diff --git a/peaktech.py b/peaktech.py
index 92986ba..e066db4 100644
--- a/peaktech.py
+++ b/peaktech.py
@@ -5,7 +5,14 @@ import binascii
 
 def crap_to_number(crap):
     number_str = ""
+
+    if(crap[0]&0x10):
+        number_str+="-"
+        crap[0] &= 0xEF
+
     for elem in crap:
+        if(elem & 0x10 != 0):
+            number_str+="."
         switch={
                 0xcf:"9",
                 0xef:"8",
@@ -16,9 +23,11 @@ def crap_to_number(crap):
                 0x8f:"3",
                 0xad:"2",
                 0x0a:"1",
-                0xeb:"0"
+                0xeb:"0",
+                0x61:"L",
+                0x00:" "
                 }
-        number_str+=switch.get(elem, "-")
+        number_str+=switch.get(elem&0xEF, "-")
     return number_str