Update README, help

README.md

@@ -34,7 +34,7 @@ and documentation.
  *  **Start** - Moves the trace to the start
  *  **End** - Moves the trace to the end
  *  **Spectrum** - Spectrum display
- *  **Settings** - **Input source** and **About** items
+ *  **Settings** - Settings display
 
 The last two or six items may be on the menu, depending on the size of
 the device.

src/main/java/org/billthefarmer/scope/Scope.java

@@ -145,9 +145,8 @@ protected void onDraw(Canvas canvas)
             xstop = (int) audio.length;
 
         // Calculate y scale
-
-        if (max < 1024)
-            max = 1024;
+        if (max < 2048)
+            max = 2048;
 
         yscale = (float) (max / (height / 2.0));
 

src/main/java/org/billthefarmer/scope/Spectrum.java

@@ -131,8 +131,8 @@ protected void onDraw(Canvas canvas)
         canvas.drawBitmap(graticule, 0, 0, null);
 
         // Check max value
-        if (max < 0.5f)
-            max = 0.5f;
+        if (max < 1.0f)
+            max = 1.0f;
 
         // Calculate the scaling
         float yscale = (height / max);

src/main/res/raw/help.html

@@ -23,7 +23,7 @@ <h2>Using</h2>
 &nbsp; &#8226;&nbsp; <b>Start</b> - Moves the trace to the start<br>
 &nbsp; &#8226;&nbsp; <b>End</b> - Moves the trace to the end<br>
 &nbsp; &#8226;&nbsp; <b>Spectrum</b> - Spectrum display<br>
-&nbsp; &#8226;&nbsp; <b>Settings</b> - <b>Input source</b>, <b>Screen</b> and <b>About</b> items<br>
+&nbsp; &#8226;&nbsp; <b>Settings</b> - Settings display<br>
 
 <p>The last two or six items may be on the menu, depending on the size of
 the device.</p>