diff --git a/cdoseaplay/config.py b/cdoseaplay/config.py
index d057978..04fe497 100644
--- a/cdoseaplay/config.py
+++ b/cdoseaplay/config.py
@@ -14,6 +14,8 @@ font_size = 28
 
 letter_offset = False
 lights_brightness = 255
+led_lights = 24
+letter_base_light = 25
 
 conf = os.path.expanduser('~/.config/cdosea.json')
 if os.path.exists(conf):
diff --git a/cdoseaplay/lights.py b/cdoseaplay/lights.py
index 0a18981..60c33c7 100755
--- a/cdoseaplay/lights.py
+++ b/cdoseaplay/lights.py
@@ -55,7 +55,7 @@ CURRENT_STATE = [0] * 16
 
 
 # avoid overload and turn light on with a fade
-def fade_to(sender, start, end, duration, channels=16, universe=1):
+def fade_to(sender, start, end, duration, channels=16, universe=1, lights=[]):
     distance = end - start
     steps = int(duration * 10)
     if not steps:
@@ -79,33 +79,45 @@ def fade_to(sender, start, end, duration, channels=16, universe=1):
             else:
                 a = old
                 b = target
-            sender[universe].dmx_data = [a[x] if x % 2 else b[x] for x in range(channels)]
+            channel_data = [a[x] if x % 2 else b[x] for x in range(channels)]
+            sender[universe].dmx_data = channel_data + lights[channels:]
         time.sleep(step)
         steps -= 1
+    channel_data = [end] * channels
+    sender[universe].dmx_data = channel_data + lights[channels:]
+
+def dmx_base(letter):
+    lights = [0] * 512
+    letter_offset = 101 - 1
+    for offset in range(letter_offset, letter_offset+27):
+        lights[offset] = config.letter_base_light
+    if letter:
+        lights[letter_offset + string.ascii_lowercase.index(letter.lower())] = 255
+        lights[letter_offset + 26] = 255
+    return lights
 
 
-def flash(flashes):
+def flash(sender, universe, flashes, letter):
     step = 0.2
     flash_duration = 0.02
     base = 0
     brightness = config.lights_brightness
-    universe = 1
-    channels = 16
+    channels = config.led_lights
 
-    sender = sacn.sACNsender()
-    sender.start()
-    sender.activate_output(universe)
-    sender[universe].multicast = True
     sender[universe].dmx_data = [0] * channels
     while flashes:
-        fade_to(sender, base, brightness, flash_duration, channels, universe)
+        lights = dmx_base(letter)
+        fade_to(sender, base, brightness, flash_duration, channels, universe, lights)
         time.sleep(step)
-        sender[1].dmx_data = [0] * channels
+        lights = dmx_base(None)
+        channel_data = [0] * channels
+        sender[universe].dmx_data = channel_data + lights[channels:]
         time.sleep(step)
         flashes -= 1
-    sender[universe].dmx_data = [0] * channels
+    lights = dmx_base(None)
+    channel_data = [0] * channels
+    sender[universe].dmx_data = channel_data + lights[channels:]
     time.sleep(step)
-    sender.stop()
 
 
 def switch(state, seq):
@@ -128,7 +140,14 @@ if __name__ == '__main__':
     letter_offset = 0
     letter = path.split('/')[-1][0].lower()
     if config.letter_offset:
-        letter_offset = 11 + string.ascii_lowercase.index(letter) * 10
+        if config.lanbox:
+            letter_offset = 11 + string.ascii_lowercase.index(letter) * 10
+    if not config.lanbox:
+        universe = 1
+        sender = sacn.sACNsender()
+        sender.start()
+        sender.activate_output(universe)
+        sender[universe].multicast = True
     while pos < duration - 15:
         sleep = seq() + 15
         light = seq()
@@ -140,5 +159,7 @@ if __name__ == '__main__':
         if config.lanbox:
             switch(light + letter_offset, seq)
         else:
-            flash(light + 1)
+            flash(sender, universe, light + 1, letter)
         pos += sleep
+    if not config.lanbox:
+        sender.stop()