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

[fw/altos] / doc / telemetrum.inc

diff --git a/doc/telemetrum.inc b/doc/telemetrum.inc
index 35aec6cc9fd0a3d99d1bb840392eecadbfb9892e..7ef9876f6439eeff0dc91b5d011df7a2d1a9fa31 100644 (file)
--- a/doc/telemetrum.inc
+++ b/doc/telemetrum.inc
@@ -18,7 +18,7 @@
        bay for TeleMetrum should have at least 10 inches of interior length.
 
        There are two generations of the TeleMetrum design. The
-       major changes in the v2 generation are:
+       major changes after v1 generation are:
 
        * uBlox GPS chip certified for altitude records
 
@@ -62,14 +62,15 @@
                stranded, into the GND hole just above the screw terminal
                strip and solder it in place.
 
-               Connecting the positive battery terminal to the pyro
+               Connecting the switched positive battery terminal to the pyro
                charges must be done separate from TeleMetrum, 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 positive lead from the pyro 
+               battery for safety!
 
                The other lead from each pyro charge is then inserted into
-               the appropriate per-pyro channel screw terminal (terminal 4 for the
-               Main charge, terminal 6 for the Apogee charge).
+               the appropriate per-pyro channel screw terminal (terminal 4 
+               for the Main charge, terminal 6 for the Apogee charge).
 
        === Using an Active Switch with TeleMetrum