update info on using separate pyro batteries to encourage including a switch

[fw/altos] / doc / telemini.inc

diff --git a/doc/telemini.inc b/doc/telemini.inc
index b7b26a8a261999726fa8c976bd9f4a1b05fc2a87..03732b2af2ac4ee03d7dfed70845d42aeabc6b47 100644 (file)
--- a/doc/telemini.inc
+++ b/doc/telemini.inc
@@ -62,11 +62,11 @@
 
                As described above, using an external pyro battery involves
                connecting the negative battery terminal to the flight
-               computer ground, connecting the positive battery terminal to
-               one of the igniter leads and connecting the other igniter
-               lead to the per-channel pyro circuit connection. Because
-               there is no solid ground connection to use on TeleMini, this
-               is not recommended.
+               computer ground, connecting the switched positive battery 
+               terminal to one of the igniter leads and connecting the other 
+               igniter lead to the per-channel pyro circuit connection. 
+               Because there is no solid ground connection to use on 
+               TeleMini, this is not recommended.
 
                The only available ground connection on TeleMini v3 are
                the two mounting holes next to the telemetry
@@ -75,7 +75,9 @@
 
                Connecting the positive battery terminal to the pyro
                charges must be done separate from TeleMini v3, by soldering
-               them together or using some other connector.
+               them together or using some other connector.  Note that you 
+               must include a switch in the pyro battery positive lead for
+               safety!
 
                The other lead from each pyro charge is then inserted into
                the appropriate per-pyro channel screw terminal (terminal 3 for the