diff --git a/DSTAT-temp/src/main.c b/DSTAT-temp/src/main.c
index fda7f6b53373ffcc718a174f6accb8bd6fb9fb87..e82cba2ab9ba6c13e8120c4062f9728108bf63a6 100644
--- a/DSTAT-temp/src/main.c
+++ b/DSTAT-temp/src/main.c
@@ -24,6 +24,10 @@ int8_t command_handler(char command){
 	 * Calls functions in 
 	 * @param command Command character input.
 	 */
+	
+	int16_t pcv1, pcv2;
+	uint16_t pct1, pct2;
+	
 	switch (command){
 		case 'A': //ADS Buffer/rate/PGA values from ads1255.h
 			scanf("%x%x%x",&o1,&o2,&o3);
@@ -39,17 +43,20 @@ int8_t command_handler(char command){
 			break;
 			
 		case 'L': //LSV - start, stop, slope
-			scanf("%i%i%u",&p1,&p2,&u1);
+			scanf("%u%u%i%i%i%i%u",&pct1,&pct2,&pcv1,&pcv2,&p1,&p2,&u1);
+			precond(pcv1,pct1,pcv2,pct2);
 			lsv_experiment(p1,p2,u1,2);
 			break;
 			
 		case 'C': //CV - v1, v2, start, scans, slope
-			scanf("%i%i%i%u%u",&p1,&p2,&p3,&p5,&u1);
+			scanf("%u%u%i%i%i%i%i%u%u",&pct1,&pct2,&pcv1,&pcv2,&p1,&p2,&p3,&p5,&u1);
+			precond(pcv1,pct1,pcv2,pct2);
 			cv_experiment(p1,p2,p3,p5,u1);
 			break;
 			
 		case 'S': //SWV - start, stop, step size, pulse_height, frequency, scans
-			scanf("%i%i%u%u%u%u",&p1,&p2,&u1,&u2,&u3,&u4);
+			scanf("%u%u%i%i%i%i%u%u%u%u",&pct1,&pct2,&pcv1,&pcv2,&p1,&p2,&u1,&u2,&u3,&u4);
+			precond(pcv1,pct1,pcv2,pct2);
 			swv_experiment(p1,p2,u1,u2,u3,u4);
 			break;
 			
@@ -60,6 +67,7 @@ int8_t command_handler(char command){
 			//allocate arrays for steps
 			uint16_t * step_dac = malloc(p5*sizeof(uint16_t));
 			uint16_t * step_seconds = malloc(p5*sizeof(uint16_t));
+			
 			//check for successful allocation
 			if (!step_dac || !step_seconds){ 
 				printf("#ERR: Could not allocate memory\n\r");
@@ -77,7 +85,7 @@ int8_t command_handler(char command){
 				scanf("%u", &step_seconds[i]); //get step durations (seconds)
 				printf("#Time: %u\n\r", step_seconds[i]);
 			}
-			
+
 			ca_experiment(p5, step_dac, step_seconds);
 			
 			//free arrays
diff --git a/DSTAT1.atsuo b/DSTAT1.atsuo
index eaee2bba9f0de3e79c1fe0fae1ffe578ee751b0f..e9285442c605f94fecea94ef2226a0542702f29e 100644
Binary files a/DSTAT1.atsuo and b/DSTAT1.atsuo differ