 		delay(200);
 		responseFlag = getResponse(readData);
 		if(responseFlag == false) Serial.println("Unexpected result");
-		Serial.println("You may now remove your card");
-	}
-	delay(3000);
+		Serial.println("You may now remove your card\n");
+	}
+	else Serial.println();
+	delay(5000);
 }
 
 void soundFeedback(bool reject) {

	// Analyze response packet and data
	if(responseFlag == false) {
		soundFeedback(reject);
		Serial.println("Read unsuccessful, please try again.");
		Serial.println();
		delay(500);
	}
	else {
		existingTime = getTime(readData);
		if(readData[8] != 0xDD) {
			soundFeedback(reject);
			Serial.println("You are not authorized to use this machine.");
			Serial.println();
		}
		else if(existingTime >= quota) {
			soundFeedback(reject);
			Serial.println("You have reached your quota for this month.");
			Serial.println();
		}
		else {
			soundFeedback(!reject);
			Serial.println("User authenticated. Machine is ready to fire. Please do not remove your card.");
			elapsedTime = accumulator();
			Serial.print("Total time used: ");
			Serial.println(elapsedTime + existingTime);
			Serial.println();
		}
	}


	while(1) {
		// poll for card
		MF_SNR();
		/*cardPresent = getResponse(A);
		delay(cardTimeout);
		if(!getResponse(A)) {
			Serial.println("Card not detected.");
			return 0;
		}*/

		if(!getResponse(A)) {
			delay(cardTimeout);
			if(!getResponse(A)) {
				Serial.println("Card not detected.");
				return 0;
			}
		}

		// read signal state
