make RBE info consistent with menu options

to close #620

function/rbe/README.md

@@ -5,8 +5,7 @@ A <a href="http://nodered.org" target="_new">Node-RED</a> node that
 provides report-by-exception (RBE) and deadband capability.
 
 The node blocks unless the incoming value changes - RBE mode, or
-changes by more than a certain amount (absolute value or percentage) - deadband
-mode.
+changes by more than a certain amount (absolute value or percentage) - bandgap modes.
 
 Install
 -------
@@ -19,7 +18,7 @@ Run the following command in your Node-RED user directory - typically `~/.node-r
 Usage
 -----
 
-A simple node to provide report by exception (RBE) and deadband function
+A simple node to provide report by exception (RBE) and bandgap functions
 - only passes on data if it has changed.
 
 This works on a per `msg.topic` basis. This means that a single rbe node can
@@ -31,12 +30,13 @@ The node doesn't send any output until the `msg.payload` is different to the pre
 Works on numbers and strings. Useful for filtering out repeated messages of the
 same value. Saves bandwidth, etc...
 
-### Deadband modes
+### Deadband and Narrowband modes
 
-In deadband mode the incoming payload should contain a parseable *number* and is
+In deadband modes the incoming payload should contain a parseable *number* and is
 output only if greater than + or - the *band gap* away from the previous output.
-It can also be set to block values more than a certain distance away from the present value.
-This can be used to remove outliers or unexpected readings.
+
+The narrowband modes will block if the incoming value change is greater than + or - the band gap
+away from the previous value. Useful for ignoring outliers from a faulty sensor for example.
 
 You can specify compare with *previous valid output value* or *previous input value*.
 The former ignores any values outside the valid range, whereas the latter allows

function/rbe/locales/en-US/rbe.html

@@ -1,6 +1,6 @@
 <script type="text/html" data-help-name="rbe">
     <p>Report by Exception node - only passes on data if the payload has changed.</p>
-    <p>It can also block until the value changes by a specified amount - deadband modes.</p>
+    <p>It can also block unless, or ignore if the value changes by a specified amount.</p>
     <h3>Inputs</h3>
     <dl class="message-properties">
         <dt>payload
@@ -22,12 +22,13 @@
         <dd>If triggered the output will be the same as the input.</dd>
     </dl>
     <h3>Details</h3>
-    <p>In RBE mode this node will block until the <code>msg.payload</code> is
-    different to the previous one. </p>
-    <p>In Deadband modes the incoming payload must contain a parseable number and is
-    output only if greater than + or - the band gap away from a previous value.</p>
+    <p>In RBE mode this node will block until the <code>msg.payload</code>,
+    (or selected property) value is different to the previous one. If required 
+    it can ignore the intial value, so as not to send anything at start.</p>
+    <p>In the Deadband modes the incoming value must contain a parseable number and will block
+    unless the change is greater than + or - the band gap away from a previous value.</p>
     <p>Deadband also supports % - only sends if the input differs by more than x% of the original value.</p>
-    <p>In Narrowband mode the incoming payload is blocked if it is more than + or - the band gap
+    <p>The Narrowband modes will block if the incoming value change is greater than + or - the band gap
     away from the previous value. Useful for ignoring outliers from a faulty sensor for example.</p>
     <p>Both Deadband and Narrowband allow comparison against either the previous valid output value, thus
     ignoring any values out of range; or the previous input value, which resets the set point, thus allowing

function/rbe/package.json

@@ -1,7 +1,7 @@
 {
     "name"          : "node-red-node-rbe",
-    "version"       : "0.2.6",
-    "description"   : "A Node-RED node that provides report-by-exception (RBE) and deadband capability.",
+    "version"       : "0.2.7",
+    "description"   : "A Node-RED node that provides report-by-exception (RBE) and deadband capabilities.",
     "dependencies"  : {
     },
     "repository" : {