         else {
           // the remote XBee did not receive our packet. is it powered on?
           //flashLed(errorLed, 6, 500);
-          Serial.println("The remote XBee did not receive our packet. is it powered on?");
+          Serial.println(F("The remote XBee did not receive our packet. is it powered on?"));
         }
       } 
       else{
-        Serial.println("Dunno wat happened huhu.");
+        Serial.println(F("Dunno wat happened huhu."));
       }
 
     } 
     else if (xbee.getResponse().isError()) {
       //nss.print("Error reading packet.  Error code: ");  
       //nss.println(xbee.getResponse().getErrorCode());
-      Serial.println("Error1");
+      Serial.println(F("Error1"));
     } 
     else {
       // local XBee did not provide a timely TX Status Response -- should not happen
       //flashLed(errorLed, 2, 50);
-      Serial.println("Error2");
+      Serial.println(F("Error2"));
     }
     /***************************************/
 
   }
 
-  Serial.println("End of loop");
+  Serial.println(F("End of loop"));
 
   if (timeElapsed > 180000) {
     {				

    xbee.send(zbTx);

    /*************ERROR CHECKS**************/
    Serial.println("Packet sent");

    // flash TX indicator
    //flashLed(statusLed, 1, 100);

        case 'A': { //oks
            //SET ALARM
            Serial.println(F("Set Alarm Interval"));
            //setAlarmInterval();
            Serial.println();
            break;
          }
