scope_get_trigger_level(double * retval, const char * scopeType, int gpibDev
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting trigger level\n\r");
 		sprintf(falpha,"TRIGGER:MAIN:LEVEL?");
@@ -731,7 +747,7 @@ int scope_get_trigger_level(double * retval, const char * scopeType, int gpibDev
 }
 
 int scope_set_channel_position(int desired_channel, float desired_level,const char * scopeType, int gpibDevice) {
-	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
+	if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0) || (strcmp("TDS744COS", scopeType) == 0)) {
 		printf("[INFO] Setting scope channel %d level to %f\n\r", desired_channel, desired_level);
 		if (strcmp("HP54600OS", scopeType) == 0) {
 			sprintf(falpha, "CHAN%d:OFFS %E", desired_channel, desired_level);
@@ -745,7 +761,8 @@ int scope_set_channel_position(int desired_channel, float desired_level,const ch
 				return 2;
 			}
 		}
-		else if (strcmp("TDS744AOS", scopeType) == 0) {
+		else if ((strcmp("TDS744AOS", scopeType) == 0)
+			|| (strcmp("TDS744COS", scopeType) == 0)) {
 			sprintf(falpha, "CH%d:POSITION %f", desired_channel, desired_level);
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -774,7 +791,8 @@ int scope_perform_initial_setup(const char * scopeType, int gpibDevice) {
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		sprintf(falpha,"HEAD OFF");
 		#ifdef ENABLE_EXTRA_DEBUGGING
 		printf("[DEBG] Writing: %s\n\r", falpha);
@@ -843,7 +861,8 @@ clock_gettime(CLOCK_REALTIME, &tp1);
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// We need to get/parse the preamble, then obtain and adjust the trace data
 		sprintf(falpha,"DATA:SOURCE CH%d", desired_channel);
 		#ifdef ENABLE_EXTRA_DEBUGGING
@@ -887,6 +906,9 @@ clock_gettime(CLOCK_REALTIME, &tp4);
 printf("[PROFILE] %f s\n\r", ((tp4.tv_nsec+(tp4.tv_sec*1e9))-(tp3.tv_nsec+(tp3.tv_sec*1e9)))/1e9);
 #endif
 					TQString preamble(scope_segarray);
+					#ifdef ENABLE_EXTRA_TRACE_DEBUGGING
+					printf("[DEBG] Preamble: %s\n", preamble.ascii());
+					#endif
 					TQStringList resultPairs = TQStringList::split(";", preamble, FALSE);
 					// Find/initialize critical data values
 					double ymult = 0;
@@ -897,16 +919,33 @@ printf("[PROFILE] %f s\n\r", ((tp4.tv_nsec+(tp4.tv_sec*1e9))-(tp3.tv_nsec+(tp3.t
 					double xposition = 0;
 					char* xunits = NULL;
 
-					if (resultPairs.count() > 15) {
-						ymult = resultPairs[13].toDouble();
-						yoffset = resultPairs[14].toDouble()*ymult;
-						yposition = resultPairs[15].toDouble()*ymult;
-						yunits = strdup(resultPairs[12]);
-						xincr = resultPairs[9].toDouble();
-						xposition = resultPairs[10].toDouble();
-						xunits = strdup(resultPairs[8]);
+					if (strcmp("TDS744AOS", scopeType) == 0) {
+						if (resultPairs.count() > 15) {
+							ymult = resultPairs[13].toDouble();
+							yoffset = resultPairs[14].toDouble()*ymult;
+							yposition = resultPairs[15].toDouble()*ymult;
+							yunits = strdup(resultPairs[12]);
+							xincr = resultPairs[9].toDouble();
+							xposition = resultPairs[10].toDouble();
+							xunits = strdup(resultPairs[8]);
+						}
+					}
+					else if (strcmp("TDS744COS", scopeType) == 0) {
+						if (resultPairs.count() > 15) {
+							ymult = resultPairs[13].toDouble();
+							yoffset = resultPairs[14].toDouble()*ymult;
+							yposition = resultPairs[15].toDouble()*ymult;
+							yunits = strdup(resultPairs[12]);
+							xincr = resultPairs[9].toDouble();
+							xposition = resultPairs[10].toDouble();
+							xunits = strdup(resultPairs[8]);
+						}
 					}
 
+					#ifdef ENABLE_EXTRA_TRACE_DEBUGGING
+					printf("[DEBG] Decoded preamble: xincr: %f ymult: %f\n", xincr, ymult);
+					#endif
+
 					// If the units are desired, comment out these lines...
 					if (yunits) {
 						free(yunits);
@@ -944,15 +983,23 @@ printf("[PROFILE] %f s\n\r", ((tp6.tv_nsec+(tp6.tv_sec*1e9))-(tp5.tv_nsec+(tp5.t
 							long pointCount = ai/2;
 							double horizPos = 0.0;
 							char yheaderlen[2];
+							#ifdef ENABLE_EXTRA_TRACE_DEBUGGING
+							printf("[DEBG] Point count: %d\n", pointCount);
+							#endif
 							yheaderlen[0] = scope_segarray[1];
 							yheaderlen[1] = 0;
 							int data_offset = atoi(yheaderlen) + 2;
 							for (array_pointer=0; array_pointer<pointCount; array_pointer++) {
 								TQ_INT16 tempvalue;
-								tempvalue = scope_segarray[(array_pointer*2)+1+data_offset];				// LSB
-								tempvalue = tempvalue | (scope_segarray[(array_pointer*2)+0+data_offset] << 8);		// MSB
+								tempvalue = (unsigned char)scope_segarray[(array_pointer*2)+1+data_offset];			// LSB
+								tempvalue = tempvalue | ((unsigned char)scope_segarray[(array_pointer*2)+0+data_offset] << 8);	// MSB
 								scope_raw_trace_data[array_pointer] = tempvalue;
 								scope_raw_trace_data[array_pointer] = (scope_raw_trace_data[array_pointer] * ymult)-yoffset;
+								#ifdef ENABLE_EXTRA_TRACE_DEBUGGING
+								if (array_pointer < 512) {
+									printf("[DEBG] Array [%d]: %04x (%f) [%02x/%02x]\n", array_pointer, tempvalue, scope_raw_trace_data[array_pointer], (unsigned char)scope_segarray[(array_pointer*2)+0+data_offset], (unsigned char)scope_segarray[(array_pointer*2)+1+data_offset]);
+								}
+								#endif
 								scope_raw_position_data[array_pointer] = horizPos;
 								horizPos = horizPos + xincr;
 							}
@@ -988,7 +1035,8 @@ int scope_get_number_of_horizontal_divisions(const char * scopeType, int gpibDev
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return 8;
 	}
 	else {
@@ -1002,7 +1050,8 @@ int scope_get_number_of_vertical_divisions(const char * scopeType, int gpibDevic
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return 10;
 	}
 	else {
@@ -1014,7 +1063,8 @@ int scope_get_number_of_channels(const char * scopeType, int gpibDevice) {
 	if (strcmp("HP54600OS", scopeType) == 0) {
 		return 2;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		return 4;
 	}
 	else {
@@ -1032,7 +1082,8 @@ int scope_get_channel_volts_div(double * retval, int desired_channel, const char
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting scope volts per division for channel %d\n\r", desired_channel);
 		sprintf(falpha,"CH%d:SCALE?", desired_channel);
@@ -1081,7 +1132,8 @@ int scope_get_channel_seconds_div(double * retval, int desired_channel, const ch
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		double xincr;
 
 		// Send request
@@ -1177,7 +1229,8 @@ int scope_get_channel_sample_count(unsigned long * retval, int desired_channel,
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting number of samples in trace for channel %d\n\r", desired_channel);
 		sprintf(falpha,"DATA:SOURCE CH%d", desired_channel);
@@ -1242,7 +1295,8 @@ int scope_get_probe_attenuation_multiplier(double * retval, int desired_channel,
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		// Send request
 		printf("[INFO] Getting trigger level for channel %d\n\r", desired_channel);
 		sprintf(falpha,"CH%d:PROBE?", desired_channel);
@@ -1287,7 +1341,8 @@ int scope_get_permitted_volts_div_settings_at_1x(int * number_of_values, double
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		*number_of_values = 13;
 		double* values = (double*)malloc(sizeof(double)*(*number_of_values));
 		values[0] = 1e-3;
@@ -1317,7 +1372,8 @@ int scope_get_permitted_seconds_div_settings(int * number_of_values, double ** r
 		// Not supported (yet)
 		return -1;
 	}
-	else if (strcmp("TDS744AOS", scopeType) == 0) {
+	else if ((strcmp("TDS744AOS", scopeType) == 0)
+		|| (strcmp("TDS744COS", scopeType) == 0)) {
 		*number_of_values = 28;
 		double* values = (double*)malloc(sizeof(double)*(*number_of_values));
 		values[0] = 1.25e-8;