altos/test: Adjust CRC error rate after FEC fix

[fw/altos] / doc / telemetrum.inc

diff --git a/doc/telemetrum.inc b/doc/telemetrum.inc
index 9562d99459b9e6794906dd25038660e3ac321bf3..fdb961d7c061923ba84979cccce60d8694d25495 100644 (file)
--- a/doc/telemetrum.inc
+++ b/doc/telemetrum.inc
@@ -1,6 +1,10 @@
 == TeleMetrum
 
-       image::telemetrum-v1.1-thside.jpg[width="5.5in"]
+       .TeleMetrum v2 Board
+       image::telemetrum-v2.0-th.jpg[width=400]
+
+       .TeleMetrum v1 Board
+       image::telemetrum-v1.1-thside.jpg[width=400]
 
        TeleMetrum is a 1 inch by 2¾ inch circuit board.  It was designed to
        fit inside coupler for 29mm air-frame tubing, but using it in a tube that
@@ -13,6 +17,18 @@
        fin can end of the board, meaning an ideal “simple” avionics
        bay for TeleMetrum should have at least 10 inches of interior length.
 
+       There are two generations of the TeleMetrum design. The
+       major changes after v1 generation are:
+
+       * uBlox GPS chip certified for altitude records
+
+       * Higher power radio (40mW vs 10mW)
+
+       * APRS support
+
+       Otherwise, they're the same size, with mounting holes and
+       screw terminals in the same position.
+
        === TeleMetrum Screw Terminals
 
                TeleMetrum has six screw terminals on the end of the board
@@ -21,16 +37,17 @@
                circuits. Using the picture above and starting from the top,
                the terminals are as follows:
 
+               .TeleMetrum Screw Terminals
                [options="header",grid="all",cols="2,3,10"]
-               |=========================
+               |===
                |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
-               |========================
+               |===
 
        === Using a Separate Pyro Battery with TeleMetrum
 
@@ -45,14 +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