diff --git a/pc/calibrate.c b/pc/calibrate.c
index 8a4b744..9603b0c 100644
--- a/pc/calibrate.c
+++ b/pc/calibrate.c
@@ -154,7 +154,7 @@ int main(int argc, char *argv[])
 		sweep_ota(zoom, gpib, ota_sweep_count); 
 		break;
 	case 2:
-		hold_ota2(zoom, gpib, ota_cmd);
+		hold_ota(zoom, gpib, ota_cmd);
 		break;
 	default:
 		calibrate(zoom, gpib);
@@ -421,7 +421,7 @@ void hold_ota(int zoom, int gpib, int ota_cmd)
 
 		iactual = keithley2002_read2(gpib, &tx);
 		
-		printf("%.8f %.8f\n", tx, iactual);
+		printf("%.12f %.12f\n", tx, iactual);
 		
 	}
 
diff --git a/pc/dactest.c b/pc/dactest.c
index c2cad97..42f5200 100644
--- a/pc/dactest.c
+++ b/pc/dactest.c
@@ -124,6 +124,7 @@ void write_random(int zoom, int gpib)
 		gettimeofday(&now, NULL);
 		meas = keithley2002_read(gpib);
 		printf("%ld.%06ld %d %.12f\n", now.tv_sec, now.tv_usec, dac, meas);
+		fflush(stdout);
 	}
 
 safecleanup: