doc: Add warning about matching battery voltage.

[fw/altos] / doc / altusmetrum.xsl

diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl
index 87220baa50cb1b9a92e91d293e74492f2011ac33..e7ab353bbd2ef171107f6f937048cc476845a657 100644 (file)
--- a/doc/altusmetrum.xsl
+++ b/doc/altusmetrum.xsl
@@ -35,6 +35,14 @@
       </para>
     </legalnotice>
     <revhistory>
+      <revision>
+       <revnumber>1.1.1</revnumber>
+       <date>16 September 2012</date>
+       <revremark>
+         Updated for software version 1.1.1 Version 1.1.1 fixes a few
+         bugs found in version 1.1.
+       </revremark>
+      </revision>
       <revision>
        <revnumber>1.1</revnumber>
        <date>13 September 2012</date>
@@ -269,6 +277,19 @@ NAR #88757, TRA #12200
       apogee and main ejection charges.  All Altus Metrum products are 
       designed for use with single-cell batteries with 3.7 volts nominal.
     </para>
+    <para>
+      The battery connectors are a standard 2-pin JST connector and
+      match batteries sold by Spark Fun. These batteries are
+      single-cell Lithium Polymer batteries that nominally provide 3.7
+      volts.  Other vendors sell similar batteries for RC aircraft
+      using mating connectors, however the polarity for those is
+      generally reversed from the batteries used by Altus Metrum
+      products. In particular, the Tenergy batteries supplied for use
+      in Featherweight flight computers are not compatible with Altus
+      Metrum flight computers or battery chargers. <emphasis>Check
+      polarity and voltage before connecting any battery not purchased
+      from Altus Metrum or Spark Fun.</emphasis>
+    </para>
     <para>
       By default, we use the unregulated output of the Li-Po battery directly
       to fire ejection charges.  This works marvelously with standard
@@ -473,7 +494,7 @@ NAR #88757, TRA #12200
       <para>
         You can monitor the operation of the radio link by watching the 
         lights on the devices. The red LED will flash each time a packet
-        is tramsitted, while the green LED will light up on TeleDongle when 
+        is transmitted, while the green LED will light up on TeleDongle when 
         it is waiting to receive a packet from the altimeter.
       </para>
     </section>
@@ -872,14 +893,16 @@ NAR #88757, TRA #12200
          be below 10m/s when under the main parachute in a dual-deploy flight.
         </para>
         <para>
-          For TeleMetrum altimeters, you can locate the rocket in the sky
-         using the elevation and
-          bearing information to figure out where to look. Elevation is
-          in degrees above the horizon. Bearing is reported in degrees
-          relative to true north. Range can help figure out how big the
-          rocket will appear. Note that all of these values are relative
-          to the pad location. If the elevation is near 90°, the rocket
-          is over the pad, not over you.
+          For TeleMetrum altimeters, you can locate the rocket in the
+          sky using the elevation and bearing information to figure
+          out where to look. Elevation is in degrees above the
+          horizon. Bearing is reported in degrees relative to true
+          north. Range can help figure out how big the rocket will
+          appear. Ground Distance shows how far it is to a point
+          directly under the rocket and can help figure out where the
+          rocket is likely to land. Note that all of these values are
+          relative to the pad location. If the elevation is near 90°,
+          the rocket is over the pad, not over you.
         </para>
         <para>
           Finally, the igniter voltages are reported in this tab as
@@ -2189,7 +2212,7 @@ NAR #88757, TRA #12200
        </listitem>
        <listitem>
          <para>
-           RF interface for battery charging, configuration, and data recovery.
+           RF interface for configuration, and data recovery.
          </para>
        </listitem>
        <listitem>
@@ -2567,6 +2590,7 @@ NAR #88757, TRA #12200
   <appendix
       xmlns:xi="http://www.w3.org/2001/XInclude">
     <title>Release Notes</title>
+    <xi:include        href="release-notes-1.1.1.xsl"  xpointer="xpointer(/article/*)"/>
     <xi:include        href="release-notes-1.1.xsl"  xpointer="xpointer(/article/*)"/>
     <xi:include        href="release-notes-1.0.1.xsl"  xpointer="xpointer(/article/*)"/>
     <xi:include        href="release-notes-0.9.2.xsl"  xpointer="xpointer(/article/*)"/>