diff --git a/demo1.py b/demo1.py
new file mode 100755
index 0000000..2821998
--- /dev/null
+++ b/demo1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import pertelian, time
+
+display = pertelian.Display("/dev/ttyUSB1")
+
+display.clear()
+
+display.lcdprintln("BOXTEC PERTELIAN LIB boxtec pertelian lib")
+display.lcdprintln("BOXTEC PERTELIAN LIB")
+display.lcdprintln("BOXTEC PERTELIAN LIB")
+display.lcdprintln("BOXTEC PERTELIAN LIB")
+display.lcdscroll()
+
+time.sleep(3)
+
+display.clear()
+test_string = "Welcome to my X2040"
+for i in range(0,len(test_string)):
+  display.lcdcursor_set(2,i)
+  display.lcdprint(test_string[i])
+  time.sleep(0.1)
+  
+for i in range(0,5):
+  display.backlight(True)
+  time.sleep(0.3)
+  display.backlight(False)
+  time.sleep(0.25)  
\ No newline at end of file
diff --git a/pertelian.py b/pertelian.py
index 0903be1..679e07b 100755
--- a/pertelian.py
+++ b/pertelian.py
@@ -37,7 +37,7 @@
 __author__  = "boxtec (src@boxtec.ch)"
 __appname__ = "pertelian.py"
 __version__ = "1.00"
-__date__    = "2019-04-07"
+__date__    = "2019-04-17"
 __license__ = "BSD"
 """
 
@@ -69,11 +69,6 @@ class Display():
     
     self.backlight(True)
     self.enable()
-    self.lcdprintln("BOXTEC PERTELIAN LIB boxtec pertelian lib")
-    self.lcdprintln("BOXTEC PERTELIAN LIB")
-    self.lcdprintln("BOXTEC PERTELIAN LIB")
-    self.lcdprintln("BOXTEC PERTELIAN LIB")
-    self.lcdscroll()
   
   def __del__(self):
     self._sp.close()
diff --git a/pertelian.pyc b/pertelian.pyc
new file mode 100644
index 0000000..8e0f476
Binary files /dev/null and b/pertelian.pyc differ