diff --git a/KorMYS/src/main.cpp b/KorMYS/src/main.cpp
index b684ac0..13c0c37 100644
--- a/KorMYS/src/main.cpp
+++ b/KorMYS/src/main.cpp
@@ -54,7 +54,7 @@ void setup()
 	Serial.begin(115200);
 	sSerial.begin(9600);
 	//set_per(2, &sSerial);
-  SDS011workmode(2, &sSerial);
+  //SDS011workmode(2, &sSerial);
   sds.begin(&sSerial);
 	Serial.println("Begin");
   //Serial.println(sds.queryFirmwareVersion().toString()); // prints firmware version
@@ -73,11 +73,11 @@ void setup()
 	timeDelay = (loadState(8) << 8) + loadState(9);
 	fadeTime = (loadState(10) << 8) + loadState(11);
 	curDelay = -1;
-	Serial.print(F("Min Light"));Serial.println(minLight);
-	Serial.print(F("Min LightDB"));Serial.println(minLightDB);
-	Serial.print(F("LightInt"));Serial.println(LightInt);
-	Serial.print(F("SDS Period"));Serial.println(sdsPeriod);
-	Serial.print(F("Time Delay"));Serial.println(timeDelay);
+	Serial.print(F("Min Light "));Serial.println(minLight);
+	Serial.print(F("Min LightDB "));Serial.println(minLightDB);
+	Serial.print(F("LightInt "));Serial.println(LightInt);
+	Serial.print(F("SDS Period "));Serial.println(sdsPeriod);
+	Serial.print(F("Time Delay "));Serial.println(timeDelay);
   SDS011workmode(sdsPeriod, &sSerial);
 //	if(minLight == 0) minLight = 5;
 	//adc = analogRead(A0);
@@ -211,6 +211,7 @@ void receive(const MyMessage &message)
   if((message.sensor == 3) && (message.type == V_VAR5)){
     sdsPeriod = message.getInt();
 		saveState(6, sdsPeriod);
+		SDS011workmode(sdsPeriod, &sSerial);
     Serial.print("Sds period:");
     Serial.println(sdsPeriod);
   }