doc: Add 1.9.18 release notes

[fw/altos] / doc / telemetrum.inc

diff --git a/doc/telemetrum.inc b/doc/telemetrum.inc
index 35aec6cc9fd0a3d99d1bb840392eecadbfb9892e..fdb961d7c061923ba84979cccce60d8694d25495 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
 
@@ -43,9 +43,9 @@
                |Terminal #|Terminal Name|Description
                |1      |Switch Output  |Switch connection to flight computer
                |2      |Switch Input   |Switch connection to positive battery terminal
-               |3      |Main +         |Main pyro channel common connection to battery +
+               |3      |Main +++       |Main pyro channel common connection to battery +++
                |4      |Main -         |Main pyro channel connection to pyro circuit
-               |5      |Apogee +       |Apogee pyro channel common connection to battery +
+               |5      |Apogee +++     |Apogee pyro channel common connection to battery +++
                |6      |Apogee -       |Apogee pyro channel connection to pyro circuit
                |===
 
@@ -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