diff --git a/README.md b/README.md
index f509275..24f4675 100755
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# NMEA Monitor 1
-A small portable NMEA0183 comunications monitor.
+# NMEA Simulator 1
+A small portable NMEA0183 comunications simulator.
diff --git a/firmware/v01/v01.ino b/firmware/v01/v01.ino
index 113efc1..39f3c72 100644
--- a/firmware/v01/v01.ino
+++ b/firmware/v01/v01.ino
@@ -1,7 +1,7 @@
 /*********************************************************************
 
 							NMM-1
-NMEA0183 serial monitor.
+NMEA0183 serial simulator.
 
 By Jony Silva
 Wed 24 Jan 23:11:25 GMT 2018
@@ -13,7 +13,6 @@ Wed 24 Jan 23:11:25 GMT 2018
 #include <SoftwareSerial.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
-//#include <Adafruit_GPS.h>
 
 #define OLED_RESET 8
 Adafruit_SSD1306 display(OLED_RESET);
@@ -69,7 +68,7 @@ int read_s = 0;
 
 void setup() {    // BEGIN SETUP ------------------------------------      
 
-  // Configure buttons and led's has inputs or outputs
+
   pinMode(led1, OUTPUT);    // Led 1 is an output
   pinMode(led2, OUTPUT);    // Led 2 is an output
   pinMode(UP, INPUT);      // Switch 1 is an input
@@ -192,19 +191,6 @@ void loop() {
 
 	batt_val = analogRead(batt);
 	
-// Routine to check the battery analog value for calibration
-/*	display.drawRect(0, 8, 168, 24, BLACK);
-	display.display();
-	display.clearDisplay();
-	display.setTextSize(1);
-	display.setTextColor(WHITE);
-	display.setCursor(50,18);
-	display.println(batt_val);
-	batt_icon();
-	display.display();*/
-
-
-  
   if (menuState == 1) {
     one();
 	mySerial.end();
@@ -224,13 +210,30 @@ void loop() {
 	if (read_s == 0) {
 		mySerial.begin(4800);
 		read_s = 1;
+		display.clearDisplay();
+		display.setTextSize(1);
+		display.setTextColor(WHITE);
+		display.setCursor(1,17);
+		display.println("RS-422 to USB");
+		display.println("Sending...");
+		batt_icon();
+		display.display();
 	}
     read_serial();
   }
   else if (menuState == 11) {
-    write_serial();
-	mySerial.end();
-	read_s = 0;
+	if (read_s == 0) {
+		mySerial.begin(4800);
+		read_s = 1;
+		display.clearDisplay();
+		display.setTextSize(1);
+		display.setTextColor(WHITE);
+		display.setCursor(1,17);
+		display.println("Sending GPS.....");
+		batt_icon();
+		display.display();
+	}
+	write_serial();
   }
   else if (menuState == 12) {
     config_nmm();
@@ -307,14 +310,13 @@ void one (void) {
 	display.setTextSize(1);
 	display.setTextColor(WHITE);
 	display.setCursor(1,12);
-	display.println("Receive NMEA0183  <--");
+	display.println("RS422 ==> USB     <--");
 	display.setCursor(1,22);
 	display.println("Send NMEA0183");
 	display.setCursor(1,32);
 	display.println("Config NMEA0183");
 	batt_icon();
 	display.display();
-
 }
 
 void two (void) {
@@ -323,14 +325,13 @@ void two (void) {
 	display.setTextSize(1);
 	display.setTextColor(WHITE);
 	display.setCursor(1,12);
-	display.println("Receive NMEA0183");
+	display.println("RS422 ==> USB");
 	display.setCursor(1,22);
 	display.println("Send NMEA0183     <--");
 	display.setCursor(1,32);
 	display.println("Config NMEA0183");
 	batt_icon();
 	display.display();
-
 }
 
 void three (void) {
@@ -339,50 +340,26 @@ void three (void) {
 	display.setTextSize(1);
 	display.setTextColor(WHITE);
 	display.setCursor(1,12);
-	display.println("Receive NMEA0183");
+	display.println("RS422 ==> USB");
 	display.setCursor(1,22);
 	display.println("Send NMEA0183");
 	display.setCursor(1,32);
 	display.println("Config NMEA0183   <--");
 	batt_icon();
 	display.display();
-
 }
 
 void read_serial (void) {
 
-//	display.setTextWrap(false);
-
-	
-
-
-
-	
-  if (mySerial.available()) {
-    Serial.write(mySerial.read());
-  }
-
-	
-
-
-
-
-
+	if (mySerial.available()) {
+		Serial.write(mySerial.read());
+	}
 }
 
 void write_serial (void) {
 
-	display.clearDisplay();
-	display.setTextSize(1);
-	display.setTextColor(WHITE);
-	display.setCursor(1,17);
-	display.println("Sending GPS.....");
-	batt_icon();
-	display.display();
-//	mySerial.print("$GPGGA,090000.10,6350.37829338,N,02225.18272240,W,1,05,2.87,160.00,M,-21.3213,M,,*64");
-//	mySerial.println();
-	delay(1000);
-
+	mySerial.print("$GPGGA,090000.10,6350.37829338,N,02225.18272240,W,1,05,2.87,160.00,M,-21.3213,M,,*64");
+	mySerial.println();
 }
 
 void config_nmm (void) {
@@ -394,5 +371,4 @@ void config_nmm (void) {
   display.println("BLOCKED");
   batt_icon();
   display.display();
-
 }