diff --git a/Universal_Serial_Adapter/Config.cpp b/Universal_Serial_Adapter/Config.cpp
index b35d46d..7d6cff5 100644
--- a/Universal_Serial_Adapter/Config.cpp
+++ b/Universal_Serial_Adapter/Config.cpp
@@ -217,35 +217,56 @@ void Config::processSerialData() {
 	//if (DEBUG) {
 	//	Serial.println("Config::processSerialData()");
 	//}
+	//#if DEBUG == 2
+    //DateTime now = rtc.now();
+    //Serial.print(now.year(), DEC);
+    //Serial.print('/');
+    //Serial.print(now.month(), DEC);
+    //Serial.print('/');
+    //Serial.print(now.day(), DEC);
+    //Serial.print(' ');
+    //Serial.print(now.hour(), DEC);
+    //Serial.print(':');
+    //Serial.print(now.minute(), DEC);
+    //Serial.print(':');
+    //Serial.print(now.second(), DEC);
+    //Serial.println();
+	//#endif
 	switch (currentMode) {
 		case 0: // ttl
 			if (Serial3.available()) {
 				int inByte = Serial3.read();
 				Serial.write(inByte);
+				ui->blinkCancelButton();
 			}
 			if (Serial.available()) {
 				int inByte = Serial.read();
 				Serial3.write(inByte);
+				ui->blinkOKButton();
 			}
 			break;
 		case 1: // db9_null
 			if (Serial2.available()) {
 				int inByte = Serial2.read();
 				Serial.write(inByte);
+				ui->blinkCancelButton();
 			}
 			if (Serial.available()) {
 				int inByte = Serial.read();
 				Serial2.write(inByte);
+				ui->blinkOKButton();
 			}
 			break;
 		case 2: // cisco
 			if (Serial1.available()) {
 				int inByte = Serial1.read();
 				Serial.write(inByte);
+				ui->blinkCancelButton();
 			}
 			if (Serial.available()) {
 				int inByte = Serial.read();
 				Serial1.write(inByte);
+				ui->blinkOKButton();
 			}
 			break;
 	}
diff --git a/Universal_Serial_Adapter/UI.cpp b/Universal_Serial_Adapter/UI.cpp
index 3ac1bf7..63a9b05 100644
--- a/Universal_Serial_Adapter/UI.cpp
+++ b/Universal_Serial_Adapter/UI.cpp
@@ -29,6 +29,20 @@ UI::UI() {
 	startUI();
 }
 
+void UI::blinkOKButton() {
+	if (!config->isUIEnabled()) {
+		okButton->turnOnLed();
+		okButton->turnOffLed();
+	}
+}
+
+void UI::blinkCancelButton() {
+	if (!config->isUIEnabled()) {
+		cancelButton->turnOnLed();
+		cancelButton->turnOffLed();
+	}
+}
+
 void UI::setLCDTimeout() {
 	uiTimeout->interval(config->getTimeoutMilis());
 }
diff --git a/Universal_Serial_Adapter/UI.h b/Universal_Serial_Adapter/UI.h
index 32c87ae..bf3f640 100644
--- a/Universal_Serial_Adapter/UI.h
+++ b/Universal_Serial_Adapter/UI.h
@@ -50,6 +50,9 @@ public:
 
 	void setLCDTimeout();
 	void resetTimeout();
+
+	void blinkOKButton();
+	void blinkCancelButton();
 };
 
 #endif
diff --git a/Universal_Serial_Adapter/UILCD.cpp b/Universal_Serial_Adapter/UILCD.cpp
index f60835a..b2a1a49 100644
--- a/Universal_Serial_Adapter/UILCD.cpp
+++ b/Universal_Serial_Adapter/UILCD.cpp
@@ -610,7 +610,7 @@ void UILCD::bmpDraw(char *filename, uint8_t x, uint8_t y) {
   }
 
   bmpFile.close();
-  if(!goodBmp && DEBUG) Serial.println("BMP format not recognized.");
+  if(!goodBmp && DEBUG == 2) Serial.println("BMP format not recognized.");
 }
 
 // These read 16- and 32-bit types from the SD card file.
diff --git a/Universal_Serial_Adapter/Universal_Serial_Adapter.ino b/Universal_Serial_Adapter/Universal_Serial_Adapter.ino
index 6f7ac9b..92c2d73 100644
--- a/Universal_Serial_Adapter/Universal_Serial_Adapter.ino
+++ b/Universal_Serial_Adapter/Universal_Serial_Adapter.ino
@@ -66,22 +66,6 @@ void setup() {
 }
 
 void loop() {
-  if (DEBUG) {
-    DateTime now = rtc.now();
-    Serial.print(now.year(), DEC);
-    Serial.print('/');
-    Serial.print(now.month(), DEC);
-    Serial.print('/');
-    Serial.print(now.day(), DEC);
-    Serial.print(' ');
-    Serial.print(now.hour(), DEC);
-    Serial.print(':');
-    Serial.print(now.minute(), DEC);
-    Serial.print(':');
-    Serial.print(now.second(), DEC);
-    Serial.println();
-  }
-
   // Serial data is processed via an interrupt so isn't needed in the main loop
   ui->processInputEvents();
   ui->processTimeoutEvents();