more tweaks to controlling note range

include/controlling-midi-range.html

@@ -5,27 +5,46 @@
   mouse. 
 <p>
 
-<h2 id="add-new-notes-using-the-mouse">Using the scroomer</h2>
+  <h2 id="controlling-note-range-defaults">Setting the defaults</h2>
 
 <p>
-  The scroomer offers two kinds of control. You can "grab" it in the
-  middle and move it up or down - this adjusts the absolute note range
-  displayed up or down. Alternatively you can "grab" the top or bottom
-  handle of the scroomer, and move that up or down - this adjusts the
-  extent of the note range displayed.
+  The default note range shown in new MIDI tracks is controllable in
+  <kbd class="menu">Edit &gt; Preferences &gt; MIDI</kbd>
+  
+<figure>
+<img style="width:75%" src="/images/midi-note-range-prefs.png" alt="MIDI note range prefs">
+<figcaption>MIDI note range defaults in Preferences</figcaption>
+</figure>
+
+  
+<h2 id="controlling-note-range-using-the-mouse">Using the scroomer</h2>
+
+<p>
+  The scroomer offers two kinds of control.
+</p>
+
+<h3>Shift the note range</h3>
+  <p>
+  "Grab" the in the middle and move it up or down - this adjusts the
+  absolute note range displayed up or down.
+  </p>
+<h3>Expand or shrink the note range</h3>
+<p>
+  "Grab" the top or bottom handle of the scroomer, and move that up or
+  down - this adjusts the extent of the note range displayed.
+</p>
 
 <figure>
 <img style="width:75%" src="/images/midi-scroomer.png" alt="MIDI scroomer">
 <figcaption>MIDI scroomer</figcaption>
 </figure>
 
-<h2 id="add-new-notes-using-scroll">Using your scroll wheel</h2>
-
+<h2 id="controlling-note-range-using-scroll">Using your scroll wheel</h2>
 
 <p>
-  Several scroll operations can be used to control the visible note
+  While in internal edit mode (used for editing MIDI), several scroll operations can be used to control the visible note
   range:
-  <li>In internal edit mode, with no notes selected, unmodified
+  <li>With <em>no notes selected</em>, unmodified
     scrolling will move the visible range up and down.</li>
   <li><kbd class="mod1">scroll</kbd> will increase and decrease the
     visible range (zoom out and in)</li>

master-doc.txt

@@ -1379,7 +1379,7 @@ part: chapter
 ---
 
 ---
-title: Adding New Notes
+title: Controlling Visible Note Range
 include: controlling-midi-range.html
 link: controlling-midi-range
 uri: working-with-midi/controlling-midi-range