Index: trunk/doc/modules/ModulesSDRS.tex
===================================================================
--- trunk/doc/modules/ModulesSDRS.tex	(revision 2241)
+++ trunk/doc/modules/ModulesSDRS.tex	(revision 2335)
@@ -1,3 +1,3 @@
-%%% $Id: ModulesSDRS.tex,v 1.20 2004-10-29 22:00:51 eugene Exp $
+%%% $Id: ModulesSDRS.tex,v 1.21 2004-11-11 04:01:43 price Exp $
 \documentclass[panstarrs]{panstarrs}
 
@@ -438,19 +438,13 @@
 If the \code{zero} vector is non-\code{NULL} and \code{applyZeroScale}
 is \code{true}, then the appropriate values shall be added to the
-\code{inputs} before combining.  In the event that the type of the
-\code{psVector} is more precise than that of any of the \code{inputs},
-the module shall generate a warning and truncate the sum to the
-precision of the image.  If \code{zero} is non-\code{NULL} and
-\code{applyZeroScale} is false, then the values shall only be used in
-calculating the noise.
+\code{inputs} before rejection is performed.  If \code{zero} is
+non-\code{NULL} and \code{applyZeroScale} is false, then the values
+shall only be used in calculating the noise.
 
 If the \code{scale} vector is non-\code{NULL} and
 \code{applyZeroScale} is \code{true}, then the appropriate values
-shall multiply the \code{inputs} before combining.  In the event that
-the type of the \code{psVector} is more precise than that of any of
-the \code{inputs}, the module shall generate a warning and truncate
-the multiplication to the precision of the image.  If \code{scale} is
-non-\code{NULL} and \code{applyZeroScale} is false, then the values
-shall only be used in calculating the noise.
+shall multiply the \code{inputs} before rejection is performed.  If
+\code{scale} is non-\code{NULL} and \code{applyZeroScale} is false,
+then the values shall only be used in calculating the noise.
 
 The purpose of \code{applyZeroScale} is to allow combination of fringe
@@ -463,5 +457,9 @@
 If the \code{gain} and \code{readnoise} are positive and non-negative
 (respectively), then these shall be used to provide weights for the
-combination.
+combination using Poisson statistics.
+
+The \code{inputs, zero} and \code{scale} may be of S16, S32 and F32
+types, and must all be of the same type.  The \code{output} shall be
+of the same type.
 
 \section{Camera Configutation Information}