doc: Describe packet command mode a bit better.

Include comments about TeleMini in the introduction, and then explain
a bit better what the best method of reliably initiating packet
command mode are (start operation, then boot telemini).

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl
index af892e0ffe2fc12af2425778812528f2f0bf2041..231371c792c4cc593cca1b40fb8fd54bd8f3dc2d 100644 (file)
--- a/doc/altusmetrum.xsl
+++ b/doc/altusmetrum.xsl
@@ -1106,12 +1106,13 @@ NAR #88757, TRA #12200
         afar, as if it were directly connected to the computer.
       </para>
       <para>
-        Any operation which can be performed with TeleMetrum
-        can either be done with TeleMetrum directly connected to
-        the computer via the USB cable, or through the packet
-        link. Simply select the appropriate TeleDongle device when
-        the list of devices is presented and AltosUI will use packet
-        command mode.
+        Any operation which can be performed with TeleMetrum can
+        either be done with TeleMetrum directly connected to the
+        computer via the USB cable, or through the packet
+        link. TeleMini doesn't provide a USB connector and so it can
+        only be controlled through the packet link.  Select the
+        appropriate TeleDongle device when the list of devices is
+        presented and AltosUI will use packet command mode.
       </para>
       <para>
        One oddity in the current interface is how AltosUI selects the
@@ -1170,7 +1171,12 @@ NAR #88757, TRA #12200
        TeleMini listens for a command packet for five seconds after
        first being turned on, if it doesn't hear anything, it enters
        'pad' mode, ready for flight and will no longer listen for
-       command packets.
+       command packets. The easiest way to connect to TeleMini is to
+       initiate the command and select the TeleDongle device. At this
+       point, the TeleDongle will be attempting to communicate with
+       the TeleMini. Now turn TeleMini on, and it should immediately
+       start communicating with the TeleDongle and the desired
+       operation can be performed.
       </para>
       <para>
         When packet command mode is enabled, you can monitor the link