Index: trunk/MagicSoft/TDAS-Extractor/Algorithms.tex
===================================================================
--- trunk/MagicSoft/TDAS-Extractor/Algorithms.tex	(revision 5753)
+++ trunk/MagicSoft/TDAS-Extractor/Algorithms.tex	(revision 5754)
@@ -137,4 +137,11 @@
 \end{description}
 
+As the pulses jitter by about one FADC slice, 
+not every pulse lies exactly within the optimal limits, especially if one takes small 
+extraction windows. 
+Moreover, the readout position with respect to the trigger position has changed a couple 
+of times during last year, therefore a very careful adjustment of the extraction limits
+is mandatory before using these extractors. 
+
 \subsubsection{Fixed Window}
 
@@ -142,4 +149,6 @@
 It simply adds the FADC contents in the assigned ranges. 
 As it does not correct for the clock-noise, only an even number of samples is allowed.
+Figure~\ref{fig:fixedwindowsketch} gives a sketch of the used extraction ranges for this 
+paper and two typical calibration pulses. 
 
 \begin{figure}[htp]
@@ -161,4 +170,6 @@
 spline interpolated FADC slice values. The edge slices are counted as half.
 As it does not correct for the clock-noise, only an odd number of samples is allowed.
+Figure~\ref{fig:fixedwindowsplinesketch} gives a sketch of the used extraction ranges for this 
+paper and two typical calibration pulses. 
 
 \begin{figure}[htp]
@@ -195,4 +206,7 @@
 \end{description}
 
+Figure~\ref{fig:fixedwindowpeaksearchsketch} gives a sketch of the possible peak-search and extraction 
+window positions in two typical calibration pulses. 
+
 \begin{figure}[htp]
   \includegraphics[width=0.49\linewidth]{MExtractFixedWindowPeakSearch_5Led_UV.eps}
@@ -204,5 +218,4 @@
 \label{fig:fixedwindowpeaksearchsketch}
 \end{figure}
-
 
 \subsection{Combined Extractors}
Index: trunk/MagicSoft/TDAS-Extractor/MExtractFixedWindowSpline_5Led_UV.eps
===================================================================
--- trunk/MagicSoft/TDAS-Extractor/MExtractFixedWindowSpline_5Led_UV.eps	(revision 5753)
+++ trunk/MagicSoft/TDAS-Extractor/MExtractFixedWindowSpline_5Led_UV.eps	(revision 5754)
@@ -3,5 +3,5 @@
 %%Title: MExtractFixedWindowSpline_5Led UV.eps: Signal example
 %%Creator: ROOT Version 3.10/02
-%%CreationDate: Sun Jan  9 13:01:54 2005
+%%CreationDate: Sun Jan  9 13:36:04 2005
 %%EndComments
 %%BeginProlog
