diff --git a/FHEM/09_CUL_FHTTK.pm b/FHEM/09_CUL_FHTTK.pm
index c54b8a023..1c8c6ca45 100644
--- a/FHEM/09_CUL_FHTTK.pm
+++ b/FHEM/09_CUL_FHTTK.pm
@@ -100,7 +100,7 @@ my %fhttfk_c2b;	# command->button hash
 my %canset = (
   "01" => "Open",
   "02" => "Closed",
-  "0c" => "Syncing",
+  "0c" => "Pair",
   "ff" => "ReSync");
 
 # -wusel, 2009-11-06
@@ -178,8 +178,8 @@ CUL_FHTTK_Set($@)
     
     IOWrite($hash, "", sprintf("T%s02", $hash->{CODE})); # 0x02 - closed or 0x82
 
-  } elsif($opt eq "Syncing" ) {
-    Log3 $name, 3, "CUL_FHTTK ($name) syncing with FHT80b.";
+  } elsif($opt eq "Pair" ) {
+    Log3 $name, 3, "CUL_FHTTK ($name) pairing with FHT80b.";
 
     IOWrite($hash, "", sprintf("T%s0c", $hash->{CODE})); # 0x0c - sync
     # window state switch to closed through cul FW implementation
@@ -189,9 +189,11 @@ CUL_FHTTK_Set($@)
     Log3 $name, 3, "CUL_FHTTK ($name) resyncing with FHT80b.";
 
     IOWrite($hash, "", sprintf("T%s%s", $hash->{CODE}, $fhttfk_c2b{$opt})); # 0xff - ReSync
+    # window state switch to closed through cul FW implementation
+    $opt = "Closed";
     
   } else {
-    return "Unknown argument $a[1], choose one of Syncing Open Closed"
+    return "Unknown argument $a[1], choose one of Pair ReSync Open Closed"
   }
   
   # update new state 
@@ -316,9 +318,9 @@ CUL_FHTTK_Parse($$)
   }
   # Flag the battery warning separately
   if($state eq "11" || $state eq "12") {
-	  readingsBulkUpdate($def, "Battery", "Low");
+    readingsBulkUpdate($def, "Battery", "Low");
   } else {
-      readingsBulkUpdate($def, "Battery", "ok");
+    readingsBulkUpdate($def, "Battery", "ok");
   }
   #CHANGED
   readingsBulkUpdate($def, "state", $val);
@@ -386,11 +388,12 @@ CUL_FHTTK_Parse($$)
     <br><br>
     where <code>value</code> is one of:<br>
     <ul><code>
-      Syncing     # start the sync with FHT80B (activate FHT80B sync mode before) - state after syncing is Closed<br>
-      Closed      # set window state to Closed<br>
-      Open        # set window state to Open<br>
-      ReSync      # resync virtual sensor with FHT80b after a reset of CUL device. In other words, perform a virtual
-                    battery exchange to synchronize the sensor with FHT80b device again.<br>
+      Pair     # start pairing with FHT80B (activate FHT80B sync mode before) - state after pairing is Closed<br>
+      Closed   # set window state to Closed<br>
+      Open     # set window state to Open<br>
+      ReSync   # resync virtual sensor with FHT80b after a reset of CUL device. In other words, perform a virtual
+                 battery exchange to synchronize the sensor with FHT80b device again. (at the moment, only 
+                 available with prototype cul_fw - see forum 55774)<br>
     </code></ul>
     </ul>
     <br>
@@ -461,17 +464,17 @@ CUL_FHTTK_Parse($$)
     <br><br>
     wobei <code>value</code> folgendes sein kann:<br>
     <ul><code>
-      Syncing     # startet die Synchronisation mit dem FHT80B (FHT80B muss sich im Sync mode befinden) - danach wird der state auf "Closed" gesetzt<br>
-      Closed      # setzt den Fensterstatus zu Closed<br>
-      Open        # setzt den Fensterstatus zu Open<br>
-      ReSync      # neu synchronisieren des virtuellen Sensor mit dem FHT80b Module. Damit wird ein virtueller Batteriewechsel symuliert und der angelernte
-                    Sensor wieder aufsynchronisiert.<br>
+      Pair     # startet das Anlernen an das FHT80B (FHT80B muss sich im Sync mode befinden) - danach wird der state auf "Closed" gesetzt<br>
+      Closed   # setzt den Fensterstatus zu Closed<br>
+      Open     # setzt den Fensterstatus zu Open<br>
+      ReSync   # neu synchronisieren des virtuellen Sensor mit dem FHT80b Module. Damit wird ein virtueller Batteriewechsel symuliert und der angelernte
+                 Sensor wieder aufsynchronisiert. (aktuell nur mit Prototyp CUL FW verfügbar Forum 55774)<br>
     </code></ul>
     </ul>
     <br>
 
   <b>Get</b>
-	<ul> N/A </ul>
+  <ul> N/A </ul>
   <br>
 
   <a name="CUL_FHTTKattr"></a>
@@ -484,7 +487,7 @@ CUL_FHTTK_Parse($$)
     <li><a href="#IODev">IODev</a></li><br>
     <li><a href="#ignore">ignore</a></li><br>
     <li><a href="#eventMap">eventMap</a></li><br>
-	<li><a href="#readingFnAttributes">readingFnAttributes</a></li>
+    <li><a href="#readingFnAttributes">readingFnAttributes</a></li>
   </ul>
   <br>