diff --git a/help/content.json b/help/content.json
index b515d97..e41c40e 100644
--- a/help/content.json
+++ b/help/content.json
@@ -125,7 +125,7 @@ children: [
 },{
     text:'Data Downloading',
     children:[{
-        text:'Data (TBU)', 
+        text:'Data', 
         id: 'downloadDataHelp',
         leaf:true
     },{
diff --git a/help/downloadDataHelp b/help/downloadDataHelp
index 483d1fe..bf50e17 100755
--- a/help/downloadDataHelp
+++ b/help/downloadDataHelp
@@ -1,34 +1,36 @@
-<h2><img src="js/resources/images/16x16/download_manager.png" style="margin: 0px 10px 0px 0px;"/> Get Data </h2>
+<h2><img src="js/resources/images/16x16/download_manager.png" style="margin: 0px 10px 0px 0px;"/> Get Data : DownloadData Module</h2>
+<h3>1. Download settings</h3>
 <p>To download a parameter, <b><i>drag</i></b> it from the Parameter tree and <b><i>drop</i></b> onto the 
-<b><i>Download</i></b> panel.</br></br>
-<img align="left" SRC="help/images/downloadnew.png"  style="margin: 0px 15px 0px 0px;"/>
-</p>
-<p>
-There are three main downloading options:</br>
-1. <b><i>One File Per Param/Interval</i></b></br>
+<b><i>Download</i></b> panel.</br>
+There are three main downloading options (<b><i>File Structure</i></b>) : </br>
+<img align="left" SRC="help/images/downloadnew.png"  style="margin: 10px 10px 0px 0px;"/>
+</br><b><i>1. One File Per Param/Interval</i></b></br>
 Each parameter and each time interval from time table (if you download data for intervals from a Time Table) 
 is output into separate file. <br/>
-Sampling time = original parameter sampling time. <br/>
-Note that <b><i>Sampling Time step</i></b> and <b><i>use first parameter as reference for sampling</i></b> are not available for this type of data download.</br>
-2. <b><i>All in One File</i></b></br>
-All parameters are downloaded into one file.</br>
-3. <b><i>One File Per Time interval</i></b></br>
-All parameters you select are downloaded into one file for each time interval.</br>
-In case 2 and 3 you have to define common <b><i>Sampling Time step</i></b>, you can <b><i>use first parameter as reference for sampling</i></b></br>You may give your own <b><i>Output File Prefix</i></b>.</br></br></br>
-
-You may write <b><i>header</i></b> into Data File or into a separate File.</br> 
-You may choose the File Format (<b><i>ASCII</i></b> or <b><i>VOTable</i></b>).</br>
-You may <b><i>zip</i></b> or <b><i>tar+gzip</i></b> those files.<br/></br>
-<b>Time</b> can be selected by <b>Interval</b> or by <b>Time Table</b></br>
-To select a time table, <b><i>drag</i></b> it from the Time Tables tree and <b><i>drop</i></b> onto the Time Table panel</br></br>
-<IMG SRC="help/images/timeTT.png"/></br></br>
-
-<h3> Results of Download </h3>
-After clicking on the <IMG SRC="help/images/download_button.png" align="top" /> button, if your job takes a long time the job is launched in batch</br></br>
-<IMG SRC="help/images/job.png"  width="502" height="98"/></br></br>
-0therwise you can download immediately the result (in ASCII or VOTable)</br></br>
-<IMG SRC="help/images/result.png"/></br></br>
-
-<h3> Send via SAMP </h3>
-You can send the result of your download to clients who are connected to the SAMP hub</br></br>
-<IMG SRC="help/images/SampSend.png" />
+Sampling time = original parameter sampling time.<br/>
+Note that <b><i>Sampling Time</i></b> and <b><i>Use first parameter as reference for sampling</i></b> options 
+are not available for this type of data download.</br><br/>
+<b><i>2. All in One File</i></b></br>
+All parameters are downloaded into one file.</br></br>
+<b><i>3. One File Per Time interval</i></b></br>
+All parameters you select are downloaded into one file for each time interval.</br></br>
+In case 2) and 3) you have to define common <b><i>Sampling Time</i></b>, and you may 
+<b><i>Use first parameter as reference for sampling</i></b>.
+<hr> 
+<h3>2. Time Selection</h3>
+ You may use Time Table / Catalog as <b><i>input times</i></b>. <br/> Switch  
+ time selector  to <b><i>TimeTable or Catalog</i></b> mode by clicking corresponding tab
+ and <b><i>drag-and-drop</i></b> TimeTable / Catalog from the WorkSpace Explorer Tree on the <b><i>time selection</i></b> panel.
+ <img src="help/images/timeTT.png" style="margin: 10px 0px 10px 0px;"/></br></br>
+<hr> 
+<h3>3. Results of Download </h3>
+If your downloading takes a long time it is forked into <b><i>a batch mode</i></b>. 
+You receive an info message :
+<img src="help/images/job.png" style="margin: 10px 0px 10px 0px;"/>
+<br/>
+0therwise you can immediately download your result file :
+<img src="help/images/result.png" style="margin: 10px 0px 10px 0px;"/></br></br>
+<hr>
+<h3>4. Send via SAMP </h3>
+You can send the result of your download to clients who are connected to the SAMP hub
+<IMG SRC="help/images/SampSend.png" style="margin: 10px 0px 10px 0px;"/>
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