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
 
                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
 
                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
 
                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
 
                The other lead from each pyro charge is then inserted into
                the appropriate per-pyro channel screw terminal (terminal 3 for the