Properly configured headers on TDS744A scopes before trying to establish communications

servers/gpib_server_lin/src/scope_functions.cpp

@@ -775,6 +775,11 @@ int scope_perform_initial_setup(const char * scopeType, int gpibDevice) {
 		return -1;
 	}
 	else if (strcmp("TDS744AOS", scopeType) == 0) {
+		sprintf(falpha,"HEAD OFF");
+		#ifdef ENABLE_EXTRA_DEBUGGING
+		printf("[DEBG] Writing: %s\n\r", falpha);
+		#endif
+		if (gpib_write(gpibDevice, falpha) == 0) {
 			sprintf(falpha,"DATA:ENCDG RIBINARY");
 			#ifdef ENABLE_EXTRA_DEBUGGING
 			printf("[DEBG] Writing: %s\n\r", falpha);
@@ -808,6 +813,10 @@ int scope_perform_initial_setup(const char * scopeType, int gpibDevice) {
 				return -2;
 			}
 		}
+		else {
+			return -2;
+		}
+	}
 	else {
 		return -1;
 	}