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authorKeith Packard <keithp@keithp.com>2013-03-01 20:45:43 -0800
committerKeith Packard <keithp@keithp.com>2013-03-01 20:45:43 -0800
commitc9cba68049f957d69a88150470c086dd6f4a42c0 (patch)
treed051c6f4c290d55dbb02092777b82ab954d732ba
parent113b1146f6ac0ecd423f3fb409e02730604b8aca (diff)
doc: Document how to get TeleMini to 'emergency recovery' mode
TeleMini needs emergency recovery mode in case you forget the radio parameters and need to get things back to a known state. Add documentation to describe what this does and how to get it enabled. Signed-off-by: Keith Packard <keithp@keithp.com>
-rw-r--r--doc/altusmetrum.xsl30
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diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl
index 9fdd6b07..e696da79 100644
--- a/doc/altusmetrum.xsl
+++ b/doc/altusmetrum.xsl
@@ -386,6 +386,36 @@ NAR #88757, TRA #12200
tower with a screw-driver trying to turn on your avionics before
installing igniters!
</para>
+ <para>
+ TeleMini is configured via the radio link. Of course, that
+ means you need to know the TeleMini radio configuration values
+ or you won't be able to communicate with it. For situations
+ when you don't have the radio configuration values, TeleMini
+ offers an 'emergency recovery' mode. In this mode, TeleMini is
+ configured as follows:
+ <itemizedlist>
+ <listitem>
+ Sets the radio frequency to 434.550MHz
+ </listitem>
+ <listitem>
+ Sets the radio calibration back to the factory value.
+ </listitem>
+ <listitem>
+ Sets the callsign to N0CALL
+ </listitem>
+ <listitem>
+ Does not go to 'pad' mode after five seconds.
+ </listitem>
+ </itemizedlist>
+ </para>
+ <para>
+ To get into 'emergency recovery' mode, first find the row of
+ four small holes opposite the switch wiring. Using a short
+ piece of small gauge wire, connect the outer two holes
+ together, then power TeleMini up. Once the red LED is lit,
+ disconnect the wire and the board should signal that it's in
+ 'idle' mode after the initial five second startup period.
+ </para>
</section>
<section>
<title>GPS </title>